/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 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 13:52:11,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 13:52:11,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 13:52:11,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 13:52:11,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 13:52:11,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 13:52:11,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 13:52:11,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 13:52:11,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 13:52:11,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 13:52:11,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 13:52:11,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 13:52:11,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 13:52:11,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 13:52:11,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 13:52:11,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 13:52:11,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 13:52:11,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 13:52:11,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 13:52:11,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 13:52:11,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 13:52:11,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 13:52:11,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 13:52:11,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 13:52:11,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 13:52:11,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 13:52:11,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 13:52:11,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 13:52:12,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 13:52:12,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 13:52:12,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 13:52:12,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 13:52:12,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 13:52:12,018 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 13:52:12,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 13:52:12,018 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 13:52:12,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 13:52:12,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 13:52:12,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 13:52:12,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 13:52:12,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 13:52:12,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 13:52:12,020 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 13:52:12,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 13:52:12,020 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 13:52:12,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 13:52:12,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 13:52:12,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 13:52:12,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 13:52:12,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 13:52:12,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 13:52:12,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 13:52:12,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 13:52:12,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 13:52:12,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 13:52:12,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:12,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 13:52:12,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 13:52:12,023 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 -> 2 [2020-07-21 13:52:12,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 13:52:12,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 13:52:12,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 13:52:12,346 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 13:52:12,346 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 13:52:12,347 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-07-21 13:52:12,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf25157aa/3421c8dfd322478fbb4605ef625ed6d3/FLAGaa5e15f96 [2020-07-21 13:52:13,061 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 13:52:13,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-07-21 13:52:13,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf25157aa/3421c8dfd322478fbb4605ef625ed6d3/FLAGaa5e15f96 [2020-07-21 13:52:13,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf25157aa/3421c8dfd322478fbb4605ef625ed6d3 [2020-07-21 13:52:13,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 13:52:13,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 13:52:13,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 13:52:13,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 13:52:13,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 13:52:13,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:52:13" (1/1) ... [2020-07-21 13:52:13,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797d48eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:13, skipping insertion in model container [2020-07-21 13:52:13,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:52:13" (1/1) ... [2020-07-21 13:52:13,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 13:52:13,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 13:52:14,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:52:14,079 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 13:52:14,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:52:14,267 INFO L208 MainTranslator]: Completed translation [2020-07-21 13:52:14,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:14 WrapperNode [2020-07-21 13:52:14,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 13:52:14,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 13:52:14,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 13:52:14,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 13:52:14,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:14" (1/1) ... [2020-07-21 13:52:14,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:14" (1/1) ... [2020-07-21 13:52:14,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:14" (1/1) ... [2020-07-21 13:52:14,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:14" (1/1) ... [2020-07-21 13:52:14,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:14" (1/1) ... [2020-07-21 13:52:14,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:14" (1/1) ... [2020-07-21 13:52:14,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:14" (1/1) ... [2020-07-21 13:52:14,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 13:52:14,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 13:52:14,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 13:52:14,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 13:52:14,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 13:52:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 13:52:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 13:52:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 13:52:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 13:52:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 13:52:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 13:52:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 13:52:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 13:52:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 13:52:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 13:52:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 13:52:15,850 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 13:52:15,851 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 13:52:15,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:52:15 BoogieIcfgContainer [2020-07-21 13:52:15,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 13:52:15,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 13:52:15,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 13:52:15,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 13:52:15,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:52:13" (1/3) ... [2020-07-21 13:52:15,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc96546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:52:15, skipping insertion in model container [2020-07-21 13:52:15,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:52:14" (2/3) ... [2020-07-21 13:52:15,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc96546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:52:15, skipping insertion in model container [2020-07-21 13:52:15,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:52:15" (3/3) ... [2020-07-21 13:52:15,867 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-07-21 13:52:15,879 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 13:52:15,888 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 13:52:15,904 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 13:52:15,937 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 13:52:15,937 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 13:52:15,937 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 13:52:15,937 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 13:52:15,938 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 13:52:15,938 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 13:52:15,938 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 13:52:15,938 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 13:52:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 13:52:15,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-21 13:52:15,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:15,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:15,983 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:15,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:15,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1613804370, now seen corresponding path program 1 times [2020-07-21 13:52:16,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:16,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020683634] [2020-07-21 13:52:16,004 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:16,204 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:16,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:16,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 13:52:16,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:52:16,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:52:16,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020683634] [2020-07-21 13:52:16,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:52:16,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:52:16,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784336332] [2020-07-21 13:52:16,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:52:16,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:16,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:52:16,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:52:16,371 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 13:52:17,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:17,401 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-21 13:52:17,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:52:17,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-07-21 13:52:17,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:17,421 INFO L225 Difference]: With dead ends: 619 [2020-07-21 13:52:17,422 INFO L226 Difference]: Without dead ends: 321 [2020-07-21 13:52:17,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:52:17,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-21 13:52:17,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-21 13:52:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-21 13:52:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-21 13:52:17,509 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 118 [2020-07-21 13:52:17,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:17,510 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-21 13:52:17,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:52:17,511 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-21 13:52:17,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-07-21 13:52:17,515 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:17,516 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:17,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:17,731 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:17,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:17,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1482861857, now seen corresponding path program 1 times [2020-07-21 13:52:17,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:17,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324209200] [2020-07-21 13:52:17,733 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:17,838 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:17,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:17,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 13:52:17,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 13:52:17,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 13:52:18,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324209200] [2020-07-21 13:52:18,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 13:52:18,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2020-07-21 13:52:18,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910325458] [2020-07-21 13:52:18,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 13:52:18,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:18,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 13:52:18,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:52:18,009 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 4 states. [2020-07-21 13:52:18,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:18,716 INFO L93 Difference]: Finished difference Result 941 states and 1256 transitions. [2020-07-21 13:52:18,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 13:52:18,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2020-07-21 13:52:18,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:18,749 INFO L225 Difference]: With dead ends: 941 [2020-07-21 13:52:18,749 INFO L226 Difference]: Without dead ends: 628 [2020-07-21 13:52:18,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 246 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:52:18,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2020-07-21 13:52:18,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2020-07-21 13:52:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-07-21 13:52:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 815 transitions. [2020-07-21 13:52:18,797 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 815 transitions. Word has length 127 [2020-07-21 13:52:18,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:18,798 INFO L479 AbstractCegarLoop]: Abstraction has 628 states and 815 transitions. [2020-07-21 13:52:18,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 13:52:18,798 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 815 transitions. [2020-07-21 13:52:18,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-21 13:52:18,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:18,803 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:19,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:19,018 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:19,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:19,019 INFO L82 PathProgramCache]: Analyzing trace with hash -608996166, now seen corresponding path program 1 times [2020-07-21 13:52:19,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:19,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720365536] [2020-07-21 13:52:19,021 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:19,128 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:19,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:19,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:52:19,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 13:52:19,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:52:19,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720365536] [2020-07-21 13:52:19,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:52:19,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:52:19,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360807647] [2020-07-21 13:52:19,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:52:19,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:19,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:52:19,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:52:19,175 INFO L87 Difference]: Start difference. First operand 628 states and 815 transitions. Second operand 3 states. [2020-07-21 13:52:19,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:19,878 INFO L93 Difference]: Finished difference Result 1543 states and 2083 transitions. [2020-07-21 13:52:19,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:52:19,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-07-21 13:52:19,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:19,886 INFO L225 Difference]: With dead ends: 1543 [2020-07-21 13:52:19,886 INFO L226 Difference]: Without dead ends: 921 [2020-07-21 13:52:19,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:52:19,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-07-21 13:52:19,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 919. [2020-07-21 13:52:19,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-07-21 13:52:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1209 transitions. [2020-07-21 13:52:19,956 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1209 transitions. Word has length 135 [2020-07-21 13:52:19,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:19,957 INFO L479 AbstractCegarLoop]: Abstraction has 919 states and 1209 transitions. [2020-07-21 13:52:19,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:52:19,957 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1209 transitions. [2020-07-21 13:52:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-21 13:52:19,963 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:19,964 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:20,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:20,175 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:20,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:20,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1779819568, now seen corresponding path program 1 times [2020-07-21 13:52:20,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:20,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803467583] [2020-07-21 13:52:20,178 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:20,309 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:20,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:20,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 13:52:20,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:20,370 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-21 13:52:20,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:52:20,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803467583] [2020-07-21 13:52:20,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:52:20,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 13:52:20,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452246209] [2020-07-21 13:52:20,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 13:52:20,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:20,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 13:52:20,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:52:20,375 INFO L87 Difference]: Start difference. First operand 919 states and 1209 transitions. Second operand 5 states. [2020-07-21 13:52:21,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:21,286 INFO L93 Difference]: Finished difference Result 2770 states and 3826 transitions. [2020-07-21 13:52:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 13:52:21,287 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-07-21 13:52:21,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:21,304 INFO L225 Difference]: With dead ends: 2770 [2020-07-21 13:52:21,305 INFO L226 Difference]: Without dead ends: 1857 [2020-07-21 13:52:21,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 13:52:21,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2020-07-21 13:52:21,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1829. [2020-07-21 13:52:21,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1829 states. [2020-07-21 13:52:21,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2368 transitions. [2020-07-21 13:52:21,404 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2368 transitions. Word has length 141 [2020-07-21 13:52:21,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:21,405 INFO L479 AbstractCegarLoop]: Abstraction has 1829 states and 2368 transitions. [2020-07-21 13:52:21,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 13:52:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2368 transitions. [2020-07-21 13:52:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 13:52:21,415 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:21,415 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:21,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:21,662 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:21,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:21,663 INFO L82 PathProgramCache]: Analyzing trace with hash 2035775571, now seen corresponding path program 2 times [2020-07-21 13:52:21,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:21,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158070898] [2020-07-21 13:52:21,665 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:21,765 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:21,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:21,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:52:21,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 13:52:21,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 13:52:21,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158070898] [2020-07-21 13:52:21,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:52:21,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 13:52:21,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296077354] [2020-07-21 13:52:21,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 13:52:21,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:21,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 13:52:21,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 13:52:21,893 INFO L87 Difference]: Start difference. First operand 1829 states and 2368 transitions. Second operand 7 states. [2020-07-21 13:52:23,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:23,302 INFO L93 Difference]: Finished difference Result 4288 states and 5653 transitions. [2020-07-21 13:52:23,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 13:52:23,303 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2020-07-21 13:52:23,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:23,318 INFO L225 Difference]: With dead ends: 4288 [2020-07-21 13:52:23,318 INFO L226 Difference]: Without dead ends: 2465 [2020-07-21 13:52:23,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 285 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-07-21 13:52:23,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2465 states. [2020-07-21 13:52:23,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2465 to 2451. [2020-07-21 13:52:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2451 states. [2020-07-21 13:52:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 3025 transitions. [2020-07-21 13:52:23,411 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 3025 transitions. Word has length 144 [2020-07-21 13:52:23,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:23,412 INFO L479 AbstractCegarLoop]: Abstraction has 2451 states and 3025 transitions. [2020-07-21 13:52:23,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 13:52:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 3025 transitions. [2020-07-21 13:52:23,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 13:52:23,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:23,426 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:23,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:23,629 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:23,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:23,630 INFO L82 PathProgramCache]: Analyzing trace with hash 488288567, now seen corresponding path program 1 times [2020-07-21 13:52:23,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:23,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1514980036] [2020-07-21 13:52:23,631 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:23,729 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:23,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:23,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:52:23,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:23,771 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:52:23,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:52:23,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1514980036] [2020-07-21 13:52:23,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:52:23,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 13:52:23,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626516502] [2020-07-21 13:52:23,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 13:52:23,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:23,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 13:52:23,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 13:52:23,838 INFO L87 Difference]: Start difference. First operand 2451 states and 3025 transitions. Second operand 6 states. [2020-07-21 13:52:24,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:24,778 INFO L93 Difference]: Finished difference Result 5380 states and 6724 transitions. [2020-07-21 13:52:24,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 13:52:24,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2020-07-21 13:52:24,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:24,796 INFO L225 Difference]: With dead ends: 5380 [2020-07-21 13:52:24,796 INFO L226 Difference]: Without dead ends: 2935 [2020-07-21 13:52:24,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 13:52:24,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2935 states. [2020-07-21 13:52:24,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2935 to 2919. [2020-07-21 13:52:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2919 states. [2020-07-21 13:52:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 3591 transitions. [2020-07-21 13:52:24,887 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 3591 transitions. Word has length 149 [2020-07-21 13:52:24,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:24,888 INFO L479 AbstractCegarLoop]: Abstraction has 2919 states and 3591 transitions. [2020-07-21 13:52:24,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 13:52:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 3591 transitions. [2020-07-21 13:52:24,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-21 13:52:24,896 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:24,896 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:25,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:25,112 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:25,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:25,113 INFO L82 PathProgramCache]: Analyzing trace with hash 364253317, now seen corresponding path program 1 times [2020-07-21 13:52:25,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:25,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421985648] [2020-07-21 13:52:25,114 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:25,217 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:25,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:25,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 13:52:25,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 13:52:25,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:25,324 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 13:52:25,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421985648] [2020-07-21 13:52:25,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:52:25,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 13:52:25,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649975618] [2020-07-21 13:52:25,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 13:52:25,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:25,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 13:52:25,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 13:52:25,327 INFO L87 Difference]: Start difference. First operand 2919 states and 3591 transitions. Second operand 7 states. [2020-07-21 13:52:26,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:26,793 INFO L93 Difference]: Finished difference Result 6933 states and 8500 transitions. [2020-07-21 13:52:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 13:52:26,794 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 151 [2020-07-21 13:52:26,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:26,814 INFO L225 Difference]: With dead ends: 6933 [2020-07-21 13:52:26,815 INFO L226 Difference]: Without dead ends: 4020 [2020-07-21 13:52:26,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 13:52:26,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4020 states. [2020-07-21 13:52:26,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4020 to 3582. [2020-07-21 13:52:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3582 states. [2020-07-21 13:52:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4202 transitions. [2020-07-21 13:52:26,927 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4202 transitions. Word has length 151 [2020-07-21 13:52:26,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:26,928 INFO L479 AbstractCegarLoop]: Abstraction has 3582 states and 4202 transitions. [2020-07-21 13:52:26,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 13:52:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4202 transitions. [2020-07-21 13:52:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-21 13:52:26,935 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:26,935 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:27,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:27,149 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:27,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:27,150 INFO L82 PathProgramCache]: Analyzing trace with hash -444558417, now seen corresponding path program 1 times [2020-07-21 13:52:27,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:27,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655575216] [2020-07-21 13:52:27,150 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:27,264 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:27,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:27,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:52:27,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 13:52:27,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:52:27,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655575216] [2020-07-21 13:52:27,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:52:27,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 13:52:27,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731271179] [2020-07-21 13:52:27,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 13:52:27,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:27,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 13:52:27,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:52:27,359 INFO L87 Difference]: Start difference. First operand 3582 states and 4202 transitions. Second operand 3 states. [2020-07-21 13:52:27,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:27,981 INFO L93 Difference]: Finished difference Result 8314 states and 9746 transitions. [2020-07-21 13:52:27,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 13:52:27,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-21 13:52:27,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:28,004 INFO L225 Difference]: With dead ends: 8314 [2020-07-21 13:52:28,006 INFO L226 Difference]: Without dead ends: 3562 [2020-07-21 13:52:28,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 13:52:28,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2020-07-21 13:52:28,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3562. [2020-07-21 13:52:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3562 states. [2020-07-21 13:52:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 4103 transitions. [2020-07-21 13:52:28,106 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 4103 transitions. Word has length 153 [2020-07-21 13:52:28,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:28,107 INFO L479 AbstractCegarLoop]: Abstraction has 3562 states and 4103 transitions. [2020-07-21 13:52:28,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 13:52:28,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 4103 transitions. [2020-07-21 13:52:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-21 13:52:28,116 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:28,116 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:28,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:28,332 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:28,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:28,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1372785907, now seen corresponding path program 1 times [2020-07-21 13:52:28,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:28,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443294285] [2020-07-21 13:52:28,334 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:28,454 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:28,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:28,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 13:52:28,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-07-21 13:52:28,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-07-21 13:52:28,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1443294285] [2020-07-21 13:52:28,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:52:28,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 13:52:28,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273484727] [2020-07-21 13:52:28,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 13:52:28,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:28,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 13:52:28,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 13:52:28,606 INFO L87 Difference]: Start difference. First operand 3562 states and 4103 transitions. Second operand 7 states. [2020-07-21 13:52:29,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:29,107 INFO L93 Difference]: Finished difference Result 4213 states and 4750 transitions. [2020-07-21 13:52:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 13:52:29,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 192 [2020-07-21 13:52:29,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:29,115 INFO L225 Difference]: With dead ends: 4213 [2020-07-21 13:52:29,115 INFO L226 Difference]: Without dead ends: 1648 [2020-07-21 13:52:29,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 378 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 13:52:29,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2020-07-21 13:52:29,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1502. [2020-07-21 13:52:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1502 states. [2020-07-21 13:52:29,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1671 transitions. [2020-07-21 13:52:29,153 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 1671 transitions. Word has length 192 [2020-07-21 13:52:29,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:29,153 INFO L479 AbstractCegarLoop]: Abstraction has 1502 states and 1671 transitions. [2020-07-21 13:52:29,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 13:52:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1671 transitions. [2020-07-21 13:52:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-21 13:52:29,158 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:52:29,158 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:52:29,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:29,373 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:52:29,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:52:29,373 INFO L82 PathProgramCache]: Analyzing trace with hash 840262598, now seen corresponding path program 1 times [2020-07-21 13:52:29,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:52:29,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007228497] [2020-07-21 13:52:29,375 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-21 13:52:29,482 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:52:29,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:52:29,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 13:52:29,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:52:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:52:29,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 13:52:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:52:29,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007228497] [2020-07-21 13:52:29,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 13:52:29,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 13:52:29,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500609557] [2020-07-21 13:52:29,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 13:52:29,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:52:29,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 13:52:29,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 13:52:29,602 INFO L87 Difference]: Start difference. First operand 1502 states and 1671 transitions. Second operand 6 states. [2020-07-21 13:52:30,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:52:30,650 INFO L93 Difference]: Finished difference Result 3887 states and 4316 transitions. [2020-07-21 13:52:30,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 13:52:30,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2020-07-21 13:52:30,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:52:30,651 INFO L225 Difference]: With dead ends: 3887 [2020-07-21 13:52:30,651 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 13:52:30,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 13:52:30,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 13:52:30,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 13:52:30,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 13:52:30,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 13:52:30,658 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-21 13:52:30,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:52:30,659 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 13:52:30,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 13:52:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 13:52:30,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 13:52:30,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:52:30,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 13:52:32,474 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2020-07-21 13:52:33,191 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2020-07-21 13:52:33,880 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2020-07-21 13:52:33,885 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:52:33,885 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)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 13:52:33,886 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:52:33,886 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,886 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,886 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,887 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,888 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,888 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 13:52:33,888 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 13:52:33,888 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 13:52:33,888 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 13:52:33,888 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 13:52:33,888 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 13:52:33,888 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 13:52:33,888 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 13:52:33,888 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 13:52:33,889 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 13:52:33,890 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 13:52:33,890 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 13:52:33,890 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 13:52:33,890 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 13:52:33,890 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 13:52:33,890 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 13:52:33,890 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 13:52:33,890 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 13:52:33,890 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 13:52:33,891 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 13:52:33,891 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 13:52:33,891 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 13:52:33,891 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 13:52:33,891 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,891 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,892 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,892 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,892 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,892 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508) no Hoare annotation was computed. [2020-07-21 13:52:33,892 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 13:52:33,892 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 13:52:33,893 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 13:52:33,893 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 13:52:33,893 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 13:52:33,893 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 13:52:33,893 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 13:52:33,893 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 13:52:33,893 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 13:52:33,893 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 13:52:33,894 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 13:52:33,894 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,894 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,894 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,894 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,894 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,894 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 13:52:33,894 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 13:52:33,895 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 13:52:33,895 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 13:52:33,895 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 13:52:33,895 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 13:52:33,895 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 13:52:33,895 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 13:52:33,895 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 13:52:33,896 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 13:52:33,896 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 13:52:33,896 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 13:52:33,896 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 13:52:33,896 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,896 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,896 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,897 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,897 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,897 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 13:52:33,897 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 13:52:33,897 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 13:52:33,897 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 13:52:33,897 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 13:52:33,897 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 13:52:33,898 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 13:52:33,898 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 13:52:33,898 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 13:52:33,898 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 13:52:33,898 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 13:52:33,898 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 13:52:33,898 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 13:52:33,899 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 13:52:33,899 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 13:52:33,899 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 13:52:33,899 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,899 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,899 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,899 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,900 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 13:52:33,900 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,900 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 13:52:33,900 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,900 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 13:52:33,900 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 13:52:33,900 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 13:52:33,900 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,900 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 13:52:33,901 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 13:52:33,902 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 13:52:33,903 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,904 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,905 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (not (= 1 |old(~a19~0)|))) (.cse9 (not (<= |old(~a28~0)| 10))) (.cse19 (not (<= 9 |old(~a28~0)|))) (.cse16 (not (= 1 |old(~a11~0)|))) (.cse10 (<= ~a28~0 10)) (.cse2 (<= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse20 (<= ~a17~0 7)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (<= |old(~a28~0)| ~a28~0))) (let ((.cse14 (and .cse2 .cse3 .cse20 .cse4 .cse5)) (.cse0 (not (<= |old(~a28~0)| 9))) (.cse11 (= 1 ~a25~0)) (.cse12 (not (= 1 |old(~a25~0)|))) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a25~0 |old(~a25~0)|)) (.cse7 (not (<= |old(~a17~0)| 8))) (.cse8 (not (<= |old(~a11~0)| 0))) (.cse17 (let ((.cse21 (= 1 ~a11~0)) (.cse22 (<= 9 ~a28~0))) (or (and .cse2 .cse21 .cse3 .cse10 .cse4 .cse22 .cse5) (and (= 1 ~a19~0) .cse2 .cse21 .cse3 .cse4 .cse22 .cse5)))) (.cse18 (and (or .cse13 .cse19 .cse16) (or .cse9 .cse19 .cse16))) (.cse15 (not (<= |old(~a17~0)| 7)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse9 (and .cse1 .cse3 .cse10 .cse4 .cse5 .cse11) .cse12 .cse7 .cse8) (or .cse13 .cse14 .cse15 .cse8) (or .cse13 .cse14 .cse15 .cse16) (or (and .cse1 .cse17 .cse11) .cse18 .cse12 .cse7) (or (and .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~a28~0)| 7)) .cse7 .cse16) (or .cse13 .cse19 .cse0 (and .cse1 .cse3 (<= ~a28~0 9) .cse4 .cse5) .cse7 .cse16) (or .cse13 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse11) .cse12 .cse7 .cse8) (or .cse13 .cse9 (and .cse1 .cse3 .cse10 .cse4 .cse5 .cse6) .cse7 .cse8) (or (and .cse20 .cse17) .cse18 .cse15)))) [2020-07-21 13:52:33,905 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,905 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,905 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,905 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 13:52:33,906 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 13:52:33,906 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 13:52:33,906 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 13:52:33,906 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 13:52:33,906 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 13:52:33,906 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 13:52:33,906 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 13:52:33,906 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 13:52:33,907 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 13:52:33,907 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 13:52:33,907 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 13:52:33,907 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 13:52:33,907 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,907 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,907 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,907 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,908 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,908 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,908 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 13:52:33,908 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 13:52:33,908 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 13:52:33,908 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 13:52:33,908 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 13:52:33,908 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 13:52:33,909 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 13:52:33,909 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 13:52:33,909 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 13:52:33,909 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 13:52:33,909 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 13:52:33,909 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 13:52:33,909 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 13:52:33,909 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 13:52:33,909 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 13:52:33,910 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 13:52:33,910 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,910 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,910 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,910 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,910 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 13:52:33,910 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 13:52:33,910 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 13:52:33,911 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 13:52:33,911 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 13:52:33,911 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 13:52:33,911 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 13:52:33,911 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 13:52:33,911 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 13:52:33,911 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 13:52:33,911 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 13:52:33,911 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 13:52:33,912 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 13:52:33,912 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 13:52:33,912 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 13:52:33,912 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 13:52:33,912 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 13:52:33,912 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 13:52:33,912 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 13:52:33,912 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 13:52:33,912 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:52:33,913 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)) [2020-07-21 13:52:33,913 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 13:52:33,913 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:52:33,913 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)|) (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-21 13:52:33,913 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse11 (<= ~a28~0 10)) (.cse1 (= 1 ~a19~0)) (.cse2 (= 1 ~a11~0)) (.cse0 (<= |old(~a28~0)| 7)) (.cse10 (<= 9 ~a28~0))) (let ((.cse4 (<= ~a11~0 0)) (.cse3 (<= ~a17~0 7)) (.cse7 (<= ~a28~0 9)) (.cse9 (let ((.cse14 (not (= 1 |old(~a11~0)|)))) (or (and .cse2 .cse11 .cse0 .cse10 .cse14) (and .cse1 .cse2 .cse0 .cse10 .cse14)))) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse12 (= 1 ~a25~0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse13 (<= ~a28~0 7))) (or (not (= 1 |old(~a19~0)|)) (not .cse0) (and .cse1 .cse2 .cse3) (and .cse1 (< 7 ~a28~0) .cse4 .cse3) (and .cse5 .cse6 .cse7 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse3 .cse9) (and .cse4 .cse7 .cse3 .cse10) (and .cse5 .cse6 .cse11 .cse8 .cse12) (and .cse5 .cse2 .cse13) (and .cse2 .cse3 .cse13) (and .cse1 .cse5 .cse2 .cse7 .cse10) (and .cse5 .cse8 .cse9 .cse12) (not (<= |old(~a17~0)| 8)) (and .cse1 .cse5 .cse6 .cse11 .cse8) (and .cse1 .cse5 .cse6 .cse8 .cse12) (and .cse1 .cse5 .cse6 .cse13 (= ~a25~0 |old(~a25~0)|))))) [2020-07-21 13:52:33,914 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 13:52:33,914 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 13:52:33,914 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse11 (<= ~a28~0 10)) (.cse1 (= 1 ~a19~0)) (.cse2 (= 1 ~a11~0)) (.cse0 (<= |old(~a28~0)| 7)) (.cse10 (<= 9 ~a28~0))) (let ((.cse4 (<= ~a11~0 0)) (.cse3 (<= ~a17~0 7)) (.cse7 (<= ~a28~0 9)) (.cse9 (let ((.cse14 (not (= 1 |old(~a11~0)|)))) (or (and .cse2 .cse11 .cse0 .cse10 .cse14) (and .cse1 .cse2 .cse0 .cse10 .cse14)))) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse12 (= 1 ~a25~0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse13 (<= ~a28~0 7))) (or (not (= 1 |old(~a19~0)|)) (not .cse0) (and .cse1 .cse2 .cse3) (and .cse1 (< 7 ~a28~0) .cse4 .cse3) (and .cse5 .cse6 .cse7 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse3 .cse9) (and .cse4 .cse7 .cse3 .cse10) (and .cse5 .cse6 .cse11 .cse8 .cse12) (and .cse5 .cse2 .cse13) (and .cse2 .cse3 .cse13) (and .cse1 .cse5 .cse2 .cse7 .cse10) (and .cse5 .cse8 .cse9 .cse12) (not (<= |old(~a17~0)| 8)) (and .cse1 .cse5 .cse6 .cse11 .cse8) (and .cse1 .cse5 .cse6 .cse8 .cse12) (and .cse1 .cse5 .cse6 .cse13 (= ~a25~0 |old(~a25~0)|))))) [2020-07-21 13:52:33,914 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 13:52:33,914 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 13:52:33,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:52:33 BoogieIcfgContainer [2020-07-21 13:52:33,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 13:52:33,954 INFO L168 Benchmark]: Toolchain (without parser) took 20569.31 ms. Allocated memory was 136.8 MB in the beginning and 519.0 MB in the end (delta: 382.2 MB). Free memory was 98.1 MB in the beginning and 354.1 MB in the end (delta: -256.0 MB). Peak memory consumption was 400.0 MB. Max. memory is 7.1 GB. [2020-07-21 13:52:33,955 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 13:52:33,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.06 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 97.7 MB in the beginning and 168.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-07-21 13:52:33,956 INFO L168 Benchmark]: Boogie Preprocessor took 117.92 ms. Allocated memory is still 202.4 MB. Free memory was 168.9 MB in the beginning and 163.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 13:52:33,957 INFO L168 Benchmark]: RCFGBuilder took 1469.24 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 163.9 MB in the beginning and 180.2 MB in the end (delta: -16.2 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2020-07-21 13:52:33,958 INFO L168 Benchmark]: TraceAbstraction took 18087.73 ms. Allocated memory was 232.8 MB in the beginning and 519.0 MB in the end (delta: 286.3 MB). Free memory was 178.7 MB in the beginning and 354.1 MB in the end (delta: -175.4 MB). Peak memory consumption was 384.7 MB. Max. memory is 7.1 GB. [2020-07-21 13:52:33,965 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 887.06 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 97.7 MB in the beginning and 168.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.92 ms. Allocated memory is still 202.4 MB. Free memory was 168.9 MB in the beginning and 163.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1469.24 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 163.9 MB in the beginning and 180.2 MB in the end (delta: -16.2 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18087.73 ms. Allocated memory was 232.8 MB in the beginning and 519.0 MB in the end (delta: 286.3 MB). Free memory was 178.7 MB in the beginning and 354.1 MB in the end (delta: -175.4 MB). Peak memory consumption was 384.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 508]: 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 && 1 == a11) && a17 <= 7)) || (((1 == a19 && 7 < a28) && a11 <= 0) && a17 <= 7)) || (((a17 <= \old(a17) && a11 == \old(a11)) && a28 <= 9) && !(1 == \old(a25)))) || !(\old(a11) <= 0)) || (a17 <= 7 && (((((1 == a11 && a28 <= 10) && \old(a28) <= 7) && 9 <= a28) && !(1 == \old(a11))) || ((((1 == a19 && 1 == a11) && \old(a28) <= 7) && 9 <= a28) && !(1 == \old(a11)))))) || (((a11 <= 0 && a28 <= 9) && a17 <= 7) && 9 <= a28)) || ((((a17 <= \old(a17) && a11 == \old(a11)) && a28 <= 10) && !(1 == \old(a25))) && 1 == a25)) || ((a17 <= \old(a17) && 1 == a11) && a28 <= 7)) || ((1 == a11 && a17 <= 7) && a28 <= 7)) || ((((1 == a19 && a17 <= \old(a17)) && 1 == a11) && a28 <= 9) && 9 <= a28)) || (((a17 <= \old(a17) && !(1 == \old(a25))) && (((((1 == a11 && a28 <= 10) && \old(a28) <= 7) && 9 <= a28) && !(1 == \old(a11))) || ((((1 == a19 && 1 == a11) && \old(a28) <= 7) && 9 <= a28) && !(1 == \old(a11))))) && 1 == a25)) || !(\old(a17) <= 8)) || ((((1 == a19 && a17 <= \old(a17)) && a11 == \old(a11)) && a28 <= 10) && !(1 == \old(a25)))) || ((((1 == a19 && a17 <= \old(a17)) && a11 == \old(a11)) && !(1 == \old(a25))) && 1 == a25)) || ((((1 == a19 && a17 <= \old(a17)) && a11 == \old(a11)) && a28 <= 7) && a25 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.9s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 868 SDtfs, 4138 SDslu, 522 SDs, 0 SdLazy, 6842 SolverSat, 1159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2478 GetRequests, 2424 SyntacticMatches, 8 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3582occurred 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, 646 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 141 PreInvPairs, 193 NumberOfFragments, 1013 HoareAnnotationTreeSize, 141 FomulaSimplifications, 1756 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3072 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1505 NumberOfCodeBlocks, 1505 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2447 ConstructedInterpolants, 0 QuantifiedInterpolants, 721127 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4110 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 800/839 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...