/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 BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:57:28,991 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 22:57:29,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:57:29,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:57:29,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:57:29,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:57:29,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:57:29,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:57:29,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:57:29,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:57:29,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:57:29,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:57:29,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:57:29,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:57:29,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 22:57:29,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:57:29,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:57:29,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:57:29,040 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 22:57:29,055 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:57:29,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:57:29,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:57:29,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:57:29,057 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:57:29,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:57:29,057 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:57:29,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:57:29,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:57:29,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:57:29,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:57:29,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:57:29,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:57:29,059 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:57:29,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:57:29,059 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:57:29,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:57:29,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:57:29,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:57:29,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:57:29,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:57:29,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:57:29,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:57:29,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:57:29,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:57:29,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:57:29,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:29,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:57:29,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:57:29,062 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 -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:57:29,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:57:29,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:57:29,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:57:29,406 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:57:29,406 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:57:29,407 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04.c [2020-07-21 22:57:29,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97bdd74b9/36d3f323d9d948bd94d7deb6277253ae/FLAGf390836e5 [2020-07-21 22:57:30,043 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:57:30,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label04.c [2020-07-21 22:57:30,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97bdd74b9/36d3f323d9d948bd94d7deb6277253ae/FLAGf390836e5 [2020-07-21 22:57:30,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97bdd74b9/36d3f323d9d948bd94d7deb6277253ae [2020-07-21 22:57:30,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:57:30,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:57:30,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:57:30,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:57:30,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:57:30,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:57:30" (1/1) ... [2020-07-21 22:57:30,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33761369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:30, skipping insertion in model container [2020-07-21 22:57:30,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:57:30" (1/1) ... [2020-07-21 22:57:30,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:57:30,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:57:31,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:57:31,024 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:57:31,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:57:31,169 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:57:31,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:31 WrapperNode [2020-07-21 22:57:31,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:57:31,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:57:31,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:57:31,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:57:31,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:31" (1/1) ... [2020-07-21 22:57:31,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:31" (1/1) ... [2020-07-21 22:57:31,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:31" (1/1) ... [2020-07-21 22:57:31,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:31" (1/1) ... [2020-07-21 22:57:31,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:31" (1/1) ... [2020-07-21 22:57:31,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:31" (1/1) ... [2020-07-21 22:57:31,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:31" (1/1) ... [2020-07-21 22:57:31,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:57:31,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:57:31,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:57:31,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:57:31,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:31" (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 22:57:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:57:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:57:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 22:57:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:57:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 22:57:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:57:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:57:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:57:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:57:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:57:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:57:32,782 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:57:32,782 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 22:57:32,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:57:32 BoogieIcfgContainer [2020-07-21 22:57:32,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:57:32,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:57:32,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:57:32,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:57:32,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:57:30" (1/3) ... [2020-07-21 22:57:32,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5098ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:57:32, skipping insertion in model container [2020-07-21 22:57:32,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:31" (2/3) ... [2020-07-21 22:57:32,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5098ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:57:32, skipping insertion in model container [2020-07-21 22:57:32,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:57:32" (3/3) ... [2020-07-21 22:57:32,797 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label04.c [2020-07-21 22:57:32,808 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:57:32,816 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:57:32,829 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:57:32,853 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:57:32,853 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:57:32,853 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:57:32,854 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:57:32,854 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:57:32,854 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:57:32,854 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:57:32,854 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:57:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-21 22:57:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-21 22:57:32,890 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:32,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:57:32,892 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:32,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:32,897 INFO L82 PathProgramCache]: Analyzing trace with hash -460870769, now seen corresponding path program 1 times [2020-07-21 22:57:32,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:32,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966472333] [2020-07-21 22:57:32,905 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:57:33,048 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:57:33,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:33,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 22:57:33,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:33,195 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 22:57:33,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:57:33,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966472333] [2020-07-21 22:57:33,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:57:33,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:57:33,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176671604] [2020-07-21 22:57:33,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:57:33,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:33,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:57:33,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:57:33,232 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-21 22:57:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:34,248 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2020-07-21 22:57:34,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:57:34,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-07-21 22:57:34,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:34,280 INFO L225 Difference]: With dead ends: 571 [2020-07-21 22:57:34,281 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 22:57:34,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 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 22:57:34,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 22:57:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-21 22:57:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-21 22:57:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 391 transitions. [2020-07-21 22:57:34,412 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 391 transitions. Word has length 72 [2020-07-21 22:57:34,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:34,412 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 391 transitions. [2020-07-21 22:57:34,413 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:57:34,413 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 391 transitions. [2020-07-21 22:57:34,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-21 22:57:34,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:34,422 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 22:57:34,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:34,637 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:34,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:34,638 INFO L82 PathProgramCache]: Analyzing trace with hash -2048937230, now seen corresponding path program 1 times [2020-07-21 22:57:34,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:34,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401242014] [2020-07-21 22:57:34,639 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:34,731 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:57:34,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:34,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 22:57:34,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 22:57:34,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 22:57:34,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401242014] [2020-07-21 22:57:34,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 22:57:34,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2020-07-21 22:57:34,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184244865] [2020-07-21 22:57:34,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 22:57:34,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:34,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 22:57:34,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:57:34,939 INFO L87 Difference]: Start difference. First operand 294 states and 391 transitions. Second operand 4 states. [2020-07-21 22:57:35,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:35,697 INFO L93 Difference]: Finished difference Result 586 states and 784 transitions. [2020-07-21 22:57:35,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 22:57:35,698 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-07-21 22:57:35,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:35,708 INFO L225 Difference]: With dead ends: 586 [2020-07-21 22:57:35,709 INFO L226 Difference]: Without dead ends: 584 [2020-07-21 22:57:35,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:57:35,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-07-21 22:57:35,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2020-07-21 22:57:35,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-07-21 22:57:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 782 transitions. [2020-07-21 22:57:35,772 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 782 transitions. Word has length 142 [2020-07-21 22:57:35,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:35,776 INFO L479 AbstractCegarLoop]: Abstraction has 584 states and 782 transitions. [2020-07-21 22:57:35,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 22:57:35,776 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 782 transitions. [2020-07-21 22:57:35,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-07-21 22:57:35,789 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:35,790 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:57:35,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:35,991 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:35,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:35,992 INFO L82 PathProgramCache]: Analyzing trace with hash 173580762, now seen corresponding path program 1 times [2020-07-21 22:57:35,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:35,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [996980909] [2020-07-21 22:57:35,994 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:36,135 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:57:36,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:36,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:57:36,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:36,181 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 22:57:36,181 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:57:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:36,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:36,350 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:36,351 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:36,354 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 1] term [2020-07-21 22:57:36,354 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:36,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [996980909] [2020-07-21 22:57:36,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:36,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 22:57:36,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516063167] [2020-07-21 22:57:36,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:57:36,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:36,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:57:36,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:57:36,608 INFO L87 Difference]: Start difference. First operand 584 states and 782 transitions. Second operand 6 states. [2020-07-21 22:57:37,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:37,653 INFO L93 Difference]: Finished difference Result 1323 states and 1815 transitions. [2020-07-21 22:57:37,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:57:37,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 261 [2020-07-21 22:57:37,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:37,661 INFO L225 Difference]: With dead ends: 1323 [2020-07-21 22:57:37,661 INFO L226 Difference]: Without dead ends: 745 [2020-07-21 22:57:37,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 516 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:57:37,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-07-21 22:57:37,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 739. [2020-07-21 22:57:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-07-21 22:57:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1006 transitions. [2020-07-21 22:57:37,694 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1006 transitions. Word has length 261 [2020-07-21 22:57:37,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:37,695 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 1006 transitions. [2020-07-21 22:57:37,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:57:37,695 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1006 transitions. [2020-07-21 22:57:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-07-21 22:57:37,700 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:37,700 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 22:57:37,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:37,914 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:37,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:37,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1604137490, now seen corresponding path program 1 times [2020-07-21 22:57:37,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:37,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328086064] [2020-07-21 22:57:37,916 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:38,040 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:57:38,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:38,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:57:38,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:38,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:38,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328086064] [2020-07-21 22:57:38,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:38,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 22:57:38,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580758001] [2020-07-21 22:57:38,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:57:38,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:38,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:57:38,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:57:38,378 INFO L87 Difference]: Start difference. First operand 739 states and 1006 transitions. Second operand 6 states. [2020-07-21 22:57:39,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:39,478 INFO L93 Difference]: Finished difference Result 1641 states and 2276 transitions. [2020-07-21 22:57:39,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:57:39,480 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 267 [2020-07-21 22:57:39,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:39,481 INFO L225 Difference]: With dead ends: 1641 [2020-07-21 22:57:39,482 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:57:39,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 530 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:57:39,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:57:39,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:57:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:57:39,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:57:39,489 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 267 [2020-07-21 22:57:39,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:39,491 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:57:39,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:57:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:57:39,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:57:39,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:39,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:57:40,117 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2020-07-21 22:57:40,258 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:57:40,259 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (or (< |old(~a19~0)| 7) (< 6 ~a19~0))) [2020-07-21 22:57:40,259 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:57:40,259 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-21 22:57:40,259 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,259 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,259 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,259 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,260 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,260 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,260 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-21 22:57:40,260 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-21 22:57:40,260 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 22:57:40,260 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 22:57:40,260 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 22:57:40,261 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 22:57:40,261 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 22:57:40,261 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 22:57:40,261 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-21 22:57:40,261 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-21 22:57:40,261 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-21 22:57:40,261 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,262 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,262 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,262 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,262 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,262 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-21 22:57:40,262 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-21 22:57:40,262 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-21 22:57:40,263 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-21 22:57:40,263 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 22:57:40,263 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 22:57:40,263 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 22:57:40,267 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 22:57:40,267 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 22:57:40,268 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-21 22:57:40,268 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-21 22:57:40,268 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-21 22:57:40,274 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-21 22:57:40,274 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2020-07-21 22:57:40,274 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-21 22:57:40,274 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,275 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,275 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,275 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,275 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,275 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-21 22:57:40,275 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 22:57:40,276 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 22:57:40,276 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 22:57:40,276 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 22:57:40,276 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 22:57:40,276 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-21 22:57:40,276 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-21 22:57:40,276 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-21 22:57:40,276 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-21 22:57:40,277 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,277 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,277 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,277 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,282 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,283 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-21 22:57:40,283 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-21 22:57:40,283 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-21 22:57:40,283 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 22:57:40,283 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 22:57:40,283 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 22:57:40,283 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 22:57:40,284 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 22:57:40,284 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-21 22:57:40,284 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-21 22:57:40,284 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-21 22:57:40,284 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-21 22:57:40,284 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-21 22:57:40,284 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,285 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,285 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,285 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,285 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,287 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 22:57:40,287 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 22:57:40,288 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 22:57:40,288 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 22:57:40,288 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 22:57:40,288 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-21 22:57:40,288 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-21 22:57:40,288 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-21 22:57:40,288 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-21 22:57:40,288 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,289 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,289 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,290 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,290 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,291 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,291 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,291 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-21 22:57:40,291 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-21 22:57:40,291 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-21 22:57:40,291 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-21 22:57:40,292 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 22:57:40,292 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 22:57:40,292 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 22:57:40,292 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 22:57:40,292 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 22:57:40,292 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-21 22:57:40,292 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-21 22:57:40,292 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-21 22:57:40,293 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-21 22:57:40,293 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,293 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,293 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,295 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,296 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 22:57:40,296 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,296 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,296 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-21 22:57:40,296 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-21 22:57:40,296 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-21 22:57:40,296 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 22:57:40,296 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 22:57:40,297 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 22:57:40,297 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 22:57:40,297 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 22:57:40,297 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 22:57:40,297 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-21 22:57:40,297 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-21 22:57:40,297 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-21 22:57:40,297 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-21 22:57:40,298 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,298 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,298 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,298 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,298 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,299 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,299 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-21 22:57:40,299 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-21 22:57:40,300 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-21 22:57:40,300 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 22:57:40,300 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 22:57:40,300 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 22:57:40,300 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 22:57:40,300 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 22:57:40,300 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 22:57:40,301 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-21 22:57:40,301 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-21 22:57:40,301 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 |old(~a10~0)|)) (.cse2 (<= |old(~a10~0)| ~a10~0))) (let ((.cse0 (and .cse1 .cse2))) (and (or .cse0 (not (<= |old(~a10~0)| 0))) (or .cse0 (not (<= 2 |old(~a10~0)|))) (or (and .cse1 .cse2 (< 6 ~a19~0)) (not (< 6 |old(~a19~0)|)))))) [2020-07-21 22:57:40,301 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-21 22:57:40,301 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-21 22:57:40,301 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-21 22:57:40,301 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,302 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,302 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,302 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,302 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,302 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,302 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-21 22:57:40,302 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 22:57:40,302 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 22:57:40,303 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 22:57:40,303 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 22:57:40,305 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 22:57:40,305 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 22:57:40,305 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-21 22:57:40,305 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-21 22:57:40,306 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-21 22:57:40,306 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-21 22:57:40,306 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-21 22:57:40,306 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-21 22:57:40,307 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,307 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,307 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,307 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,308 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,308 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,308 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-21 22:57:40,308 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-21 22:57:40,308 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-21 22:57:40,308 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 22:57:40,308 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 22:57:40,308 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 22:57:40,309 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 22:57:40,309 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 22:57:40,309 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 22:57:40,309 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-21 22:57:40,309 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-21 22:57:40,312 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-21 22:57:40,312 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,312 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,312 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,313 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,313 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,313 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 22:57:40,313 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-21 22:57:40,313 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-21 22:57:40,313 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-21 22:57:40,313 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 22:57:40,314 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 22:57:40,314 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 22:57:40,314 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 22:57:40,314 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 22:57:40,314 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 22:57:40,315 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-21 22:57:40,315 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-21 22:57:40,315 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-21 22:57:40,315 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:57:40,315 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (< 6 ~a19~0)) [2020-07-21 22:57:40,315 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:57:40,315 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:57:40,316 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (< 6 ~a19~0)) (not (< 6 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0))) [2020-07-21 22:57:40,316 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-21 22:57:40,316 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= ~a10~0 0) (not (< 6 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0)) (< 6 ~a19~0) (<= 2 ~a10~0)) [2020-07-21 22:57:40,316 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 22:57:40,316 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 22:57:40,316 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= ~a10~0 0) (not (< 6 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0)) (< 6 ~a19~0) (<= 2 ~a10~0)) [2020-07-21 22:57:40,316 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-21 22:57:40,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:57:40 BoogieIcfgContainer [2020-07-21 22:57:40,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:57:40,349 INFO L168 Benchmark]: Toolchain (without parser) took 10028.19 ms. Allocated memory was 142.6 MB in the beginning and 410.0 MB in the end (delta: 267.4 MB). Free memory was 98.5 MB in the beginning and 359.8 MB in the end (delta: -261.3 MB). Peak memory consumption was 232.8 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,350 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.79 ms. Allocated memory was 142.6 MB in the beginning and 202.4 MB in the end (delta: 59.8 MB). Free memory was 98.1 MB in the beginning and 167.8 MB in the end (delta: -69.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,357 INFO L168 Benchmark]: Boogie Preprocessor took 171.37 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 163.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,359 INFO L168 Benchmark]: RCFGBuilder took 1447.32 ms. Allocated memory was 202.4 MB in the beginning and 230.2 MB in the end (delta: 27.8 MB). Free memory was 163.4 MB in the beginning and 178.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,360 INFO L168 Benchmark]: TraceAbstraction took 7554.05 ms. Allocated memory was 230.2 MB in the beginning and 410.0 MB in the end (delta: 179.8 MB). Free memory was 178.4 MB in the beginning and 359.8 MB in the end (delta: -181.4 MB). Peak memory consumption was 225.1 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,372 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 848.79 ms. Allocated memory was 142.6 MB in the beginning and 202.4 MB in the end (delta: 59.8 MB). Free memory was 98.1 MB in the beginning and 167.8 MB in the end (delta: -69.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 171.37 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 163.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1447.32 ms. Allocated memory was 202.4 MB in the beginning and 230.2 MB in the end (delta: 27.8 MB). Free memory was 163.4 MB in the beginning and 178.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7554.05 ms. Allocated memory was 230.2 MB in the beginning and 410.0 MB in the end (delta: 179.8 MB). Free memory was 178.4 MB in the beginning and 359.8 MB in the end (delta: -181.4 MB). Peak memory consumption was 225.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: 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: 582]: Loop Invariant Derived loop invariant: (((a10 <= 0 || !(6 < \old(a19))) || !(\old(a10) <= 0)) || 6 < a19) || 2 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.8s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 178 SDtfs, 984 SDslu, 91 SDs, 0 SdLazy, 2233 SolverSat, 659 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1418 GetRequests, 1395 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=739occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 25 PreInvPairs, 43 NumberOfFragments, 117 HoareAnnotationTreeSize, 25 FomulaSimplifications, 162 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 283 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 742 NumberOfCodeBlocks, 613 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1405 ConstructedInterpolants, 0 QuantifiedInterpolants, 1128317 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1165 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 860/930 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...