/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_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:07:02,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 20:07:02,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 20:07:02,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 20:07:02,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 20:07:02,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 20:07:02,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 20:07:02,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 20:07:02,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 20:07:02,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 20:07:02,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 20:07:02,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 20:07:02,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:07:02,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:07:02,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:07:02,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:07:02,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:07:02,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:07:02,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:07:02,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:07:02,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:07:02,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:07:02,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:07:02,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:07:02,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 20:07:02,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:07:02,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:07:02,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:07:02,188 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 20:07:02,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:07:02,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:07:02,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:07:02,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:07:02,214 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:07:02,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:07:02,214 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:07:02,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:07:02,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:07:02,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:07:02,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:07:02,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:07:02,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:07:02,217 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:07:02,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:07:02,217 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:07:02,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:07:02,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:07:02,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:07:02,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:07:02,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:07:02,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:07:02,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:07:02,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:07:02,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:07:02,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:07:02,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:07:02,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:07:02,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:07:02,220 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 20:07:02,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:07:02,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:07:02,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:07:02,558 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:07:02,558 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:07:02,559 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label34.c [2020-07-21 20:07:02,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09be33299/d5a6063cd2844df4a71adcb69cd048e1/FLAG4a3dc7991 [2020-07-21 20:07:03,207 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:07:03,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label34.c [2020-07-21 20:07:03,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09be33299/d5a6063cd2844df4a71adcb69cd048e1/FLAG4a3dc7991 [2020-07-21 20:07:03,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09be33299/d5a6063cd2844df4a71adcb69cd048e1 [2020-07-21 20:07:03,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:07:03,495 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:07:03,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:07:03,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:07:03,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:07:03,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:07:03" (1/1) ... [2020-07-21 20:07:03,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd1c41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:03, skipping insertion in model container [2020-07-21 20:07:03,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:07:03" (1/1) ... [2020-07-21 20:07:03,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:07:03,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:07:04,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:07:04,136 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:07:04,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:07:04,244 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:07:04,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:04 WrapperNode [2020-07-21 20:07:04,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:07:04,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:07:04,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:07:04,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:07:04,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:04" (1/1) ... [2020-07-21 20:07:04,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:04" (1/1) ... [2020-07-21 20:07:04,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:04" (1/1) ... [2020-07-21 20:07:04,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:04" (1/1) ... [2020-07-21 20:07:04,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:04" (1/1) ... [2020-07-21 20:07:04,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:04" (1/1) ... [2020-07-21 20:07:04,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:04" (1/1) ... [2020-07-21 20:07:04,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:07:04,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:07:04,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:07:04,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:07:04,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:04" (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 20:07:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:07:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:07:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 20:07:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:07:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 20:07:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:07:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 20:07:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 20:07:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:07:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:07:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:07:05,683 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:07:05,684 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 20:07:05,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:07:05 BoogieIcfgContainer [2020-07-21 20:07:05,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:07:05,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:07:05,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:07:05,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:07:05,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:07:03" (1/3) ... [2020-07-21 20:07:05,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611c97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:07:05, skipping insertion in model container [2020-07-21 20:07:05,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:07:04" (2/3) ... [2020-07-21 20:07:05,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611c97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:07:05, skipping insertion in model container [2020-07-21 20:07:05,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:07:05" (3/3) ... [2020-07-21 20:07:05,711 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label34.c [2020-07-21 20:07:05,725 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:07:05,740 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:07:05,759 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:07:05,793 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:07:05,795 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:07:05,795 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:07:05,795 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:07:05,795 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:07:05,796 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:07:05,796 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:07:05,796 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:07:05,823 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-21 20:07:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-21 20:07:05,845 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:07:05,846 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] [2020-07-21 20:07:05,847 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:07:05,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:07:05,854 INFO L82 PathProgramCache]: Analyzing trace with hash -2059241649, now seen corresponding path program 1 times [2020-07-21 20:07:05,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:07:05,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037520569] [2020-07-21 20:07:05,864 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 20:07:06,106 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:07:06,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:07:06,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:07:06,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:07:06,211 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 20:07:06,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:07:06,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037520569] [2020-07-21 20:07:06,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:07:06,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:07:06,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749790601] [2020-07-21 20:07:06,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:07:06,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:07:06,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:07:06,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:07:06,237 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-21 20:07:07,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:07:07,140 INFO L93 Difference]: Finished difference Result 572 states and 963 transitions. [2020-07-21 20:07:07,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:07:07,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-21 20:07:07,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:07:07,172 INFO L225 Difference]: With dead ends: 572 [2020-07-21 20:07:07,172 INFO L226 Difference]: Without dead ends: 278 [2020-07-21 20:07:07,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 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 20:07:07,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-21 20:07:07,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-21 20:07:07,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-21 20:07:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2020-07-21 20:07:07,257 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 111 [2020-07-21 20:07:07,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:07:07,258 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2020-07-21 20:07:07,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:07:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2020-07-21 20:07:07,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-21 20:07:07,263 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:07:07,263 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] [2020-07-21 20:07:07,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:07:07,477 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:07:07,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:07:07,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1625964328, now seen corresponding path program 1 times [2020-07-21 20:07:07,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:07:07,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951147330] [2020-07-21 20:07:07,479 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 20:07:07,601 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:07:07,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:07:07,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:07:07,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:07:07,666 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 20:07:07,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:07:07,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951147330] [2020-07-21 20:07:07,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:07:07,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:07:07,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609122234] [2020-07-21 20:07:07,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:07:07,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:07:07,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:07:07,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:07:07,671 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 3 states. [2020-07-21 20:07:08,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:07:08,231 INFO L93 Difference]: Finished difference Result 820 states and 1181 transitions. [2020-07-21 20:07:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:07:08,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-07-21 20:07:08,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:07:08,239 INFO L225 Difference]: With dead ends: 820 [2020-07-21 20:07:08,239 INFO L226 Difference]: Without dead ends: 548 [2020-07-21 20:07:08,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 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 20:07:08,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-07-21 20:07:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2020-07-21 20:07:08,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-07-21 20:07:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 734 transitions. [2020-07-21 20:07:08,296 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 734 transitions. Word has length 121 [2020-07-21 20:07:08,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:07:08,297 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 734 transitions. [2020-07-21 20:07:08,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:07:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 734 transitions. [2020-07-21 20:07:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-21 20:07:08,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:07:08,303 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 20:07:08,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:07:08,511 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:07:08,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:07:08,512 INFO L82 PathProgramCache]: Analyzing trace with hash 2111710430, now seen corresponding path program 1 times [2020-07-21 20:07:08,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:07:08,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2876117] [2020-07-21 20:07:08,514 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 20:07:08,621 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:07:08,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:07:08,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:07:08,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:07:08,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:07:08,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:07:08,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2876117] [2020-07-21 20:07:08,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:07:08,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:07:08,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076286039] [2020-07-21 20:07:08,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:07:08,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:07:08,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:07:08,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:07:08,689 INFO L87 Difference]: Start difference. First operand 548 states and 734 transitions. Second operand 3 states. [2020-07-21 20:07:09,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:07:09,296 INFO L93 Difference]: Finished difference Result 1360 states and 1853 transitions. [2020-07-21 20:07:09,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:07:09,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-21 20:07:09,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:07:09,305 INFO L225 Difference]: With dead ends: 1360 [2020-07-21 20:07:09,305 INFO L226 Difference]: Without dead ends: 818 [2020-07-21 20:07:09,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 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 20:07:09,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2020-07-21 20:07:09,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 818. [2020-07-21 20:07:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-07-21 20:07:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1060 transitions. [2020-07-21 20:07:09,336 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1060 transitions. Word has length 126 [2020-07-21 20:07:09,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:07:09,336 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 1060 transitions. [2020-07-21 20:07:09,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:07:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1060 transitions. [2020-07-21 20:07:09,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-21 20:07:09,341 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:07:09,342 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 20:07:09,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:07:09,557 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:07:09,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:07:09,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1915329107, now seen corresponding path program 1 times [2020-07-21 20:07:09,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:07:09,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108214986] [2020-07-21 20:07:09,560 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 20:07:09,670 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:07:09,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:07:09,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:07:09,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:07:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:07:09,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:07:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:07:09,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108214986] [2020-07-21 20:07:09,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:07:09,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 20:07:09,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186765608] [2020-07-21 20:07:09,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 20:07:09,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:07:09,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 20:07:09,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 20:07:09,871 INFO L87 Difference]: Start difference. First operand 818 states and 1060 transitions. Second operand 8 states. [2020-07-21 20:07:11,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:07:11,988 INFO L93 Difference]: Finished difference Result 3084 states and 4287 transitions. [2020-07-21 20:07:11,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 20:07:11,989 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2020-07-21 20:07:11,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:07:12,007 INFO L225 Difference]: With dead ends: 3084 [2020-07-21 20:07:12,008 INFO L226 Difference]: Without dead ends: 2272 [2020-07-21 20:07:12,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-07-21 20:07:12,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2020-07-21 20:07:12,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2065. [2020-07-21 20:07:12,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2065 states. [2020-07-21 20:07:12,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 2572 transitions. [2020-07-21 20:07:12,101 INFO L78 Accepts]: Start accepts. Automaton has 2065 states and 2572 transitions. Word has length 137 [2020-07-21 20:07:12,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:07:12,101 INFO L479 AbstractCegarLoop]: Abstraction has 2065 states and 2572 transitions. [2020-07-21 20:07:12,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 20:07:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 2572 transitions. [2020-07-21 20:07:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 20:07:12,109 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:07:12,109 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:07:12,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:07:12,325 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:07:12,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:07:12,326 INFO L82 PathProgramCache]: Analyzing trace with hash 913895867, now seen corresponding path program 1 times [2020-07-21 20:07:12,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:07:12,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1844883907] [2020-07-21 20:07:12,326 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 20:07:12,443 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:07:12,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:07:12,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:07:12,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:07:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 20:07:12,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:07:12,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1844883907] [2020-07-21 20:07:12,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:07:12,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:07:12,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177106267] [2020-07-21 20:07:12,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:07:12,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:07:12,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:07:12,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:07:12,523 INFO L87 Difference]: Start difference. First operand 2065 states and 2572 transitions. Second operand 3 states. [2020-07-21 20:07:13,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:07:13,173 INFO L93 Difference]: Finished difference Result 4662 states and 5913 transitions. [2020-07-21 20:07:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:07:13,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-07-21 20:07:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:07:13,196 INFO L225 Difference]: With dead ends: 4662 [2020-07-21 20:07:13,196 INFO L226 Difference]: Without dead ends: 2607 [2020-07-21 20:07:13,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:07:13,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2607 states. [2020-07-21 20:07:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2607 to 2607. [2020-07-21 20:07:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2607 states. [2020-07-21 20:07:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2607 states and 3333 transitions. [2020-07-21 20:07:13,302 INFO L78 Accepts]: Start accepts. Automaton has 2607 states and 3333 transitions. Word has length 146 [2020-07-21 20:07:13,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:07:13,304 INFO L479 AbstractCegarLoop]: Abstraction has 2607 states and 3333 transitions. [2020-07-21 20:07:13,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:07:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 3333 transitions. [2020-07-21 20:07:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-21 20:07:13,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:07:13,319 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 20:07:13,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:07:13,534 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:07:13,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:07:13,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1619320954, now seen corresponding path program 1 times [2020-07-21 20:07:13,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:07:13,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769589362] [2020-07-21 20:07:13,535 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 20:07:13,659 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:07:13,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:07:13,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 20:07:13,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:07:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 20:07:13,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:07:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 20:07:13,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769589362] [2020-07-21 20:07:13,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:07:13,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 20:07:13,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351584382] [2020-07-21 20:07:13,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 20:07:13,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:07:13,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 20:07:13,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:07:13,826 INFO L87 Difference]: Start difference. First operand 2607 states and 3333 transitions. Second operand 7 states. [2020-07-21 20:07:15,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:07:15,113 INFO L93 Difference]: Finished difference Result 4869 states and 6253 transitions. [2020-07-21 20:07:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 20:07:15,114 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 165 [2020-07-21 20:07:15,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:07:15,115 INFO L225 Difference]: With dead ends: 4869 [2020-07-21 20:07:15,115 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:07:15,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 20:07:15,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:07:15,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:07:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:07:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:07:15,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-07-21 20:07:15,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:07:15,134 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:07:15,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 20:07:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:07:15,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:07:15,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:07:15,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:07:15,973 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-07-21 20:07:16,015 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:07:16,015 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|)) [2020-07-21 20:07:16,015 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:07:16,015 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-21 20:07:16,015 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-21 20:07:16,015 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,016 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,016 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,016 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,016 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,016 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,016 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-21 20:07:16,017 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-21 20:07:16,017 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-21 20:07:16,017 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-21 20:07:16,017 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 20:07:16,017 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 20:07:16,018 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 20:07:16,018 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-21 20:07:16,018 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-21 20:07:16,018 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-21 20:07:16,018 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,019 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,019 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,019 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,019 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,019 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,019 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-21 20:07:16,019 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-21 20:07:16,020 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-21 20:07:16,020 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-21 20:07:16,020 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 20:07:16,020 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-21 20:07:16,020 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-21 20:07:16,020 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-21 20:07:16,020 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-21 20:07:16,020 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-21 20:07:16,021 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-21 20:07:16,021 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2020-07-21 20:07:16,021 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-21 20:07:16,021 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-21 20:07:16,021 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-21 20:07:16,021 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-21 20:07:16,021 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,021 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,021 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,022 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,022 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,022 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-21 20:07:16,022 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-21 20:07:16,022 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-21 20:07:16,022 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-21 20:07:16,022 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-21 20:07:16,022 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 20:07:16,022 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-21 20:07:16,022 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-21 20:07:16,023 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-21 20:07:16,023 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,023 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,023 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,023 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,023 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,023 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-21 20:07:16,023 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-21 20:07:16,024 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-21 20:07:16,024 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 20:07:16,024 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-21 20:07:16,024 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 20:07:16,024 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-21 20:07:16,024 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-21 20:07:16,024 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-21 20:07:16,025 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-21 20:07:16,025 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-21 20:07:16,025 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-21 20:07:16,025 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-21 20:07:16,025 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,025 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,025 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,026 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,026 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,026 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-21 20:07:16,026 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-21 20:07:16,026 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-21 20:07:16,026 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-21 20:07:16,026 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-21 20:07:16,027 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 20:07:16,027 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-21 20:07:16,027 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-21 20:07:16,027 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-21 20:07:16,027 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,027 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,027 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,028 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,028 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,028 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,028 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-21 20:07:16,028 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,028 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-21 20:07:16,028 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-21 20:07:16,028 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-21 20:07:16,029 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-21 20:07:16,029 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 20:07:16,029 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 20:07:16,029 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-21 20:07:16,029 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-21 20:07:16,029 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-21 20:07:16,030 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-21 20:07:16,030 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-21 20:07:16,030 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-21 20:07:16,030 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-21 20:07:16,030 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,030 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,030 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,031 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,031 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,031 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-21 20:07:16,031 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-21 20:07:16,031 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-21 20:07:16,031 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 20:07:16,031 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 20:07:16,032 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-21 20:07:16,032 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-21 20:07:16,032 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-21 20:07:16,032 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,032 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,032 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,032 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,033 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,033 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-21 20:07:16,033 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-21 20:07:16,033 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-21 20:07:16,033 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-21 20:07:16,033 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-21 20:07:16,033 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-21 20:07:16,033 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 20:07:16,034 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 20:07:16,034 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-21 20:07:16,034 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-21 20:07:16,034 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse6 (= 1 ~a7~0)) (.cse5 (<= ~a8~0 |old(~a8~0)|)) (.cse8 (not (<= |old(~a8~0)| 13))) (.cse3 (not (= 1 |old(~a7~0)|))) (.cse1 (not (<= |old(~a16~0)| 4))) (.cse2 (<= ~a16~0 4)) (.cse0 (not (<= |old(~a7~0)| 0))) (.cse4 (not (<= |old(~a16~0)| 5))) (.cse7 (<= ~a16~0 5))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (and .cse5 .cse6 .cse7)) (or .cse3 (and .cse5 .cse6) .cse8) (or .cse0 (and .cse5 (= ~a7~0 |old(~a7~0)|))) (or (<= ~a21~0 0) (not (<= |old(~a21~0)| 0)) .cse3 .cse8) (or .cse3 .cse1 .cse2) (or (not (<= 15 |old(~a8~0)|)) .cse0 (<= 15 ~a8~0)) (or .cse0 .cse4 .cse7))) [2020-07-21 20:07:16,034 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-21 20:07:16,035 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,035 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,035 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,035 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,035 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-21 20:07:16,035 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,035 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,035 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-21 20:07:16,036 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-21 20:07:16,036 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-21 20:07:16,036 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-21 20:07:16,036 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 20:07:16,036 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 20:07:16,036 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-21 20:07:16,036 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 20:07:16,036 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-21 20:07:16,037 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-21 20:07:16,037 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-21 20:07:16,037 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-21 20:07:16,037 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,037 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,037 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,037 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,037 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,038 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-21 20:07:16,038 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,038 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-21 20:07:16,038 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-21 20:07:16,038 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 20:07:16,038 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-21 20:07:16,038 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 20:07:16,039 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 20:07:16,039 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 20:07:16,039 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-21 20:07:16,039 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-21 20:07:16,039 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-21 20:07:16,039 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-21 20:07:16,039 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-21 20:07:16,040 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-21 20:07:16,040 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-21 20:07:16,040 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,040 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,040 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,040 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,040 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,041 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 20:07:16,041 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-21 20:07:16,041 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-21 20:07:16,041 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-21 20:07:16,041 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 20:07:16,041 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-21 20:07:16,041 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-21 20:07:16,041 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-21 20:07:16,042 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-21 20:07:16,042 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-21 20:07:16,042 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-21 20:07:16,042 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:07:16,042 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5)) [2020-07-21 20:07:16,042 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:07:16,042 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:07:16,042 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (<= ~a16~0 5))) [2020-07-21 20:07:16,043 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-21 20:07:16,043 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0))) (or (and .cse0 (<= ~a16~0 5)) (<= ~a7~0 0) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and (<= ~a8~0 13) .cse0))) [2020-07-21 20:07:16,043 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-21 20:07:16,043 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 20:07:16,043 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0))) (or (and .cse0 (<= ~a16~0 5)) (<= ~a7~0 0) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and (<= ~a8~0 13) .cse0))) [2020-07-21 20:07:16,043 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-21 20:07:16,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:07:16 BoogieIcfgContainer [2020-07-21 20:07:16,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:07:16,068 INFO L168 Benchmark]: Toolchain (without parser) took 12574.77 ms. Allocated memory was 138.4 MB in the beginning and 378.0 MB in the end (delta: 239.6 MB). Free memory was 100.3 MB in the beginning and 271.8 MB in the end (delta: -171.4 MB). Peak memory consumption was 256.5 MB. Max. memory is 7.1 GB. [2020-07-21 20:07:16,069 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 20:07:16,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.05 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 99.9 MB in the beginning and 170.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-07-21 20:07:16,070 INFO L168 Benchmark]: Boogie Preprocessor took 114.31 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 164.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-07-21 20:07:16,071 INFO L168 Benchmark]: RCFGBuilder took 1338.46 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 164.8 MB in the beginning and 179.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-21 20:07:16,072 INFO L168 Benchmark]: TraceAbstraction took 10364.76 ms. Allocated memory was 237.0 MB in the beginning and 378.0 MB in the end (delta: 141.0 MB). Free memory was 179.5 MB in the beginning and 271.8 MB in the end (delta: -92.3 MB). Peak memory consumption was 237.1 MB. Max. memory is 7.1 GB. [2020-07-21 20:07:16,075 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.05 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 99.9 MB in the beginning and 170.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.31 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 164.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1338.46 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 164.8 MB in the beginning and 179.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10364.76 ms. Allocated memory was 237.0 MB in the beginning and 378.0 MB in the end (delta: 141.0 MB). Free memory was 179.5 MB in the beginning and 271.8 MB in the end (delta: -92.3 MB). Peak memory consumption was 237.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 491]: 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: ((((1 == a7 && a16 <= 5) || a7 <= 0) || !(\old(a7) <= 0)) || !(\old(a16) <= 5)) || (a8 <= 13 && 1 == a7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.5s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 585 SDtfs, 1476 SDslu, 191 SDs, 0 SdLazy, 4331 SolverSat, 716 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1114 GetRequests, 1093 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2607occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 207 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 85 PreInvPairs, 155 NumberOfFragments, 198 HoareAnnotationTreeSize, 85 FomulaSimplifications, 1882 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 806 NumberOfCodeBlocks, 806 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1100 ConstructedInterpolants, 0 QuantifiedInterpolants, 303878 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2366 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 303/311 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...