/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 14:08:13,250 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 14:08:13,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 14:08:13,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 14:08:13,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 14:08:13,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 14:08:13,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 14:08:13,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 14:08:13,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 14:08:13,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 14:08:13,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 14:08:13,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 14:08:13,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 14:08:13,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 14:08:13,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 14:08:13,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 14:08:13,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 14:08:13,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 14:08:13,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 14:08:13,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 14:08:13,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 14:08:13,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 14:08:13,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 14:08:13,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 14:08:13,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 14:08:13,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 14:08:13,303 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 [2020-07-20 14:08:13,318 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 14:08:13,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 14:08:13,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 14:08:13,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 14:08:13,323 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 14:08:13,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 14:08:13,323 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 14:08:13,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 14:08:13,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 14:08:13,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 14:08:13,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 14:08:13,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 14:08:13,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 14:08:13,325 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 14:08:13,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 14:08:13,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 14:08:13,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 14:08:13,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 14:08:13,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 14:08:13,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 14:08:13,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 14:08:13,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:08:13,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 14:08:13,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 14:08:13,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 14:08:13,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 14:08:13,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:13,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 14:08:13,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 14:08:13,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 14:08:13,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 14:08:13,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 14:08:13,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 14:08:13,626 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 14:08:13,627 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 14:08:13,628 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-07-20 14:08:13,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dab94c53c/2071b0b9b61842a982a58faebdf03ca7/FLAGbf0f2a92d [2020-07-20 14:08:14,336 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 14:08:14,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-07-20 14:08:14,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dab94c53c/2071b0b9b61842a982a58faebdf03ca7/FLAGbf0f2a92d [2020-07-20 14:08:14,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dab94c53c/2071b0b9b61842a982a58faebdf03ca7 [2020-07-20 14:08:14,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 14:08:14,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 14:08:14,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 14:08:14,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 14:08:14,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 14:08:14,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:08:14" (1/1) ... [2020-07-20 14:08:14,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8201e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:14, skipping insertion in model container [2020-07-20 14:08:14,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:08:14" (1/1) ... [2020-07-20 14:08:14,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 14:08:14,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 14:08:15,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:08:15,088 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 14:08:15,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:08:15,353 INFO L208 MainTranslator]: Completed translation [2020-07-20 14:08:15,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:15 WrapperNode [2020-07-20 14:08:15,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 14:08:15,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 14:08:15,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 14:08:15,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 14:08:15,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:15" (1/1) ... [2020-07-20 14:08:15,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:15" (1/1) ... [2020-07-20 14:08:15,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:15" (1/1) ... [2020-07-20 14:08:15,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:15" (1/1) ... [2020-07-20 14:08:15,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:15" (1/1) ... [2020-07-20 14:08:15,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:15" (1/1) ... [2020-07-20 14:08:15,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:15" (1/1) ... [2020-07-20 14:08:15,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 14:08:15,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 14:08:15,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 14:08:15,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 14:08:15,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:15" (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 [2020-07-20 14:08:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 14:08:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 14:08:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 14:08:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 14:08:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 14:08:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 14:08:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 14:08:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 14:08:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 14:08:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 14:08:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 14:08:16,701 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 14:08:16,702 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 14:08:16,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:08:16 BoogieIcfgContainer [2020-07-20 14:08:16,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 14:08:16,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 14:08:16,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 14:08:16,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 14:08:16,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:08:14" (1/3) ... [2020-07-20 14:08:16,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37519ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:08:16, skipping insertion in model container [2020-07-20 14:08:16,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:15" (2/3) ... [2020-07-20 14:08:16,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37519ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:08:16, skipping insertion in model container [2020-07-20 14:08:16,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:08:16" (3/3) ... [2020-07-20 14:08:16,724 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-07-20 14:08:16,735 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 14:08:16,744 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 14:08:16,758 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 14:08:16,785 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 14:08:16,785 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 14:08:16,785 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 14:08:16,785 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 14:08:16,786 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 14:08:16,786 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 14:08:16,786 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 14:08:16,786 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 14:08:16,808 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 14:08:16,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-20 14:08:16,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:08:16,822 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] [2020-07-20 14:08:16,823 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:08:16,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:08:16,828 INFO L82 PathProgramCache]: Analyzing trace with hash -777531634, now seen corresponding path program 1 times [2020-07-20 14:08:16,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:08:16,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855192491] [2020-07-20 14:08:16,837 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:17,103 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:08:17,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:08:17,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:08:17,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:08:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:08:17,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:08:17,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855192491] [2020-07-20 14:08:17,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:08:17,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:08:17,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338686196] [2020-07-20 14:08:17,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:08:17,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:08:17,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:08:17,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:08:17,248 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 14:08:18,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:08:18,187 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-20 14:08:18,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:08:18,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-07-20 14:08:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:08:18,206 INFO L225 Difference]: With dead ends: 619 [2020-07-20 14:08:18,207 INFO L226 Difference]: Without dead ends: 321 [2020-07-20 14:08:18,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:08:18,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-20 14:08:18,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-20 14:08:18,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 14:08:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-20 14:08:18,284 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 110 [2020-07-20 14:08:18,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:08:18,285 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-20 14:08:18,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:08:18,286 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-20 14:08:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-20 14:08:18,291 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:08:18,291 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:08:18,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:18,506 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:08:18,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:08:18,507 INFO L82 PathProgramCache]: Analyzing trace with hash -518810049, now seen corresponding path program 1 times [2020-07-20 14:08:18,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:08:18,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591310515] [2020-07-20 14:08:18,509 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:18,616 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:08:18,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:08:18,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:08:18,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:08:18,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:08:18,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:08:18,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591310515] [2020-07-20 14:08:18,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:08:18,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:08:18,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039380735] [2020-07-20 14:08:18,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:08:18,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:08:18,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:08:18,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:08:18,668 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 3 states. [2020-07-20 14:08:19,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:08:19,298 INFO L93 Difference]: Finished difference Result 782 states and 1068 transitions. [2020-07-20 14:08:19,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:08:19,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-07-20 14:08:19,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:08:19,305 INFO L225 Difference]: With dead ends: 782 [2020-07-20 14:08:19,305 INFO L226 Difference]: Without dead ends: 469 [2020-07-20 14:08:19,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:08:19,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-20 14:08:19,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2020-07-20 14:08:19,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-07-20 14:08:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 600 transitions. [2020-07-20 14:08:19,370 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 600 transitions. Word has length 119 [2020-07-20 14:08:19,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:08:19,372 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 600 transitions. [2020-07-20 14:08:19,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:08:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 600 transitions. [2020-07-20 14:08:19,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-20 14:08:19,381 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:08:19,383 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 14:08:19,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:19,585 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:08:19,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:08:19,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1290355991, now seen corresponding path program 1 times [2020-07-20 14:08:19,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:08:19,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150532211] [2020-07-20 14:08:19,587 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:19,711 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:08:19,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:08:19,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 14:08:19,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:08:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 14:08:19,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:08:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 14:08:19,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150532211] [2020-07-20 14:08:19,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 14:08:19,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2020-07-20 14:08:19,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097852404] [2020-07-20 14:08:19,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 14:08:19,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:08:19,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 14:08:19,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:08:19,910 INFO L87 Difference]: Start difference. First operand 469 states and 600 transitions. Second operand 4 states. [2020-07-20 14:08:20,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:08:20,669 INFO L93 Difference]: Finished difference Result 1386 states and 1800 transitions. [2020-07-20 14:08:20,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 14:08:20,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-07-20 14:08:20,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:08:20,678 INFO L225 Difference]: With dead ends: 1386 [2020-07-20 14:08:20,678 INFO L226 Difference]: Without dead ends: 923 [2020-07-20 14:08:20,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 254 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:08:20,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-07-20 14:08:20,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 923. [2020-07-20 14:08:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2020-07-20 14:08:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1177 transitions. [2020-07-20 14:08:20,714 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1177 transitions. Word has length 131 [2020-07-20 14:08:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:08:20,714 INFO L479 AbstractCegarLoop]: Abstraction has 923 states and 1177 transitions. [2020-07-20 14:08:20,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 14:08:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1177 transitions. [2020-07-20 14:08:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-20 14:08:20,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:08:20,719 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-07-20 14:08:20,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:20,933 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:08:20,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:08:20,934 INFO L82 PathProgramCache]: Analyzing trace with hash 379297220, now seen corresponding path program 1 times [2020-07-20 14:08:20,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:08:20,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301118281] [2020-07-20 14:08:20,935 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:21,084 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:08:21,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:08:21,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:08:21,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:08:21,130 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 14:08:21,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:08:21,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301118281] [2020-07-20 14:08:21,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:08:21,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:08:21,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137757925] [2020-07-20 14:08:21,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:08:21,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:08:21,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:08:21,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:08:21,133 INFO L87 Difference]: Start difference. First operand 923 states and 1177 transitions. Second operand 3 states. [2020-07-20 14:08:21,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:08:21,766 INFO L93 Difference]: Finished difference Result 2130 states and 2809 transitions. [2020-07-20 14:08:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:08:21,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-20 14:08:21,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:08:21,773 INFO L225 Difference]: With dead ends: 2130 [2020-07-20 14:08:21,773 INFO L226 Difference]: Without dead ends: 1213 [2020-07-20 14:08:21,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:08:21,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-07-20 14:08:21,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1211. [2020-07-20 14:08:21,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1211 states. [2020-07-20 14:08:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1581 transitions. [2020-07-20 14:08:21,810 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1581 transitions. Word has length 139 [2020-07-20 14:08:21,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:08:21,811 INFO L479 AbstractCegarLoop]: Abstraction has 1211 states and 1581 transitions. [2020-07-20 14:08:21,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:08:21,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1581 transitions. [2020-07-20 14:08:21,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 14:08:21,815 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:08:21,815 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-07-20 14:08:22,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:22,029 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:08:22,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:08:22,030 INFO L82 PathProgramCache]: Analyzing trace with hash 2035563450, now seen corresponding path program 1 times [2020-07-20 14:08:22,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:08:22,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626737724] [2020-07-20 14:08:22,032 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-20 14:08:22,135 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:08:22,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:08:22,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 14:08:22,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:08:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 14:08:22,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:08:22,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626737724] [2020-07-20 14:08:22,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:08:22,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 14:08:22,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059295511] [2020-07-20 14:08:22,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 14:08:22,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:08:22,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 14:08:22,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:08:22,215 INFO L87 Difference]: Start difference. First operand 1211 states and 1581 transitions. Second operand 5 states. [2020-07-20 14:08:23,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:08:23,242 INFO L93 Difference]: Finished difference Result 3660 states and 5049 transitions. [2020-07-20 14:08:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 14:08:23,242 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-07-20 14:08:23,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:08:23,257 INFO L225 Difference]: With dead ends: 3660 [2020-07-20 14:08:23,257 INFO L226 Difference]: Without dead ends: 2455 [2020-07-20 14:08:23,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:08:23,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2020-07-20 14:08:23,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 2423. [2020-07-20 14:08:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2423 states. [2020-07-20 14:08:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 3126 transitions. [2020-07-20 14:08:23,337 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 3126 transitions. Word has length 145 [2020-07-20 14:08:23,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:08:23,338 INFO L479 AbstractCegarLoop]: Abstraction has 2423 states and 3126 transitions. [2020-07-20 14:08:23,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 14:08:23,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 3126 transitions. [2020-07-20 14:08:23,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-20 14:08:23,346 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:08:23,346 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-07-20 14:08:23,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:23,562 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:08:23,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:08:23,563 INFO L82 PathProgramCache]: Analyzing trace with hash -553887348, now seen corresponding path program 1 times [2020-07-20 14:08:23,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:08:23,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927339222] [2020-07-20 14:08:23,565 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-20 14:08:23,701 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:08:23,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:08:23,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:08:23,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:08:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 14:08:23,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:08:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 14:08:23,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927339222] [2020-07-20 14:08:23,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:08:23,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 14:08:23,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20478199] [2020-07-20 14:08:23,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 14:08:23,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:08:23,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 14:08:23,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:08:23,899 INFO L87 Difference]: Start difference. First operand 2423 states and 3126 transitions. Second operand 6 states. [2020-07-20 14:08:24,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:08:24,792 INFO L93 Difference]: Finished difference Result 5334 states and 6896 transitions. [2020-07-20 14:08:24,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 14:08:24,793 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2020-07-20 14:08:24,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:08:24,810 INFO L225 Difference]: With dead ends: 5334 [2020-07-20 14:08:24,811 INFO L226 Difference]: Without dead ends: 2608 [2020-07-20 14:08:24,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 332 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 14:08:24,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2020-07-20 14:08:24,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2600. [2020-07-20 14:08:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2600 states. [2020-07-20 14:08:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 3064 transitions. [2020-07-20 14:08:24,890 INFO L78 Accepts]: Start accepts. Automaton has 2600 states and 3064 transitions. Word has length 168 [2020-07-20 14:08:24,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:08:24,890 INFO L479 AbstractCegarLoop]: Abstraction has 2600 states and 3064 transitions. [2020-07-20 14:08:24,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 14:08:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3064 transitions. [2020-07-20 14:08:24,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 14:08:24,898 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:08:24,898 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2020-07-20 14:08:25,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:25,114 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:08:25,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:08:25,114 INFO L82 PathProgramCache]: Analyzing trace with hash 496219156, now seen corresponding path program 1 times [2020-07-20 14:08:25,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:08:25,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428471885] [2020-07-20 14:08:25,116 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:25,269 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:08:25,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:08:25,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 14:08:25,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:08:25,333 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 14:08:25,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:08:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 66 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 14:08:25,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428471885] [2020-07-20 14:08:25,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:08:25,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 14:08:25,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839746654] [2020-07-20 14:08:25,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 14:08:25,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:08:25,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 14:08:25,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:08:25,414 INFO L87 Difference]: Start difference. First operand 2600 states and 3064 transitions. Second operand 7 states. [2020-07-20 14:08:26,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:08:26,691 INFO L93 Difference]: Finished difference Result 7158 states and 8401 transitions. [2020-07-20 14:08:26,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 14:08:26,691 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2020-07-20 14:08:26,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:08:26,713 INFO L225 Difference]: With dead ends: 7158 [2020-07-20 14:08:26,714 INFO L226 Difference]: Without dead ends: 4412 [2020-07-20 14:08:26,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-20 14:08:26,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4412 states. [2020-07-20 14:08:26,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4412 to 4403. [2020-07-20 14:08:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4403 states. [2020-07-20 14:08:26,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 4403 states and 5049 transitions. [2020-07-20 14:08:26,856 INFO L78 Accepts]: Start accepts. Automaton has 4403 states and 5049 transitions. Word has length 172 [2020-07-20 14:08:26,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:08:26,857 INFO L479 AbstractCegarLoop]: Abstraction has 4403 states and 5049 transitions. [2020-07-20 14:08:26,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 14:08:26,857 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 5049 transitions. [2020-07-20 14:08:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-07-20 14:08:26,870 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:08:26,870 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:08:27,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:27,072 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:08:27,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:08:27,072 INFO L82 PathProgramCache]: Analyzing trace with hash -2088565163, now seen corresponding path program 1 times [2020-07-20 14:08:27,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:08:27,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77639955] [2020-07-20 14:08:27,073 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:27,211 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:08:27,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:08:27,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:08:27,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:08:27,263 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-20 14:08:27,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:08:27,385 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 138 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-07-20 14:08:27,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77639955] [2020-07-20 14:08:27,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:08:27,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 14:08:27,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613553189] [2020-07-20 14:08:27,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 14:08:27,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:08:27,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 14:08:27,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:08:27,387 INFO L87 Difference]: Start difference. First operand 4403 states and 5049 transitions. Second operand 7 states. [2020-07-20 14:08:28,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:08:28,658 INFO L93 Difference]: Finished difference Result 9201 states and 10570 transitions. [2020-07-20 14:08:28,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 14:08:28,659 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-07-20 14:08:28,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:08:28,681 INFO L225 Difference]: With dead ends: 9201 [2020-07-20 14:08:28,681 INFO L226 Difference]: Without dead ends: 3920 [2020-07-20 14:08:28,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 435 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 14:08:28,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2020-07-20 14:08:28,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3920. [2020-07-20 14:08:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-07-20 14:08:28,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4347 transitions. [2020-07-20 14:08:28,783 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4347 transitions. Word has length 220 [2020-07-20 14:08:28,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:08:28,784 INFO L479 AbstractCegarLoop]: Abstraction has 3920 states and 4347 transitions. [2020-07-20 14:08:28,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 14:08:28,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4347 transitions. [2020-07-20 14:08:28,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-20 14:08:28,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:08:28,795 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2020-07-20 14:08:29,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:29,009 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:08:29,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:08:29,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1817129599, now seen corresponding path program 1 times [2020-07-20 14:08:29,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:08:29,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247105934] [2020-07-20 14:08:29,012 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:29,166 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:08:29,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:08:29,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:08:29,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:08:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-07-20 14:08:29,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:08:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 147 proven. 26 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-07-20 14:08:29,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247105934] [2020-07-20 14:08:29,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:08:29,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 14:08:29,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283177432] [2020-07-20 14:08:29,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 14:08:29,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:08:29,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 14:08:29,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:08:29,411 INFO L87 Difference]: Start difference. First operand 3920 states and 4347 transitions. Second operand 7 states. [2020-07-20 14:08:29,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:08:29,915 INFO L93 Difference]: Finished difference Result 6785 states and 7551 transitions. [2020-07-20 14:08:29,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 14:08:29,916 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-07-20 14:08:29,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:08:29,928 INFO L225 Difference]: With dead ends: 6785 [2020-07-20 14:08:29,929 INFO L226 Difference]: Without dead ends: 3159 [2020-07-20 14:08:29,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 462 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 14:08:29,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2020-07-20 14:08:30,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 3013. [2020-07-20 14:08:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3013 states. [2020-07-20 14:08:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 3275 transitions. [2020-07-20 14:08:30,008 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 3275 transitions. Word has length 234 [2020-07-20 14:08:30,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:08:30,009 INFO L479 AbstractCegarLoop]: Abstraction has 3013 states and 3275 transitions. [2020-07-20 14:08:30,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 14:08:30,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 3275 transitions. [2020-07-20 14:08:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-07-20 14:08:30,017 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:08:30,018 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:08:30,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:30,232 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:08:30,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:08:30,232 INFO L82 PathProgramCache]: Analyzing trace with hash 56924203, now seen corresponding path program 1 times [2020-07-20 14:08:30,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:08:30,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [237286683] [2020-07-20 14:08:30,233 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:30,375 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:08:30,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:08:30,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 14:08:30,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:08:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-07-20 14:08:30,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:08:30,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [237286683] [2020-07-20 14:08:30,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:08:30,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:08:30,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823460926] [2020-07-20 14:08:30,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:08:30,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:08:30,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:08:30,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:08:30,421 INFO L87 Difference]: Start difference. First operand 3013 states and 3275 transitions. Second operand 3 states. [2020-07-20 14:08:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:08:30,927 INFO L93 Difference]: Finished difference Result 4803 states and 5215 transitions. [2020-07-20 14:08:30,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:08:30,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2020-07-20 14:08:30,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:08:30,928 INFO L225 Difference]: With dead ends: 4803 [2020-07-20 14:08:30,928 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 14:08:30,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:08:30,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 14:08:30,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 14:08:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 14:08:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 14:08:30,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2020-07-20 14:08:30,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:08:30,939 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 14:08:30,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:08:30,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 14:08:30,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 14:08:31,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:08:31,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 14:08:33,085 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2020-07-20 14:08:33,424 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-07-20 14:08:33,762 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-07-20 14:08:33,766 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:08:33,766 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|)) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2020-07-20 14:08:33,766 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:08:33,766 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,766 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,766 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,767 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,767 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,767 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 14:08:33,767 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 14:08:33,767 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 14:08:33,767 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 14:08:33,768 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 14:08:33,768 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 14:08:33,768 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 14:08:33,768 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 14:08:33,768 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 14:08:33,768 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 14:08:33,768 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 14:08:33,768 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 14:08:33,769 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 14:08:33,770 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 14:08:33,770 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 14:08:33,770 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 14:08:33,770 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 14:08:33,770 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 14:08:33,770 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 14:08:33,770 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 14:08:33,770 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 14:08:33,770 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 14:08:33,771 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 14:08:33,771 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,771 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,771 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,771 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,771 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,771 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 484) no Hoare annotation was computed. [2020-07-20 14:08:33,771 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 14:08:33,772 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 14:08:33,772 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 14:08:33,772 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 14:08:33,772 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 14:08:33,772 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 14:08:33,772 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 14:08:33,772 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 14:08:33,772 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 14:08:33,772 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 14:08:33,773 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 14:08:33,773 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,773 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,773 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,773 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,773 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,773 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 14:08:33,773 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 14:08:33,774 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 14:08:33,775 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,775 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,775 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,775 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,775 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,775 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 14:08:33,775 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 14:08:33,775 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 14:08:33,775 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 14:08:33,776 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 14:08:33,777 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,778 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,779 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 14:08:33,780 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 14:08:33,781 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 14:08:33,781 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 14:08:33,781 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 14:08:33,781 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 14:08:33,781 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,781 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,781 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,782 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (<= ~a11~0 0)) (.cse22 (< 0 |old(~a11~0)|))) (let ((.cse6 (not (= 1 |old(~a25~0)|))) (.cse12 (= 1 ~a25~0)) (.cse21 (not (<= |old(~a28~0)| 7))) (.cse14 (<= ~a17~0 8)) (.cse15 (<= 8 ~a17~0)) (.cse23 (not (= 1 ~a11~0))) (.cse20 (or .cse0 .cse22)) (.cse24 (<= ~a28~0 10)) (.cse17 (= 1 |old(~a11~0)|)) (.cse2 (not (<= 8 |old(~a17~0)|))) (.cse3 (not (<= |old(~a17~0)| 8))) (.cse13 (not (= 1 |old(~a19~0)|))) (.cse18 (not (<= 10 |old(~a28~0)|))) (.cse19 (<= 10 ~a28~0)) (.cse1 (not (<= |old(~a28~0)| 10))) (.cse8 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (<= ~a28~0 |old(~a28~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse11 (<= 9 ~a28~0)) (.cse16 (= ~a25~0 |old(~a25~0)|)) (.cse5 (not (<= 9 |old(~a28~0)|))) (.cse7 (not (<= |old(~a17~0)| 7))) (.cse4 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 (and .cse8 .cse9 .cse10 .cse11 .cse12)) (or .cse13 .cse1 .cse5 .cse2 (and .cse9 .cse14 .cse15 .cse10 .cse11 .cse16) .cse3) (or .cse1 .cse17 .cse6 .cse18 .cse19 .cse3) (or .cse13 (and .cse8 .cse9 .cse20 .cse10 .cse16) .cse7) (or .cse13 .cse21 (and .cse0 .cse9 .cse10 .cse12) .cse6 .cse4) (or .cse13 .cse17 .cse2 .cse6 .cse18 (and (or (and .cse9 .cse14 .cse15 .cse19 .cse22 .cse10 .cse12) (and .cse0 .cse9 .cse14 .cse15 .cse19 .cse10 .cse12)) .cse23) .cse3) (or .cse21 .cse2 .cse3 (and .cse9 .cse14 .cse15 .cse10 .cse16)) (or .cse1 .cse17 .cse2 .cse3 (and .cse9 .cse14 .cse15 .cse23 .cse10 .cse16)) (or .cse1 .cse7 (and .cse8 .cse24 .cse19 .cse10 .cse16) .cse18) (or .cse13 (and .cse20 .cse24 .cse19 .cse10) .cse1 .cse18) (or .cse1 .cse5 .cse17 .cse2 .cse3 .cse11) (or .cse13 .cse7 .cse18 .cse19) (or .cse1 (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse16) .cse5 .cse7 .cse4)))) [2020-07-20 14:08:33,782 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,782 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,782 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,782 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 14:08:33,782 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 14:08:33,782 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 14:08:33,782 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 14:08:33,783 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 14:08:33,783 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 14:08:33,783 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 14:08:33,783 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 14:08:33,783 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 14:08:33,783 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 14:08:33,783 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 14:08:33,783 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 14:08:33,784 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 14:08:33,784 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,784 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,784 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,784 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,784 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,784 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,784 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 14:08:33,785 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 14:08:33,785 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 14:08:33,785 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 14:08:33,785 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 14:08:33,785 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 14:08:33,785 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 14:08:33,785 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 14:08:33,785 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 14:08:33,786 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 14:08:33,786 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 14:08:33,786 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 14:08:33,786 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 14:08:33,786 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 14:08:33,786 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 14:08:33,786 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 14:08:33,786 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,786 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,786 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,787 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,787 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 14:08:33,787 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 14:08:33,787 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 14:08:33,787 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 14:08:33,787 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 14:08:33,787 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 14:08:33,787 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 14:08:33,787 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 14:08:33,788 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 14:08:33,788 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 14:08:33,788 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 14:08:33,788 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 14:08:33,788 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 14:08:33,788 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 14:08:33,788 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 14:08:33,788 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 14:08:33,789 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 14:08:33,789 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 14:08:33,789 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 14:08:33,789 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 14:08:33,789 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:08:33,789 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= ~a28~0 7)) [2020-07-20 14:08:33,789 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 14:08:33,789 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:08:33,790 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a11~0 0) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-20 14:08:33,790 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a28~0 7)) (.cse4 (= 1 ~a25~0)) (.cse1 (<= ~a11~0 0)) (.cse10 (<= ~a17~0 7)) (.cse11 (< 7 |old(~a17~0)|)) (.cse9 (<= 9 ~a28~0)) (.cse0 (= 1 ~a19~0)) (.cse12 (<= 10 ~a28~0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= 8 ~a17~0)) (.cse8 (<= ~a28~0 10)) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse7 (not (= 1 ~a11~0)))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse7 .cse4) (and .cse0 .cse5 .cse1 (= ~a25~0 |old(~a25~0)|) .cse3) (and .cse0 .cse5 .cse6 .cse8 .cse2 .cse9) (and .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse2 .cse10 .cse11) (and .cse8 .cse2 .cse10 .cse11 .cse9 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse2 .cse10 .cse12 .cse11) (and .cse1 .cse8 .cse2 .cse10 .cse11 .cse9) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse8 .cse12) (and .cse5 .cse6 .cse8 .cse2 .cse7))) [2020-07-20 14:08:33,790 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 14:08:33,790 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 14:08:33,790 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (<= ~a28~0 7)) (.cse4 (= 1 ~a25~0)) (.cse1 (<= ~a11~0 0)) (.cse10 (<= ~a17~0 7)) (.cse11 (< 7 |old(~a17~0)|)) (.cse9 (<= 9 ~a28~0)) (.cse0 (= 1 ~a19~0)) (.cse12 (<= 10 ~a28~0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= 8 ~a17~0)) (.cse8 (<= ~a28~0 10)) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse7 (not (= 1 ~a11~0)))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse7 .cse4) (and .cse0 .cse5 .cse1 (= ~a25~0 |old(~a25~0)|) .cse3) (and .cse0 .cse5 .cse6 .cse8 .cse2 .cse9) (and .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse2 .cse10 .cse11) (and .cse8 .cse2 .cse10 .cse11 .cse9 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse2 .cse10 .cse12 .cse11) (and .cse1 .cse8 .cse2 .cse10 .cse11 .cse9) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse8 .cse12) (and .cse5 .cse6 .cse8 .cse2 .cse7))) [2020-07-20 14:08:33,791 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 14:08:33,791 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 14:08:33,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:08:33 BoogieIcfgContainer [2020-07-20 14:08:33,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 14:08:33,817 INFO L168 Benchmark]: Toolchain (without parser) took 19226.83 ms. Allocated memory was 137.4 MB in the beginning and 529.5 MB in the end (delta: 392.2 MB). Free memory was 100.8 MB in the beginning and 428.3 MB in the end (delta: -327.5 MB). Peak memory consumption was 411.7 MB. Max. memory is 7.1 GB. [2020-07-20 14:08:33,818 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 14:08:33,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.54 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 100.4 MB in the beginning and 172.5 MB in the end (delta: -72.1 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2020-07-20 14:08:33,819 INFO L168 Benchmark]: Boogie Preprocessor took 101.48 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 167.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-20 14:08:33,823 INFO L168 Benchmark]: RCFGBuilder took 1255.81 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 167.5 MB in the beginning and 182.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2020-07-20 14:08:33,824 INFO L168 Benchmark]: TraceAbstraction took 17101.43 ms. Allocated memory was 235.4 MB in the beginning and 529.5 MB in the end (delta: 294.1 MB). Free memory was 182.6 MB in the beginning and 428.3 MB in the end (delta: -245.7 MB). Peak memory consumption was 395.4 MB. Max. memory is 7.1 GB. [2020-07-20 14:08:33,828 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 761.54 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 100.4 MB in the beginning and 172.5 MB in the end (delta: -72.1 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.48 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 167.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1255.81 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 167.5 MB in the beginning and 182.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17101.43 ms. Allocated memory was 235.4 MB in the beginning and 529.5 MB in the end (delta: 294.1 MB). Free memory was 182.6 MB in the beginning and 428.3 MB in the end (delta: -245.7 MB). Peak memory consumption was 395.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == \old(a19)) || !(\old(a28) <= 7)) || ((((1 == a19 && a11 <= 0) && !(1 == \old(a25))) && a28 <= 7) && 1 == a25)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && !(1 == a11)) && 1 == a25)) || ((((1 == a19 && a17 <= \old(a17)) && a11 <= 0) && a25 == \old(a25)) && a28 <= 7)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 10) && !(1 == \old(a25))) && 9 <= a28)) || (((a17 <= \old(a17) && 8 <= a17) && !(1 == \old(a25))) && a28 <= 7)) || (((1 == a19 && !(1 == \old(a25))) && a17 <= 7) && 7 < \old(a17))) || (((((a28 <= 10 && !(1 == \old(a25))) && a17 <= 7) && 7 < \old(a17)) && 9 <= a28) && 1 == a25)) || !(\old(a11) <= 0)) || ((((a28 <= 10 && !(1 == \old(a25))) && a17 <= 7) && 10 <= a28) && 7 < \old(a17))) || (((((a11 <= 0 && a28 <= 10) && !(1 == \old(a25))) && a17 <= 7) && 7 < \old(a17)) && 9 <= a28)) || !(\old(a17) <= 8)) || ((1 == a19 && a28 <= 10) && 10 <= a28)) || ((((a17 <= \old(a17) && 8 <= a17) && a28 <= 10) && !(1 == \old(a25))) && !(1 == a11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 969 SDtfs, 4022 SDslu, 472 SDs, 0 SdLazy, 5878 SolverSat, 994 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2606 GetRequests, 2560 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4403occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 199 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 153 PreInvPairs, 223 NumberOfFragments, 924 HoareAnnotationTreeSize, 153 FomulaSimplifications, 1818 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2151 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1674 NumberOfCodeBlocks, 1674 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2584 ConstructedInterpolants, 0 QuantifiedInterpolants, 819159 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4472 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 1642/1746 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...