/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 16:37:54,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:37:54,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:37:54,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 16:37:54,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 16:37:54,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 16:37:54,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 16:37:54,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 16:37:54,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 16:37:54,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 16:37:54,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 16:37:54,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 16:37:54,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:37:54,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:37:54,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:37:54,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:37:54,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:37:54,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:37:54,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:37:54,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:37:54,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:37:54,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:37:54,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:37:54,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:37:54,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 16:37:54,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:37:54,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:37:54,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:37:54,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 16:37:54,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:37:54,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:37:54,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:37:54,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:37:54,261 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:37:54,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:37:54,261 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:37:54,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:37:54,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:37:54,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:37:54,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:37:54,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:37:54,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:37:54,264 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:37:54,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:37:54,264 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:37:54,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:37:54,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:37:54,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:37:54,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:37:54,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:37:54,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:37:54,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:37:54,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:37:54,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:37:54,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:37:54,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:54,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:37:54,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:37:54,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 16:37:54,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:37:54,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:37:54,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:37:54,590 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:37:54,590 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:37:54,591 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-07-21 16:37:54,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31eed2fc1/1f0574a894f94431ab06aa4c7b7a3ee1/FLAG925509edf [2020-07-21 16:37:55,265 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:37:55,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-07-21 16:37:55,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31eed2fc1/1f0574a894f94431ab06aa4c7b7a3ee1/FLAG925509edf [2020-07-21 16:37:55,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31eed2fc1/1f0574a894f94431ab06aa4c7b7a3ee1 [2020-07-21 16:37:55,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:37:55,477 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:37:55,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:37:55,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:37:55,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:37:55,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:37:55" (1/1) ... [2020-07-21 16:37:55,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bcc2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55, skipping insertion in model container [2020-07-21 16:37:55,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:37:55" (1/1) ... [2020-07-21 16:37:55,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:37:55,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:37:56,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:37:56,103 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:37:56,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:37:56,491 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:37:56,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:56 WrapperNode [2020-07-21 16:37:56,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:37:56,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:37:56,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:37:56,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:37:56,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:56" (1/1) ... [2020-07-21 16:37:56,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:56" (1/1) ... [2020-07-21 16:37:56,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:56" (1/1) ... [2020-07-21 16:37:56,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:56" (1/1) ... [2020-07-21 16:37:56,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:56" (1/1) ... [2020-07-21 16:37:56,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:56" (1/1) ... [2020-07-21 16:37:56,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:56" (1/1) ... [2020-07-21 16:37:56,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:37:56,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:37:56,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:37:56,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:37:56,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:37:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:37:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:37:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 16:37:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:37:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 16:37:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:37:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 16:37:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 16:37:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:37:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:37:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:37:58,483 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:37:58,483 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 16:37:58,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:37:58 BoogieIcfgContainer [2020-07-21 16:37:58,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:37:58,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:37:58,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:37:58,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:37:58,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:37:55" (1/3) ... [2020-07-21 16:37:58,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1232710f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:37:58, skipping insertion in model container [2020-07-21 16:37:58,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:56" (2/3) ... [2020-07-21 16:37:58,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1232710f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:37:58, skipping insertion in model container [2020-07-21 16:37:58,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:37:58" (3/3) ... [2020-07-21 16:37:58,501 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-07-21 16:37:58,512 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:37:58,522 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:37:58,540 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:37:58,570 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:37:58,570 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:37:58,570 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:37:58,571 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:37:58,571 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:37:58,571 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:37:58,571 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:37:58,571 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:37:58,599 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-21 16:37:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-21 16:37:58,609 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:58,610 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] [2020-07-21 16:37:58,610 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:58,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:58,617 INFO L82 PathProgramCache]: Analyzing trace with hash 2061919546, now seen corresponding path program 1 times [2020-07-21 16:37:58,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:58,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235066347] [2020-07-21 16:37:58,627 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:58,753 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:58,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:58,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:37:58,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:58,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:37:58,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235066347] [2020-07-21 16:37:58,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:37:58,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:37:58,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886657635] [2020-07-21 16:37:58,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:37:58,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:58,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:37:58,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:58,877 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-07-21 16:38:00,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:00,288 INFO L93 Difference]: Finished difference Result 704 states and 1239 transitions. [2020-07-21 16:38:00,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:00,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-07-21 16:38:00,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:00,330 INFO L225 Difference]: With dead ends: 704 [2020-07-21 16:38:00,331 INFO L226 Difference]: Without dead ends: 372 [2020-07-21 16:38:00,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:00,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-07-21 16:38:00,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2020-07-21 16:38:00,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-21 16:38:00,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 524 transitions. [2020-07-21 16:38:00,420 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 524 transitions. Word has length 49 [2020-07-21 16:38:00,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:00,421 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 524 transitions. [2020-07-21 16:38:00,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 524 transitions. [2020-07-21 16:38:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-21 16:38:00,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:00,428 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:38:00,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:00,635 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:00,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:00,636 INFO L82 PathProgramCache]: Analyzing trace with hash 783093133, now seen corresponding path program 1 times [2020-07-21 16:38:00,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:00,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431616356] [2020-07-21 16:38:00,638 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:00,730 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:00,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:00,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:38:00,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:38:00,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:00,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431616356] [2020-07-21 16:38:00,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:00,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:38:00,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796972359] [2020-07-21 16:38:00,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:38:00,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:00,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:38:00,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:00,814 INFO L87 Difference]: Start difference. First operand 372 states and 524 transitions. Second operand 3 states. [2020-07-21 16:38:01,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:01,859 INFO L93 Difference]: Finished difference Result 1102 states and 1568 transitions. [2020-07-21 16:38:01,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:01,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-07-21 16:38:01,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:01,872 INFO L225 Difference]: With dead ends: 1102 [2020-07-21 16:38:01,872 INFO L226 Difference]: Without dead ends: 736 [2020-07-21 16:38:01,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:01,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-07-21 16:38:01,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 736. [2020-07-21 16:38:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 736 states. [2020-07-21 16:38:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 968 transitions. [2020-07-21 16:38:01,970 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 968 transitions. Word has length 132 [2020-07-21 16:38:01,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:01,975 INFO L479 AbstractCegarLoop]: Abstraction has 736 states and 968 transitions. [2020-07-21 16:38:01,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:01,975 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 968 transitions. [2020-07-21 16:38:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 16:38:01,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:01,986 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:38:02,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:02,187 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:02,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:02,188 INFO L82 PathProgramCache]: Analyzing trace with hash -172169371, now seen corresponding path program 1 times [2020-07-21 16:38:02,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:02,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883274994] [2020-07-21 16:38:02,190 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:02,280 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:02,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:02,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:38:02,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:38:02,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:02,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883274994] [2020-07-21 16:38:02,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:02,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:38:02,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247858710] [2020-07-21 16:38:02,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:38:02,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:02,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:38:02,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:02,327 INFO L87 Difference]: Start difference. First operand 736 states and 968 transitions. Second operand 3 states. [2020-07-21 16:38:03,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:03,277 INFO L93 Difference]: Finished difference Result 1830 states and 2467 transitions. [2020-07-21 16:38:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:03,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-07-21 16:38:03,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:03,295 INFO L225 Difference]: With dead ends: 1830 [2020-07-21 16:38:03,295 INFO L226 Difference]: Without dead ends: 1100 [2020-07-21 16:38:03,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:03,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2020-07-21 16:38:03,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1100. [2020-07-21 16:38:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2020-07-21 16:38:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1414 transitions. [2020-07-21 16:38:03,362 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1414 transitions. Word has length 144 [2020-07-21 16:38:03,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:03,362 INFO L479 AbstractCegarLoop]: Abstraction has 1100 states and 1414 transitions. [2020-07-21 16:38:03,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1414 transitions. [2020-07-21 16:38:03,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-21 16:38:03,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:03,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:38:03,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:03,572 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:03,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:03,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1340716769, now seen corresponding path program 1 times [2020-07-21 16:38:03,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:03,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663405807] [2020-07-21 16:38:03,574 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:03,670 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:03,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:03,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:38:03,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:38:03,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:03,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663405807] [2020-07-21 16:38:03,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:03,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:38:03,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533754762] [2020-07-21 16:38:03,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:38:03,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:03,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:38:03,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:03,710 INFO L87 Difference]: Start difference. First operand 1100 states and 1414 transitions. Second operand 3 states. [2020-07-21 16:38:04,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:04,658 INFO L93 Difference]: Finished difference Result 1830 states and 2428 transitions. [2020-07-21 16:38:04,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:04,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-07-21 16:38:04,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:04,681 INFO L225 Difference]: With dead ends: 1830 [2020-07-21 16:38:04,681 INFO L226 Difference]: Without dead ends: 1828 [2020-07-21 16:38:04,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:04,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2020-07-21 16:38:04,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1646. [2020-07-21 16:38:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2020-07-21 16:38:04,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2181 transitions. [2020-07-21 16:38:04,760 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2181 transitions. Word has length 158 [2020-07-21 16:38:04,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:04,761 INFO L479 AbstractCegarLoop]: Abstraction has 1646 states and 2181 transitions. [2020-07-21 16:38:04,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:04,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2181 transitions. [2020-07-21 16:38:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-21 16:38:04,766 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:04,767 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:38:04,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:04,980 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:04,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:04,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1826953987, now seen corresponding path program 1 times [2020-07-21 16:38:04,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:04,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512333069] [2020-07-21 16:38:04,982 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:05,107 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:05,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:05,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:38:05,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:05,194 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:38:05,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:38:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:38:05,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512333069] [2020-07-21 16:38:05,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:38:05,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 16:38:05,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791098855] [2020-07-21 16:38:05,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 16:38:05,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:05,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 16:38:05,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:38:05,335 INFO L87 Difference]: Start difference. First operand 1646 states and 2181 transitions. Second operand 7 states. [2020-07-21 16:38:07,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:07,589 INFO L93 Difference]: Finished difference Result 4430 states and 6100 transitions. [2020-07-21 16:38:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 16:38:07,590 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2020-07-21 16:38:07,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:07,609 INFO L225 Difference]: With dead ends: 4430 [2020-07-21 16:38:07,609 INFO L226 Difference]: Without dead ends: 2972 [2020-07-21 16:38:07,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 419 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 16:38:07,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2972 states. [2020-07-21 16:38:07,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2972 to 2766. [2020-07-21 16:38:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2766 states. [2020-07-21 16:38:07,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3378 transitions. [2020-07-21 16:38:07,725 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3378 transitions. Word has length 212 [2020-07-21 16:38:07,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:07,726 INFO L479 AbstractCegarLoop]: Abstraction has 2766 states and 3378 transitions. [2020-07-21 16:38:07,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 16:38:07,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3378 transitions. [2020-07-21 16:38:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-21 16:38:07,737 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:07,737 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:38:07,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:07,951 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:07,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:07,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1305787994, now seen corresponding path program 1 times [2020-07-21 16:38:07,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:07,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2132200554] [2020-07-21 16:38:07,952 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:08,064 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:08,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:08,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:38:08,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-21 16:38:08,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:08,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2132200554] [2020-07-21 16:38:08,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:08,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:38:08,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297895846] [2020-07-21 16:38:08,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:38:08,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:08,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:38:08,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:08,129 INFO L87 Difference]: Start difference. First operand 2766 states and 3378 transitions. Second operand 3 states. [2020-07-21 16:38:09,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:09,131 INFO L93 Difference]: Finished difference Result 6080 states and 7622 transitions. [2020-07-21 16:38:09,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:09,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-07-21 16:38:09,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:09,189 INFO L225 Difference]: With dead ends: 6080 [2020-07-21 16:38:09,189 INFO L226 Difference]: Without dead ends: 3684 [2020-07-21 16:38:09,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:09,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3684 states. [2020-07-21 16:38:09,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3684 to 3318. [2020-07-21 16:38:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3318 states. [2020-07-21 16:38:09,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 3318 states and 4161 transitions. [2020-07-21 16:38:09,297 INFO L78 Accepts]: Start accepts. Automaton has 3318 states and 4161 transitions. Word has length 241 [2020-07-21 16:38:09,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:09,298 INFO L479 AbstractCegarLoop]: Abstraction has 3318 states and 4161 transitions. [2020-07-21 16:38:09,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3318 states and 4161 transitions. [2020-07-21 16:38:09,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-07-21 16:38:09,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:09,306 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:38:09,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:09,522 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:09,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:09,522 INFO L82 PathProgramCache]: Analyzing trace with hash 767399401, now seen corresponding path program 1 times [2020-07-21 16:38:09,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:09,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1593809456] [2020-07-21 16:38:09,523 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:09,642 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:09,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:09,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:38:09,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-07-21 16:38:09,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:09,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1593809456] [2020-07-21 16:38:09,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:09,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:38:09,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469376862] [2020-07-21 16:38:09,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:38:09,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:09,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:38:09,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:09,719 INFO L87 Difference]: Start difference. First operand 3318 states and 4161 transitions. Second operand 3 states. [2020-07-21 16:38:10,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:10,742 INFO L93 Difference]: Finished difference Result 7184 states and 9179 transitions. [2020-07-21 16:38:10,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:10,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2020-07-21 16:38:10,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:10,769 INFO L225 Difference]: With dead ends: 7184 [2020-07-21 16:38:10,769 INFO L226 Difference]: Without dead ends: 4236 [2020-07-21 16:38:10,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2020-07-21 16:38:10,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 3872. [2020-07-21 16:38:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3872 states. [2020-07-21 16:38:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 5011 transitions. [2020-07-21 16:38:10,886 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 5011 transitions. Word has length 266 [2020-07-21 16:38:10,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:10,886 INFO L479 AbstractCegarLoop]: Abstraction has 3872 states and 5011 transitions. [2020-07-21 16:38:10,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 5011 transitions. [2020-07-21 16:38:10,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-07-21 16:38:10,898 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:10,898 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:38:11,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:11,112 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:11,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:11,113 INFO L82 PathProgramCache]: Analyzing trace with hash 99176805, now seen corresponding path program 1 times [2020-07-21 16:38:11,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:11,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112112426] [2020-07-21 16:38:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:11,256 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:11,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:11,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:38:11,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-07-21 16:38:11,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:11,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112112426] [2020-07-21 16:38:11,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:11,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:38:11,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484292508] [2020-07-21 16:38:11,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:38:11,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:11,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:38:11,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:11,320 INFO L87 Difference]: Start difference. First operand 3872 states and 5011 transitions. Second operand 3 states. [2020-07-21 16:38:12,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:12,150 INFO L93 Difference]: Finished difference Result 3874 states and 5012 transitions. [2020-07-21 16:38:12,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:12,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-07-21 16:38:12,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:12,208 INFO L225 Difference]: With dead ends: 3874 [2020-07-21 16:38:12,208 INFO L226 Difference]: Without dead ends: 3872 [2020-07-21 16:38:12,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:12,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2020-07-21 16:38:12,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3872. [2020-07-21 16:38:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3872 states. [2020-07-21 16:38:12,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 5010 transitions. [2020-07-21 16:38:12,295 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 5010 transitions. Word has length 280 [2020-07-21 16:38:12,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:12,296 INFO L479 AbstractCegarLoop]: Abstraction has 3872 states and 5010 transitions. [2020-07-21 16:38:12,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 5010 transitions. [2020-07-21 16:38:12,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-07-21 16:38:12,308 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:12,308 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:38:12,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:12,522 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:12,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:12,522 INFO L82 PathProgramCache]: Analyzing trace with hash 771497289, now seen corresponding path program 1 times [2020-07-21 16:38:12,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:12,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1565906531] [2020-07-21 16:38:12,523 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:12,661 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:12,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:12,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:38:12,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-07-21 16:38:12,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:12,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1565906531] [2020-07-21 16:38:12,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:12,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:38:12,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383254333] [2020-07-21 16:38:12,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:38:12,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:12,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:38:12,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:12,757 INFO L87 Difference]: Start difference. First operand 3872 states and 5010 transitions. Second operand 3 states. [2020-07-21 16:38:13,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:13,508 INFO L93 Difference]: Finished difference Result 4242 states and 5411 transitions. [2020-07-21 16:38:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:13,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2020-07-21 16:38:13,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:13,513 INFO L225 Difference]: With dead ends: 4242 [2020-07-21 16:38:13,513 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 16:38:13,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:13,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 16:38:13,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 16:38:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 16:38:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 16:38:13,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 314 [2020-07-21 16:38:13,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:13,524 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 16:38:13,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 16:38:13,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 16:38:13,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:13,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 16:38:14,657 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2020-07-21 16:38:14,793 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:38:14,793 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~a15~0 |old(~a15~0)|) [2020-07-21 16:38:14,794 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:38:14,794 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-21 16:38:14,794 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-21 16:38:14,794 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,794 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,794 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,794 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-21 16:38:14,794 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 16:38:14,794 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 16:38:14,794 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 16:38:14,795 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 16:38:14,796 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-21 16:38:14,797 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-21 16:38:14,797 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-21 16:38:14,797 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-21 16:38:14,797 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-21 16:38:14,797 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,797 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,797 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,797 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-21 16:38:14,797 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 16:38:14,797 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 16:38:14,798 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 16:38:14,798 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-21 16:38:14,798 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-21 16:38:14,798 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-21 16:38:14,798 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,798 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,798 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,798 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-21 16:38:14,799 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 16:38:14,799 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 16:38:14,799 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 16:38:14,799 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-21 16:38:14,799 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-21 16:38:14,799 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-21 16:38:14,799 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-21 16:38:14,799 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-21 16:38:14,799 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-21 16:38:14,800 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,801 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,802 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,802 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-21 16:38:14,802 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-21 16:38:14,802 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 16:38:14,802 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 16:38:14,802 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 16:38:14,802 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-21 16:38:14,802 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse4 (not (<= |old(~a15~0)| 5))) (.cse5 (not (<= 8 |old(~a21~0)|))) (.cse2 (<= (+ ~a12~0 49) 0)) (.cse3 (not (<= (+ |old(~a12~0)| 49) 0))) (.cse7 (not (< |old(~a15~0)| 9))) (.cse1 (not (<= 7 |old(~a15~0)|))) (.cse6 (not (<= |old(~a21~0)| 6))) (.cse0 (<= ~a15~0 |old(~a15~0)|)) (.cse8 (not (<= 8 |old(~a15~0)|)))) (and (or (and (<= 7 ~a15~0) .cse0) .cse1) (or .cse2 .cse3 .cse4) (or .cse1 (<= 9 ~a21~0) (not (<= 9 |old(~a21~0)|))) (or (<= 8 ~a21~0) .cse5) (or .cse4 .cse0) (or .cse6 (<= ~a21~0 6)) (or .cse2 .cse3 .cse7 .cse8) (or (not (<= 10 |old(~a21~0)|)) .cse1 (<= 10 ~a21~0)) (or .cse0 .cse5) (or .cse2 .cse6 .cse3 .cse7 .cse1) (or .cse6 .cse0) (or .cse8 (<= 8 ~a15~0)))) [2020-07-21 16:38:14,802 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-21 16:38:14,802 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-21 16:38:14,802 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,803 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,804 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,804 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-21 16:38:14,804 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-21 16:38:14,804 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 16:38:14,804 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 16:38:14,804 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 16:38:14,804 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-21 16:38:14,805 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-21 16:38:14,805 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-21 16:38:14,805 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,805 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,805 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,805 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-21 16:38:14,805 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 16:38:14,805 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 16:38:14,806 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 16:38:14,806 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-21 16:38:14,806 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-21 16:38:14,806 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-21 16:38:14,806 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-21 16:38:14,806 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,806 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,806 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,806 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-21 16:38:14,806 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 16:38:14,807 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 16:38:14,808 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-21 16:38:14,809 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-21 16:38:14,810 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 16:38:14,811 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 16:38:14,812 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 16:38:14,813 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-21 16:38:14,814 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-21 16:38:14,815 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-21 16:38:14,815 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,815 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,815 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:14,815 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-21 16:38:14,815 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 16:38:14,815 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 16:38:14,815 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 16:38:14,815 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-21 16:38:14,815 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:38:14,816 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (< ~a15~0 9) (<= 8 ~a15~0)) [2020-07-21 16:38:14,816 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 16:38:14,816 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:38:14,816 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (not (< |old(~a15~0)| 9)) (and (<= (+ ~a12~0 49) 0) (< ~a15~0 9) (<= 8 ~a15~0)) (not (<= 8 |old(~a15~0)|))) [2020-07-21 16:38:14,816 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-21 16:38:14,816 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= ~a21~0 6) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (< |old(~a15~0)| 9)) (<= 8 ~a21~0) (not (<= 8 |old(~a15~0)|))) [2020-07-21 16:38:14,817 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-21 16:38:14,817 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-21 16:38:14,817 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= ~a21~0 6) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (< |old(~a15~0)| 9)) (<= 8 ~a21~0) (not (<= 8 |old(~a15~0)|))) [2020-07-21 16:38:14,817 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-21 16:38:14,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:38:14 BoogieIcfgContainer [2020-07-21 16:38:14,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:38:14,837 INFO L168 Benchmark]: Toolchain (without parser) took 19361.24 ms. Allocated memory was 142.6 MB in the beginning and 519.6 MB in the end (delta: 377.0 MB). Free memory was 98.6 MB in the beginning and 336.4 MB in the end (delta: -237.7 MB). Peak memory consumption was 335.0 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:14,838 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 16:38:14,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1014.78 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 98.2 MB in the beginning and 166.2 MB in the end (delta: -68.0 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:14,839 INFO L168 Benchmark]: Boogie Preprocessor took 174.09 ms. Allocated memory is still 203.4 MB. Free memory was 166.2 MB in the beginning and 160.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:14,840 INFO L168 Benchmark]: RCFGBuilder took 1823.18 ms. Allocated memory was 203.4 MB in the beginning and 231.2 MB in the end (delta: 27.8 MB). Free memory was 160.9 MB in the beginning and 155.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:14,841 INFO L168 Benchmark]: TraceAbstraction took 16342.29 ms. Allocated memory was 231.2 MB in the beginning and 519.6 MB in the end (delta: 288.4 MB). Free memory was 154.4 MB in the beginning and 336.4 MB in the end (delta: -182.0 MB). Peak memory consumption was 302.1 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:14,845 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1014.78 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 98.2 MB in the beginning and 166.2 MB in the end (delta: -68.0 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.09 ms. Allocated memory is still 203.4 MB. Free memory was 166.2 MB in the beginning and 160.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1823.18 ms. Allocated memory was 203.4 MB in the beginning and 231.2 MB in the end (delta: 27.8 MB). Free memory was 160.9 MB in the beginning and 155.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16342.29 ms. Allocated memory was 231.2 MB in the beginning and 519.6 MB in the end (delta: 288.4 MB). Free memory was 154.4 MB in the beginning and 336.4 MB in the end (delta: -182.0 MB). Peak memory consumption was 302.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((a21 <= 6 || 7 <= a15) || a15 <= 5) || !(\old(a12) + 49 <= 0)) || !(\old(a15) < 9)) || 8 <= a21) || !(8 <= \old(a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.1s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1697 SDtfs, 2062 SDslu, 144 SDs, 0 SdLazy, 5521 SolverSat, 1271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2006 GetRequests, 1987 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3872occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1118 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 73 PreInvPairs, 119 NumberOfFragments, 242 HoareAnnotationTreeSize, 73 FomulaSimplifications, 1381 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 863 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1796 NumberOfCodeBlocks, 1796 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1998 ConstructedInterpolants, 0 QuantifiedInterpolants, 735256 SizeOfPredicates, 17 NumberOfNonLiveVariables, 3246 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 1195/1199 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...