/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:06:35,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 20:06:35,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 20:06:35,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-21 20:06:35,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:06:35,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:06:35,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:06:35,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:06:35,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:06:35,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:06:35,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:06:35,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:06:35,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:06:35,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:06:35,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:06:35,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:06:35,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 20:06:35,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:06:35,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:06:35,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:06:35,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 20:06:35,874 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:06:35,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:06:35,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:06:35,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:06:35,876 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:06:35,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:06:35,876 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:06:35,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:06:35,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:06:35,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:06:35,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:06:35,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:06:35,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:06:35,877 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:06:35,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:06:35,878 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:06:35,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:06:35,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:06:35,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:06:35,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:06:35,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:06:35,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:06:35,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:06:35,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:06:35,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:06:35,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:06:35,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:35,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:06:35,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:06:35,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 20:06:36,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:06:36,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:06:36,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:06:36,188 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:06:36,188 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:06:36,189 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-07-21 20:06:36,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae48150e1/7d384efd4cea42cd90676f349a7e9ebe/FLAG052f7f5ab [2020-07-21 20:06:36,828 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:06:36,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-07-21 20:06:36,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae48150e1/7d384efd4cea42cd90676f349a7e9ebe/FLAG052f7f5ab [2020-07-21 20:06:37,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae48150e1/7d384efd4cea42cd90676f349a7e9ebe [2020-07-21 20:06:37,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:06:37,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:06:37,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:06:37,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:06:37,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:06:37,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:06:37" (1/1) ... [2020-07-21 20:06:37,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a350d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37, skipping insertion in model container [2020-07-21 20:06:37,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:06:37" (1/1) ... [2020-07-21 20:06:37,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:06:37,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:06:37,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:06:37,709 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:06:37,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:06:37,882 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:06:37,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37 WrapperNode [2020-07-21 20:06:37,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:06:37,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:06:37,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:06:37,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:06:37,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37" (1/1) ... [2020-07-21 20:06:37,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37" (1/1) ... [2020-07-21 20:06:37,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37" (1/1) ... [2020-07-21 20:06:37,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37" (1/1) ... [2020-07-21 20:06:37,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37" (1/1) ... [2020-07-21 20:06:37,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37" (1/1) ... [2020-07-21 20:06:37,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37" (1/1) ... [2020-07-21 20:06:37,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:06:37,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:06:37,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:06:37,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:06:37,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:06:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:06:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:06:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 20:06:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:06:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 20:06:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:06:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 20:06:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 20:06:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:06:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:06:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:06:39,199 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:06:39,200 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 20:06:39,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:06:39 BoogieIcfgContainer [2020-07-21 20:06:39,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:06:39,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:06:39,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:06:39,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:06:39,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:06:37" (1/3) ... [2020-07-21 20:06:39,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f415fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:06:39, skipping insertion in model container [2020-07-21 20:06:39,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:06:37" (2/3) ... [2020-07-21 20:06:39,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f415fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:06:39, skipping insertion in model container [2020-07-21 20:06:39,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:06:39" (3/3) ... [2020-07-21 20:06:39,216 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2020-07-21 20:06:39,229 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:06:39,238 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:06:39,256 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:06:39,286 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:06:39,287 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:06:39,287 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:06:39,287 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:06:39,288 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:06:39,288 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:06:39,288 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:06:39,288 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:06:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-21 20:06:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 20:06:39,329 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:06:39,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:06:39,331 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:06:39,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:06:39,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1778503114, now seen corresponding path program 1 times [2020-07-21 20:06:39,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:06:39,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936625766] [2020-07-21 20:06:39,348 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:39,602 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:06:39,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:06:39,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:06:39,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:06:39,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:06:39,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:06:39,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936625766] [2020-07-21 20:06:39,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:06:39,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:06:39,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736231034] [2020-07-21 20:06:39,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:06:39,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:06:39,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:06:39,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:06:39,765 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-21 20:06:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:06:40,719 INFO L93 Difference]: Finished difference Result 572 states and 963 transitions. [2020-07-21 20:06:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:06:40,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-07-21 20:06:40,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:06:40,740 INFO L225 Difference]: With dead ends: 572 [2020-07-21 20:06:40,740 INFO L226 Difference]: Without dead ends: 278 [2020-07-21 20:06:40,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:06:40,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-21 20:06:40,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-21 20:06:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-21 20:06:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2020-07-21 20:06:40,822 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 122 [2020-07-21 20:06:40,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:06:40,823 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2020-07-21 20:06:40,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:06:40,824 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2020-07-21 20:06:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-21 20:06:40,829 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:06:40,829 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:06:41,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:41,045 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:06:41,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:06:41,046 INFO L82 PathProgramCache]: Analyzing trace with hash -259733235, now seen corresponding path program 1 times [2020-07-21 20:06:41,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:06:41,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307285603] [2020-07-21 20:06:41,047 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:41,189 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:06:41,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:06:41,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:06:41,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:06:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:06:41,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:06:41,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307285603] [2020-07-21 20:06:41,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:06:41,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:06:41,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765653777] [2020-07-21 20:06:41,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:06:41,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:06:41,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:06:41,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:06:41,267 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 3 states. [2020-07-21 20:06:41,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:06:41,829 INFO L93 Difference]: Finished difference Result 820 states and 1180 transitions. [2020-07-21 20:06:41,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:06:41,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-07-21 20:06:41,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:06:41,838 INFO L225 Difference]: With dead ends: 820 [2020-07-21 20:06:41,838 INFO L226 Difference]: Without dead ends: 548 [2020-07-21 20:06:41,840 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 20:06:41,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-07-21 20:06:41,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2020-07-21 20:06:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-07-21 20:06:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 704 transitions. [2020-07-21 20:06:41,881 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 704 transitions. Word has length 132 [2020-07-21 20:06:41,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:06:41,882 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 704 transitions. [2020-07-21 20:06:41,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:06:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 704 transitions. [2020-07-21 20:06:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 20:06:41,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:06:41,887 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:06:42,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:42,103 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:06:42,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:06:42,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1132682992, now seen corresponding path program 1 times [2020-07-21 20:06:42,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:06:42,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970129518] [2020-07-21 20:06:42,106 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:42,237 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:06:42,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:06:42,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:06:42,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:06:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:06:42,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:06:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:06:42,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970129518] [2020-07-21 20:06:42,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:06:42,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 20:06:42,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368882675] [2020-07-21 20:06:42,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 20:06:42,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:06:42,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 20:06:42,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:06:42,479 INFO L87 Difference]: Start difference. First operand 548 states and 704 transitions. Second operand 7 states. [2020-07-21 20:06:44,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:06:44,112 INFO L93 Difference]: Finished difference Result 2107 states and 2907 transitions. [2020-07-21 20:06:44,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 20:06:44,113 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 152 [2020-07-21 20:06:44,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:06:44,137 INFO L225 Difference]: With dead ends: 2107 [2020-07-21 20:06:44,138 INFO L226 Difference]: Without dead ends: 1565 [2020-07-21 20:06:44,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 20:06:44,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2020-07-21 20:06:44,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1517. [2020-07-21 20:06:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1517 states. [2020-07-21 20:06:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1946 transitions. [2020-07-21 20:06:44,281 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1946 transitions. Word has length 152 [2020-07-21 20:06:44,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:06:44,282 INFO L479 AbstractCegarLoop]: Abstraction has 1517 states and 1946 transitions. [2020-07-21 20:06:44,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 20:06:44,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1946 transitions. [2020-07-21 20:06:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 20:06:44,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:06:44,302 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:06:44,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:44,516 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:06:44,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:06:44,517 INFO L82 PathProgramCache]: Analyzing trace with hash -651922436, now seen corresponding path program 1 times [2020-07-21 20:06:44,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:06:44,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762690589] [2020-07-21 20:06:44,518 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:44,634 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:06:44,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:06:44,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:06:44,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:06:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-21 20:06:44,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:06:44,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762690589] [2020-07-21 20:06:44,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:06:44,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:06:44,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332374066] [2020-07-21 20:06:44,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:06:44,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:06:44,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:06:44,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:06:44,695 INFO L87 Difference]: Start difference. First operand 1517 states and 1946 transitions. Second operand 3 states. [2020-07-21 20:06:45,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:06:45,350 INFO L93 Difference]: Finished difference Result 4390 states and 5765 transitions. [2020-07-21 20:06:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:06:45,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-07-21 20:06:45,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:06:45,367 INFO L225 Difference]: With dead ends: 4390 [2020-07-21 20:06:45,367 INFO L226 Difference]: Without dead ends: 2883 [2020-07-21 20:06:45,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:06:45,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2883 states. [2020-07-21 20:06:45,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2883 to 2613. [2020-07-21 20:06:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2613 states. [2020-07-21 20:06:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 3388 transitions. [2020-07-21 20:06:45,467 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 3388 transitions. Word has length 157 [2020-07-21 20:06:45,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:06:45,468 INFO L479 AbstractCegarLoop]: Abstraction has 2613 states and 3388 transitions. [2020-07-21 20:06:45,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:06:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3388 transitions. [2020-07-21 20:06:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-21 20:06:45,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:06:45,483 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:06:45,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:45,697 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:06:45,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:06:45,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1696999943, now seen corresponding path program 1 times [2020-07-21 20:06:45,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:06:45,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825623095] [2020-07-21 20:06:45,699 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:45,847 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:06:45,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:06:45,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:06:45,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:06:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-21 20:06:45,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:06:45,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825623095] [2020-07-21 20:06:45,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:06:45,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:06:45,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785765266] [2020-07-21 20:06:45,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:06:45,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:06:45,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:06:45,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:06:45,908 INFO L87 Difference]: Start difference. First operand 2613 states and 3388 transitions. Second operand 3 states. [2020-07-21 20:06:46,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:06:46,528 INFO L93 Difference]: Finished difference Result 4547 states and 5860 transitions. [2020-07-21 20:06:46,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:06:46,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-07-21 20:06:46,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:06:46,546 INFO L225 Difference]: With dead ends: 4547 [2020-07-21 20:06:46,547 INFO L226 Difference]: Without dead ends: 2748 [2020-07-21 20:06:46,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:06:46,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2020-07-21 20:06:46,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2613. [2020-07-21 20:06:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2613 states. [2020-07-21 20:06:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 3334 transitions. [2020-07-21 20:06:46,636 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 3334 transitions. Word has length 173 [2020-07-21 20:06:46,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:06:46,636 INFO L479 AbstractCegarLoop]: Abstraction has 2613 states and 3334 transitions. [2020-07-21 20:06:46,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:06:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3334 transitions. [2020-07-21 20:06:46,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-21 20:06:46,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:06:46,650 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:06:46,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:46,865 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:06:46,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:06:46,865 INFO L82 PathProgramCache]: Analyzing trace with hash 700923905, now seen corresponding path program 1 times [2020-07-21 20:06:46,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:06:46,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659216870] [2020-07-21 20:06:46,866 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:46,991 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:06:46,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:06:46,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:06:46,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:06:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-21 20:06:47,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:06:47,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659216870] [2020-07-21 20:06:47,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:06:47,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:06:47,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331717415] [2020-07-21 20:06:47,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:06:47,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:06:47,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:06:47,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:06:47,055 INFO L87 Difference]: Start difference. First operand 2613 states and 3334 transitions. Second operand 3 states. [2020-07-21 20:06:47,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:06:47,648 INFO L93 Difference]: Finished difference Result 6167 states and 7896 transitions. [2020-07-21 20:06:47,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:06:47,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-07-21 20:06:47,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:06:47,650 INFO L225 Difference]: With dead ends: 6167 [2020-07-21 20:06:47,651 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:06:47,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:06:47,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:06:47,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:06:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:06:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:06:47,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2020-07-21 20:06:47,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:06:47,670 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:06:47,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:06:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:06:47,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:06:47,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:06:47,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:06:48,580 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 46 [2020-07-21 20:06:48,682 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:06:48,682 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~a16~0 |old(~a16~0)|) [2020-07-21 20:06:48,682 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:06:48,682 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-21 20:06:48,682 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-21 20:06:48,683 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,683 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,683 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,683 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,683 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,683 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,683 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-21 20:06:48,683 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-21 20:06:48,684 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-21 20:06:48,684 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-21 20:06:48,684 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 20:06:48,684 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 20:06:48,684 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 20:06:48,684 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-21 20:06:48,684 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-21 20:06:48,684 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-21 20:06:48,685 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,685 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,685 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,685 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,685 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,685 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,685 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-21 20:06:48,686 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-21 20:06:48,686 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-21 20:06:48,686 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-21 20:06:48,686 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 20:06:48,686 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-21 20:06:48,686 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-21 20:06:48,686 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-21 20:06:48,686 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-21 20:06:48,687 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-21 20:06:48,687 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-21 20:06:48,687 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2020-07-21 20:06:48,687 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-21 20:06:48,687 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-21 20:06:48,687 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-21 20:06:48,687 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-21 20:06:48,688 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,688 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,688 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,688 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,688 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,688 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-21 20:06:48,688 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-21 20:06:48,688 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-21 20:06:48,689 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-21 20:06:48,689 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-21 20:06:48,689 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 20:06:48,689 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-21 20:06:48,689 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-21 20:06:48,689 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-21 20:06:48,689 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,689 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,690 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,690 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,690 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,690 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-21 20:06:48,690 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-21 20:06:48,690 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-21 20:06:48,690 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 20:06:48,690 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-21 20:06:48,691 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 20:06:48,691 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-21 20:06:48,691 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-21 20:06:48,691 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-21 20:06:48,691 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-21 20:06:48,691 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-21 20:06:48,691 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-21 20:06:48,691 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-21 20:06:48,692 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,692 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,692 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,692 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,692 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,692 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-21 20:06:48,692 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-21 20:06:48,693 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-21 20:06:48,693 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-21 20:06:48,693 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-21 20:06:48,693 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 20:06:48,693 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-21 20:06:48,693 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-21 20:06:48,693 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-21 20:06:48,693 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,694 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,694 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,694 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,694 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,694 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,694 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-21 20:06:48,694 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,694 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-21 20:06:48,695 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-21 20:06:48,695 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-21 20:06:48,695 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-21 20:06:48,695 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 20:06:48,695 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 20:06:48,695 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-21 20:06:48,695 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-21 20:06:48,695 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-21 20:06:48,696 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-21 20:06:48,696 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-21 20:06:48,696 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-21 20:06:48,696 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-21 20:06:48,696 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,696 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,696 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,697 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,697 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,697 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-21 20:06:48,697 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-21 20:06:48,697 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-21 20:06:48,697 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 20:06:48,697 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 20:06:48,697 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-21 20:06:48,698 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-21 20:06:48,698 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-21 20:06:48,698 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,698 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,698 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,698 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,698 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,699 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-21 20:06:48,699 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-21 20:06:48,699 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-21 20:06:48,699 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-21 20:06:48,699 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-21 20:06:48,699 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-21 20:06:48,699 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 20:06:48,699 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 20:06:48,700 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-21 20:06:48,700 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-21 20:06:48,700 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (<= 15 |old(~a8~0)|))) (.cse3 (<= 5 ~a16~0)) (.cse4 (not (<= 5 |old(~a16~0)|))) (.cse6 (<= ~a16~0 |old(~a16~0)|)) (.cse5 (not (<= |old(~a17~0)| 0))) (.cse1 (not (<= |old(~a7~0)| 0))) (.cse2 (<= ~a7~0 0)) (.cse7 (not (<= |old(~a8~0)| 13)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse5) (or .cse1 (and .cse6 .cse2) (not (<= |old(~a16~0)| 4))) (or .cse0 (and .cse6 (<= 15 ~a8~0))) (or .cse3 .cse7 .cse4) (or .cse7 (and .cse6 (<= ~a8~0 13))) (or (and .cse6 (<= ~a17~0 0)) .cse5) (or .cse1 .cse2 .cse7))) [2020-07-21 20:06:48,700 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-21 20:06:48,700 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,700 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,701 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,701 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,701 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-21 20:06:48,701 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,701 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,701 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-21 20:06:48,701 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-21 20:06:48,701 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-21 20:06:48,701 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-21 20:06:48,702 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 20:06:48,702 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 20:06:48,702 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-21 20:06:48,702 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 20:06:48,702 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-21 20:06:48,702 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-21 20:06:48,702 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-21 20:06:48,702 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-21 20:06:48,702 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,702 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,703 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,703 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,703 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,703 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-21 20:06:48,703 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,703 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-21 20:06:48,703 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-21 20:06:48,703 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 20:06:48,703 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-21 20:06:48,704 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 20:06:48,704 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 20:06:48,704 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 20:06:48,704 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-21 20:06:48,704 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-21 20:06:48,704 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-21 20:06:48,704 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-21 20:06:48,704 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-21 20:06:48,704 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-21 20:06:48,705 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-21 20:06:48,705 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,705 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,705 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,705 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,705 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,705 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:06:48,705 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-21 20:06:48,705 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-21 20:06:48,705 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-21 20:06:48,706 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 20:06:48,706 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-21 20:06:48,706 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-21 20:06:48,706 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-21 20:06:48,706 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-21 20:06:48,706 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-21 20:06:48,706 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-21 20:06:48,706 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:06:48,707 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= 15 ~a8~0) (<= 5 ~a16~0)) [2020-07-21 20:06:48,707 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:06:48,707 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:06:48,707 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (and (<= ~a16~0 |old(~a16~0)|) (<= ~a7~0 0) (<= 15 ~a8~0) (<= 5 ~a16~0)) (not (<= 5 |old(~a16~0)|))) [2020-07-21 20:06:48,707 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-21 20:06:48,707 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (<= ~a17~0 0) (not (<= |old(~a7~0)| 0)) (<= 15 ~a8~0) (not (<= 5 |old(~a16~0)|)) (and (<= ~a7~0 0) (<= ~a16~0 4))) [2020-07-21 20:06:48,707 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-21 20:06:48,707 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 20:06:48,708 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (<= ~a17~0 0) (not (<= |old(~a7~0)| 0)) (<= 15 ~a8~0) (not (<= 5 |old(~a16~0)|)) (and (<= ~a7~0 0) (<= ~a16~0 4))) [2020-07-21 20:06:48,708 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-21 20:06:48,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:06:48 BoogieIcfgContainer [2020-07-21 20:06:48,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:06:48,729 INFO L168 Benchmark]: Toolchain (without parser) took 11603.95 ms. Allocated memory was 135.8 MB in the beginning and 408.4 MB in the end (delta: 272.6 MB). Free memory was 98.9 MB in the beginning and 291.6 MB in the end (delta: -192.7 MB). Peak memory consumption was 245.9 MB. Max. memory is 7.1 GB. [2020-07-21 20:06:48,730 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 135.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 20:06:48,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.70 ms. Allocated memory was 135.8 MB in the beginning and 202.9 MB in the end (delta: 67.1 MB). Free memory was 98.5 MB in the beginning and 168.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2020-07-21 20:06:48,732 INFO L168 Benchmark]: Boogie Preprocessor took 102.99 ms. Allocated memory is still 202.9 MB. Free memory was 168.3 MB in the beginning and 163.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-21 20:06:48,733 INFO L168 Benchmark]: RCFGBuilder took 1219.98 ms. Allocated memory was 202.9 MB in the beginning and 230.7 MB in the end (delta: 27.8 MB). Free memory was 163.1 MB in the beginning and 177.6 MB in the end (delta: -14.5 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2020-07-21 20:06:48,734 INFO L168 Benchmark]: TraceAbstraction took 9519.41 ms. Allocated memory was 230.7 MB in the beginning and 408.4 MB in the end (delta: 177.7 MB). Free memory was 176.1 MB in the beginning and 291.6 MB in the end (delta: -115.4 MB). Peak memory consumption was 228.3 MB. Max. memory is 7.1 GB. [2020-07-21 20:06:48,737 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 135.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.70 ms. Allocated memory was 135.8 MB in the beginning and 202.9 MB in the end (delta: 67.1 MB). Free memory was 98.5 MB in the beginning and 168.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.99 ms. Allocated memory is still 202.9 MB. Free memory was 168.3 MB in the beginning and 163.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.98 ms. Allocated memory was 202.9 MB in the beginning and 230.7 MB in the end (delta: 27.8 MB). Free memory was 163.1 MB in the beginning and 177.6 MB in the end (delta: -14.5 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9519.41 ms. Allocated memory was 230.7 MB in the beginning and 408.4 MB in the end (delta: 177.7 MB). Free memory was 176.1 MB in the beginning and 291.6 MB in the end (delta: -115.4 MB). Peak memory consumption was 228.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: 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: 583]: Loop Invariant Derived loop invariant: (((((a8 <= 13 || !(15 <= \old(a8))) || a17 <= 0) || !(\old(a7) <= 0)) || 15 <= a8) || !(5 <= \old(a16))) || (a7 <= 0 && a16 <= 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.6s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 613 SDtfs, 865 SDslu, 116 SDs, 0 SdLazy, 3087 SolverSat, 504 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1069 GetRequests, 1056 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2613occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 453 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 83 PreInvPairs, 135 NumberOfFragments, 223 HoareAnnotationTreeSize, 83 FomulaSimplifications, 1175 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 470 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 919 NumberOfCodeBlocks, 919 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1064 ConstructedInterpolants, 0 QuantifiedInterpolants, 367474 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2608 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 290/294 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...