/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 01:24:19,939 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 01:24:19,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:24:19,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:24:19,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:24:19,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:24:19,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:24:19,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:24:19,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:24:19,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:24:20,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:24:20,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:24:20,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:24:20,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:24:20,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 01:24:20,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 01:24:20,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 01:24:20,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 01:24:20,023 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 01:24:20,060 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:24:20,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:24:20,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:24:20,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:24:20,062 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:24:20,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:24:20,063 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:24:20,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:24:20,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:24:20,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:24:20,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:24:20,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:24:20,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:24:20,066 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:24:20,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:24:20,066 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:24:20,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:24:20,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:24:20,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:24:20,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:24:20,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:24:20,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:24:20,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:24:20,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:24:20,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:24:20,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:24:20,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:20,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:24:20,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:24:20,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 01:24:20,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:24:20,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:24:20,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:24:20,389 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:24:20,390 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:24:20,390 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22.c [2020-07-21 01:24:20,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0773992a3/8e217a6438784656868dd115ad636ce4/FLAG69c9dc4e9 [2020-07-21 01:24:20,969 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:24:20,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label22.c [2020-07-21 01:24:20,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0773992a3/8e217a6438784656868dd115ad636ce4/FLAG69c9dc4e9 [2020-07-21 01:24:21,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0773992a3/8e217a6438784656868dd115ad636ce4 [2020-07-21 01:24:21,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:24:21,256 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:24:21,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:24:21,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:24:21,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:24:21,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:24:21" (1/1) ... [2020-07-21 01:24:21,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bb7d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:21, skipping insertion in model container [2020-07-21 01:24:21,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:24:21" (1/1) ... [2020-07-21 01:24:21,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:24:21,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:24:21,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:24:21,909 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:24:22,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:24:22,034 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:24:22,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:22 WrapperNode [2020-07-21 01:24:22,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:24:22,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:24:22,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:24:22,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:24:22,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:22" (1/1) ... [2020-07-21 01:24:22,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:22" (1/1) ... [2020-07-21 01:24:22,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:22" (1/1) ... [2020-07-21 01:24:22,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:22" (1/1) ... [2020-07-21 01:24:22,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:22" (1/1) ... [2020-07-21 01:24:22,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:22" (1/1) ... [2020-07-21 01:24:22,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:22" (1/1) ... [2020-07-21 01:24:22,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:24:22,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:24:22,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:24:22,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:24:22,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:22" (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 01:24:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:24:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:24:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 01:24:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:24:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 01:24:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:24:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 01:24:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 01:24:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:24:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:24:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:24:23,442 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:24:23,442 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 01:24:23,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:24:23 BoogieIcfgContainer [2020-07-21 01:24:23,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:24:23,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:24:23,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:24:23,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:24:23,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:24:21" (1/3) ... [2020-07-21 01:24:23,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26953353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:24:23, skipping insertion in model container [2020-07-21 01:24:23,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:22" (2/3) ... [2020-07-21 01:24:23,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26953353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:24:23, skipping insertion in model container [2020-07-21 01:24:23,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:24:23" (3/3) ... [2020-07-21 01:24:23,466 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label22.c [2020-07-21 01:24:23,476 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:24:23,487 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:24:23,502 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:24:23,536 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:24:23,537 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:24:23,537 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:24:23,537 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:24:23,538 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:24:23,538 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:24:23,538 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:24:23,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:24:23,560 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 01:24:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-21 01:24:23,572 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:23,573 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] [2020-07-21 01:24:23,574 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:23,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:23,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1125290487, now seen corresponding path program 1 times [2020-07-21 01:24:23,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:23,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549201362] [2020-07-21 01:24:23,590 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:23,803 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:24:23,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:23,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 01:24:23,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:24,326 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 01:24:24,336 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 01:24:24,336 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 01:24:24,473 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 01:24:24,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:24:24,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549201362] [2020-07-21 01:24:24,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:24:24,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 01:24:24,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206900669] [2020-07-21 01:24:24,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 01:24:24,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:24,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 01:24:24,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 01:24:24,503 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 01:24:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:25,735 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 01:24:25,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 01:24:25,738 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-07-21 01:24:25,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:25,759 INFO L225 Difference]: With dead ends: 527 [2020-07-21 01:24:25,759 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 01:24:25,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-07-21 01:24:25,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 01:24:25,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 01:24:25,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 01:24:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 01:24:25,828 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 103 [2020-07-21 01:24:25,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:25,829 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 01:24:25,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 01:24:25,829 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 01:24:25,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 01:24:25,833 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:25,833 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] [2020-07-21 01:24:26,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:26,047 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:26,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:26,049 INFO L82 PathProgramCache]: Analyzing trace with hash 451144696, now seen corresponding path program 1 times [2020-07-21 01:24:26,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:26,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274252168] [2020-07-21 01:24:26,051 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:26,140 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:24:26,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:26,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 01:24:26,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:26,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:27,036 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 01:24:27,038 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 01:24:27,039 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 01:24:27,041 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:24:27,042 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:24:27,063 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 01:24:27,063 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 01:24:27,108 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:24:27,175 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:24:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:27,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274252168] [2020-07-21 01:24:27,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:27,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 01:24:27,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631511239] [2020-07-21 01:24:27,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 01:24:27,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:27,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 01:24:27,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 01:24:27,302 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 01:24:28,286 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 01:24:29,453 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 01:24:30,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:30,965 INFO L93 Difference]: Finished difference Result 740 states and 1084 transitions. [2020-07-21 01:24:30,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 01:24:30,966 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 112 [2020-07-21 01:24:30,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:30,973 INFO L225 Difference]: With dead ends: 740 [2020-07-21 01:24:30,973 INFO L226 Difference]: Without dead ends: 425 [2020-07-21 01:24:30,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 201 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2020-07-21 01:24:30,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-07-21 01:24:31,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2020-07-21 01:24:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 01:24:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 534 transitions. [2020-07-21 01:24:31,013 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 534 transitions. Word has length 112 [2020-07-21 01:24:31,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:31,014 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 534 transitions. [2020-07-21 01:24:31,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 01:24:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 534 transitions. [2020-07-21 01:24:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-21 01:24:31,018 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:31,018 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 01:24:31,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:31,230 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:31,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:31,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1514897792, now seen corresponding path program 1 times [2020-07-21 01:24:31,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:31,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [565178822] [2020-07-21 01:24:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 01:24:31,332 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:24:31,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:31,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:31,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:31,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:24:31,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [565178822] [2020-07-21 01:24:31,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:24:31,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:24:31,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947634519] [2020-07-21 01:24:31,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:24:31,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:31,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:24:31,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:24:31,377 INFO L87 Difference]: Start difference. First operand 393 states and 534 transitions. Second operand 3 states. [2020-07-21 01:24:31,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:31,984 INFO L93 Difference]: Finished difference Result 1075 states and 1497 transitions. [2020-07-21 01:24:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:24:31,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-07-21 01:24:31,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:31,998 INFO L225 Difference]: With dead ends: 1075 [2020-07-21 01:24:31,998 INFO L226 Difference]: Without dead ends: 688 [2020-07-21 01:24:32,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 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 01:24:32,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-07-21 01:24:32,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 684. [2020-07-21 01:24:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-07-21 01:24:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 860 transitions. [2020-07-21 01:24:32,046 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 860 transitions. Word has length 116 [2020-07-21 01:24:32,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:32,046 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 860 transitions. [2020-07-21 01:24:32,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:24:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 860 transitions. [2020-07-21 01:24:32,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-21 01:24:32,056 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:32,056 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] [2020-07-21 01:24:32,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:32,270 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:32,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:32,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1054792408, now seen corresponding path program 1 times [2020-07-21 01:24:32,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:32,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181429061] [2020-07-21 01:24:32,272 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:32,371 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:24:32,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:32,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:32,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:32,419 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 01:24:32,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:24:32,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181429061] [2020-07-21 01:24:32,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:24:32,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:24:32,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475931025] [2020-07-21 01:24:32,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:24:32,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:32,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:24:32,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:24:32,422 INFO L87 Difference]: Start difference. First operand 684 states and 860 transitions. Second operand 3 states. [2020-07-21 01:24:33,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:33,041 INFO L93 Difference]: Finished difference Result 1658 states and 2156 transitions. [2020-07-21 01:24:33,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:24:33,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-21 01:24:33,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:33,054 INFO L225 Difference]: With dead ends: 1658 [2020-07-21 01:24:33,055 INFO L226 Difference]: Without dead ends: 980 [2020-07-21 01:24:33,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 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 01:24:33,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-07-21 01:24:33,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 980. [2020-07-21 01:24:33,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-07-21 01:24:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1212 transitions. [2020-07-21 01:24:33,113 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1212 transitions. Word has length 138 [2020-07-21 01:24:33,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:33,115 INFO L479 AbstractCegarLoop]: Abstraction has 980 states and 1212 transitions. [2020-07-21 01:24:33,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:24:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1212 transitions. [2020-07-21 01:24:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-21 01:24:33,122 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:33,122 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:24:33,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:33,338 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:33,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:33,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1731271799, now seen corresponding path program 1 times [2020-07-21 01:24:33,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:33,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10266722] [2020-07-21 01:24:33,340 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:33,462 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:24:33,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:33,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:33,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:33,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:24:33,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10266722] [2020-07-21 01:24:33,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:24:33,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:24:33,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886295107] [2020-07-21 01:24:33,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:24:33,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:33,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:24:33,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:24:33,526 INFO L87 Difference]: Start difference. First operand 980 states and 1212 transitions. Second operand 3 states. [2020-07-21 01:24:34,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:34,132 INFO L93 Difference]: Finished difference Result 2248 states and 2875 transitions. [2020-07-21 01:24:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:24:34,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-07-21 01:24:34,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:34,144 INFO L225 Difference]: With dead ends: 2248 [2020-07-21 01:24:34,145 INFO L226 Difference]: Without dead ends: 1274 [2020-07-21 01:24:34,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 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 01:24:34,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2020-07-21 01:24:34,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1272. [2020-07-21 01:24:34,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2020-07-21 01:24:34,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1613 transitions. [2020-07-21 01:24:34,190 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1613 transitions. Word has length 137 [2020-07-21 01:24:34,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:34,191 INFO L479 AbstractCegarLoop]: Abstraction has 1272 states and 1613 transitions. [2020-07-21 01:24:34,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:24:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1613 transitions. [2020-07-21 01:24:34,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 01:24:34,195 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:34,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:24:34,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:34,410 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:34,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:34,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1633335884, now seen corresponding path program 1 times [2020-07-21 01:24:34,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:34,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105944627] [2020-07-21 01:24:34,413 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:34,503 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:24:34,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:34,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:24:34,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:34,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:34,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105944627] [2020-07-21 01:24:34,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:34,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:24:34,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601683889] [2020-07-21 01:24:34,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:24:34,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:34,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:24:34,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:24:34,607 INFO L87 Difference]: Start difference. First operand 1272 states and 1613 transitions. Second operand 7 states. [2020-07-21 01:24:36,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:36,056 INFO L93 Difference]: Finished difference Result 4698 states and 6235 transitions. [2020-07-21 01:24:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 01:24:36,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2020-07-21 01:24:36,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:36,075 INFO L225 Difference]: With dead ends: 4698 [2020-07-21 01:24:36,075 INFO L226 Difference]: Without dead ends: 3432 [2020-07-21 01:24:36,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 284 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 01:24:36,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3432 states. [2020-07-21 01:24:36,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3432 to 3428. [2020-07-21 01:24:36,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3428 states. [2020-07-21 01:24:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 3428 states and 4376 transitions. [2020-07-21 01:24:36,183 INFO L78 Accepts]: Start accepts. Automaton has 3428 states and 4376 transitions. Word has length 144 [2020-07-21 01:24:36,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:36,183 INFO L479 AbstractCegarLoop]: Abstraction has 3428 states and 4376 transitions. [2020-07-21 01:24:36,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:24:36,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 4376 transitions. [2020-07-21 01:24:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 01:24:36,192 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:36,193 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:24:36,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:36,407 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:36,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:36,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1952861064, now seen corresponding path program 1 times [2020-07-21 01:24:36,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:36,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584029084] [2020-07-21 01:24:36,410 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:36,501 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:24:36,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:36,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:24:36,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:36,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:36,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584029084] [2020-07-21 01:24:36,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:36,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:24:36,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279099975] [2020-07-21 01:24:36,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:24:36,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:36,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:24:36,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:24:36,609 INFO L87 Difference]: Start difference. First operand 3428 states and 4376 transitions. Second operand 7 states. [2020-07-21 01:24:37,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:37,521 INFO L93 Difference]: Finished difference Result 9000 states and 12205 transitions. [2020-07-21 01:24:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:24:37,522 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-07-21 01:24:37,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:37,561 INFO L225 Difference]: With dead ends: 9000 [2020-07-21 01:24:37,561 INFO L226 Difference]: Without dead ends: 5581 [2020-07-21 01:24:37,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 303 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 01:24:37,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2020-07-21 01:24:37,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 5516. [2020-07-21 01:24:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5516 states. [2020-07-21 01:24:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5516 states to 5516 states and 7016 transitions. [2020-07-21 01:24:37,780 INFO L78 Accepts]: Start accepts. Automaton has 5516 states and 7016 transitions. Word has length 154 [2020-07-21 01:24:37,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:37,780 INFO L479 AbstractCegarLoop]: Abstraction has 5516 states and 7016 transitions. [2020-07-21 01:24:37,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:24:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 5516 states and 7016 transitions. [2020-07-21 01:24:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-21 01:24:37,791 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:37,791 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:24:38,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:38,006 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:38,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:38,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1968512932, now seen corresponding path program 1 times [2020-07-21 01:24:38,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:38,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160071252] [2020-07-21 01:24:38,008 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:38,117 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:24:38,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:38,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:38,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 01:24:38,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 01:24:38,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160071252] [2020-07-21 01:24:38,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:38,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:24:38,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846418132] [2020-07-21 01:24:38,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:24:38,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:38,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:24:38,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:24:38,244 INFO L87 Difference]: Start difference. First operand 5516 states and 7016 transitions. Second operand 7 states. [2020-07-21 01:24:39,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:39,453 INFO L93 Difference]: Finished difference Result 12076 states and 15320 transitions. [2020-07-21 01:24:39,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:24:39,454 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-07-21 01:24:39,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:39,480 INFO L225 Difference]: With dead ends: 12076 [2020-07-21 01:24:39,480 INFO L226 Difference]: Without dead ends: 5371 [2020-07-21 01:24:39,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:24:39,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5371 states. [2020-07-21 01:24:39,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5371 to 4886. [2020-07-21 01:24:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4886 states. [2020-07-21 01:24:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 5888 transitions. [2020-07-21 01:24:39,613 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 5888 transitions. Word has length 166 [2020-07-21 01:24:39,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:39,613 INFO L479 AbstractCegarLoop]: Abstraction has 4886 states and 5888 transitions. [2020-07-21 01:24:39,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:24:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 5888 transitions. [2020-07-21 01:24:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-07-21 01:24:39,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:39,628 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:24:39,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:39,842 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:39,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:39,843 INFO L82 PathProgramCache]: Analyzing trace with hash 690822455, now seen corresponding path program 1 times [2020-07-21 01:24:39,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:39,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783069364] [2020-07-21 01:24:39,844 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:39,942 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:24:39,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:39,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:39,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-21 01:24:39,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 142 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-21 01:24:40,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783069364] [2020-07-21 01:24:40,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:40,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:24:40,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356381698] [2020-07-21 01:24:40,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:24:40,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:40,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:24:40,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:24:40,147 INFO L87 Difference]: Start difference. First operand 4886 states and 5888 transitions. Second operand 7 states. [2020-07-21 01:24:41,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:41,402 INFO L93 Difference]: Finished difference Result 8158 states and 9796 transitions. [2020-07-21 01:24:41,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 01:24:41,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 224 [2020-07-21 01:24:41,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:41,415 INFO L225 Difference]: With dead ends: 8158 [2020-07-21 01:24:41,416 INFO L226 Difference]: Without dead ends: 3405 [2020-07-21 01:24:41,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 446 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 01:24:41,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2020-07-21 01:24:41,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3394. [2020-07-21 01:24:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3394 states. [2020-07-21 01:24:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 3746 transitions. [2020-07-21 01:24:41,500 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 3746 transitions. Word has length 224 [2020-07-21 01:24:41,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:41,500 INFO L479 AbstractCegarLoop]: Abstraction has 3394 states and 3746 transitions. [2020-07-21 01:24:41,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:24:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 3746 transitions. [2020-07-21 01:24:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-07-21 01:24:41,510 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:41,510 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:24:41,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:41,724 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:41,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:41,725 INFO L82 PathProgramCache]: Analyzing trace with hash -900798159, now seen corresponding path program 1 times [2020-07-21 01:24:41,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:41,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [811770503] [2020-07-21 01:24:41,726 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:41,822 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 01:24:41,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:41,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:41,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-07-21 01:24:41,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 170 proven. 26 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2020-07-21 01:24:42,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [811770503] [2020-07-21 01:24:42,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:42,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:24:42,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640568578] [2020-07-21 01:24:42,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:24:42,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:42,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:24:42,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:24:42,020 INFO L87 Difference]: Start difference. First operand 3394 states and 3746 transitions. Second operand 7 states. [2020-07-21 01:24:42,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:42,408 INFO L93 Difference]: Finished difference Result 5562 states and 6147 transitions. [2020-07-21 01:24:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 01:24:42,409 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 248 [2020-07-21 01:24:42,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:42,409 INFO L225 Difference]: With dead ends: 5562 [2020-07-21 01:24:42,410 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 01:24:42,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 490 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 01:24:42,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 01:24:42,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 01:24:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 01:24:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 01:24:42,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2020-07-21 01:24:42,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:42,420 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 01:24:42,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:24:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 01:24:42,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 01:24:42,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:42,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 01:24:44,077 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 107 [2020-07-21 01:24:44,431 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2020-07-21 01:24:44,718 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-07-21 01:24:44,722 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:24:44,723 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)|) (= ~a19~0 |old(~a19~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) (not (= 1 ~a21~0))) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 01:24:44,723 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:24:44,723 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,724 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,724 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,724 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,724 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,724 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 01:24:44,724 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 01:24:44,724 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 01:24:44,725 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 01:24:44,725 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 01:24:44,725 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 01:24:44,725 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 01:24:44,725 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 01:24:44,725 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 01:24:44,725 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 01:24:44,725 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 01:24:44,725 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 01:24:44,726 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 01:24:44,726 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,726 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,726 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,726 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,726 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 01:24:44,726 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,726 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 01:24:44,727 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 01:24:44,727 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 01:24:44,727 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 01:24:44,727 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 01:24:44,727 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 01:24:44,727 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 01:24:44,727 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 01:24:44,727 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 01:24:44,728 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 01:24:44,728 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 01:24:44,728 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 01:24:44,728 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 01:24:44,728 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 01:24:44,728 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 01:24:44,728 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,729 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,729 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,729 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,729 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,729 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2020-07-21 01:24:44,729 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 01:24:44,729 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 01:24:44,729 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 01:24:44,730 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 01:24:44,730 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 01:24:44,730 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 01:24:44,730 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 01:24:44,730 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 01:24:44,730 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 01:24:44,730 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 01:24:44,730 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 01:24:44,731 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,731 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,731 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,731 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,731 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,731 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 01:24:44,731 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 01:24:44,731 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 01:24:44,731 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,732 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,733 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,733 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,733 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,733 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 01:24:44,733 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 01:24:44,733 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 01:24:44,733 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 01:24:44,733 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 01:24:44,733 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,734 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 01:24:44,735 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,736 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,737 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,737 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,737 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 01:24:44,737 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 01:24:44,737 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 01:24:44,737 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 01:24:44,737 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 01:24:44,737 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 01:24:44,737 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 01:24:44,738 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 01:24:44,738 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 01:24:44,738 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 01:24:44,738 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 01:24:44,738 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,738 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,738 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,738 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,739 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,739 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,739 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 01:24:44,739 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 01:24:44,739 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 01:24:44,739 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 01:24:44,739 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 01:24:44,739 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 01:24:44,740 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 01:24:44,740 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 01:24:44,740 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 01:24:44,740 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 01:24:44,740 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 01:24:44,740 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 01:24:44,740 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 01:24:44,740 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 01:24:44,740 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,741 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,741 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,741 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse19 (not (= 1 ~a21~0)))) (let ((.cse3 (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) .cse19)) (.cse12 (not (<= 11 |old(~a28~0)|))) (.cse16 (<= 11 ~a28~0)) (.cse21 (not (<= 10 |old(~a28~0)|))) (.cse22 (< ~a28~0 11)) (.cse23 (<= 10 ~a28~0)) (.cse24 (not (< |old(~a28~0)| 11))) (.cse7 (not (<= 9 |old(~a28~0)|))) (.cse5 (not (= 1 |old(~a25~0)|))) (.cse6 (not (<= |old(~a17~0)| 7))) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (<= 9 ~a28~0)) (.cse4 (= 1 ~a25~0)) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse17 (<= ~a11~0 |old(~a11~0)|)) (.cse25 (not (= 8 |old(~a17~0)|))) (.cse26 (and (not (= 6 |calculate_output_#in~input|)) (not (= 1 |calculate_output_#in~input|)) (not (= 4 |calculate_output_#in~input|)) (not (= 5 |calculate_output_#in~input|)) (not (= 3 |calculate_output_#in~input|)))) (.cse20 (not (<= |old(~a11~0)| 0))) (.cse8 (not (<= |old(~a28~0)| 9))) (.cse9 (not (<= 8 |old(~a17~0)|))) (.cse10 (not (<= |old(~a17~0)| 8))) (.cse13 (<= ~a28~0 |old(~a28~0)|)) (.cse14 (<= ~a17~0 8)) (.cse15 (<= 8 ~a17~0)) (.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse18 (= ~a25~0 |old(~a25~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse9 .cse5 .cse12 (and .cse13 .cse14 .cse15 .cse2 .cse16 .cse4) .cse10) (or .cse7 (and .cse17 .cse1 .cse2 .cse11 .cse18) .cse6 .cse19 .cse20) (or .cse0 .cse9 .cse21 (and .cse1 .cse15 .cse22 .cse23 .cse2 .cse3 .cse18) .cse24) (or .cse17 .cse5 .cse21 .cse10 .cse19 .cse20 .cse24) (or .cse0 .cse25 (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (= 7 ~a28~0) .cse26 .cse19 .cse20) (or .cse0 .cse12 .cse6 .cse16) (or (and .cse1 .cse23 .cse2 .cse18) .cse6 .cse21) (or .cse17 .cse8 .cse9 .cse10 .cse19 .cse20) (or .cse17 .cse0 .cse5 .cse21 .cse10 .cse19 .cse20) (or .cse9 .cse5 .cse21 (and .cse14 .cse15 .cse22 .cse23 .cse2 .cse4) .cse10 .cse24) (or .cse7 .cse5 .cse6 (and .cse1 .cse2 .cse11 .cse4)) (or .cse0 .cse17 (not (= 10 |old(~a28~0)|)) .cse25 .cse26 .cse19 .cse20) (or .cse8 .cse9 .cse10 (and .cse13 .cse14 .cse15 .cse2 .cse18))))) [2020-07-21 01:24:44,741 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,741 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,742 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,742 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 01:24:44,742 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 01:24:44,742 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 01:24:44,742 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 01:24:44,742 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 01:24:44,742 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 01:24:44,742 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 01:24:44,743 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 01:24:44,743 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 01:24:44,743 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 01:24:44,743 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 01:24:44,743 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 01:24:44,743 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 01:24:44,743 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,743 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,743 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,744 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,744 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,744 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,744 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 01:24:44,744 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 01:24:44,744 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 01:24:44,744 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 01:24:44,744 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 01:24:44,744 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 01:24:44,745 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 01:24:44,745 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 01:24:44,745 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 01:24:44,745 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 01:24:44,745 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 01:24:44,745 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 01:24:44,745 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 01:24:44,745 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 01:24:44,745 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 01:24:44,746 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 01:24:44,746 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,746 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,746 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,746 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,746 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:44,746 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 01:24:44,746 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 01:24:44,746 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 01:24:44,747 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 01:24:44,747 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 01:24:44,747 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 01:24:44,747 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 01:24:44,747 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 01:24:44,747 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 01:24:44,747 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 01:24:44,747 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 01:24:44,747 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 01:24:44,748 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 01:24:44,748 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 01:24:44,748 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 01:24:44,748 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 01:24:44,748 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 01:24:44,748 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 01:24:44,748 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 01:24:44,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:24:44,749 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 7 ~a28~0) (= 1 ~a21~0) (= 8 ~a17~0)) [2020-07-21 01:24:44,749 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 01:24:44,749 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:24:44,749 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a11~0 |old(~a11~0)|) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|) (= 8 ~a17~0) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0))) [2020-07-21 01:24:44,749 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= 1 ~a19~0)) (.cse4 (< ~a28~0 11)) (.cse1 (<= 9 ~a28~0)) (.cse6 (= 1 ~a25~0)) (.cse5 (<= ~a17~0 8)) (.cse0 (<= ~a17~0 7)) (.cse3 (<= 10 ~a28~0))) (or (not (= 1 |old(~a19~0)|)) (and (<= ~a11~0 0) .cse0 .cse1) (not (= 8 |old(~a17~0)|)) (and .cse2 (<= ~a17~0 |old(~a17~0)|) .cse3 .cse4) (and .cse2 .cse5 .cse6) (and .cse5 .cse4 .cse1 .cse6) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse5 (<= 8 ~a17~0) (<= ~a28~0 9)) (not (= 1 ~a21~0)) (and .cse0 .cse3) (not (<= |old(~a11~0)| 0)))) [2020-07-21 01:24:44,749 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 01:24:44,749 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 01:24:44,750 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= 1 ~a19~0)) (.cse4 (< ~a28~0 11)) (.cse1 (<= 9 ~a28~0)) (.cse6 (= 1 ~a25~0)) (.cse5 (<= ~a17~0 8)) (.cse0 (<= ~a17~0 7)) (.cse3 (<= 10 ~a28~0))) (or (not (= 1 |old(~a19~0)|)) (and (<= ~a11~0 0) .cse0 .cse1) (not (= 8 |old(~a17~0)|)) (and .cse2 (<= ~a17~0 |old(~a17~0)|) .cse3 .cse4) (and .cse2 .cse5 .cse6) (and .cse5 .cse4 .cse1 .cse6) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse5 (<= 8 ~a17~0) (<= ~a28~0 9)) (not (= 1 ~a21~0)) (and .cse0 .cse3) (not (<= |old(~a11~0)| 0)))) [2020-07-21 01:24:44,750 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 01:24:44,750 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 01:24:44,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:24:44 BoogieIcfgContainer [2020-07-21 01:24:44,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 01:24:44,771 INFO L168 Benchmark]: Toolchain (without parser) took 23517.08 ms. Allocated memory was 137.4 MB in the beginning and 544.2 MB in the end (delta: 406.8 MB). Free memory was 99.3 MB in the beginning and 412.6 MB in the end (delta: -313.3 MB). Peak memory consumption was 435.5 MB. Max. memory is 7.1 GB. [2020-07-21 01:24:44,772 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 01:24:44,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.78 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 98.8 MB in the beginning and 169.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-07-21 01:24:44,774 INFO L168 Benchmark]: Boogie Preprocessor took 120.46 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 01:24:44,774 INFO L168 Benchmark]: RCFGBuilder took 1296.18 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 164.7 MB in the beginning and 181.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-07-21 01:24:44,775 INFO L168 Benchmark]: TraceAbstraction took 21314.86 ms. Allocated memory was 233.8 MB in the beginning and 544.2 MB in the end (delta: 310.4 MB). Free memory was 179.7 MB in the beginning and 412.6 MB in the end (delta: -232.8 MB). Peak memory consumption was 419.6 MB. Max. memory is 7.1 GB. [2020-07-21 01:24:44,778 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 778.78 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 98.8 MB in the beginning and 169.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.46 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1296.18 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 164.7 MB in the beginning and 181.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21314.86 ms. Allocated memory was 233.8 MB in the beginning and 544.2 MB in the end (delta: 310.4 MB). Free memory was 179.7 MB in the beginning and 412.6 MB in the end (delta: -232.8 MB). Peak memory consumption was 419.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: 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)) || ((a11 <= 0 && a17 <= 7) && 9 <= a28)) || !(8 == \old(a17))) || (((1 == a19 && a17 <= \old(a17)) && 10 <= a28) && a28 < 11)) || ((1 == a19 && a17 <= 8) && 1 == a25)) || (((a17 <= 8 && a28 < 11) && 9 <= a28) && 1 == a25)) || !(7 == \old(a28))) || !(\old(a25) <= 0)) || ((a17 <= 8 && 8 <= a17) && a28 <= 9)) || !(1 == a21)) || (a17 <= 7 && 10 <= a28)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.1s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1079 SDtfs, 4353 SDslu, 791 SDs, 0 SdLazy, 8753 SolverSat, 1220 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2630 GetRequests, 2530 SyntacticMatches, 6 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5516occurred 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: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 603 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 173 PreInvPairs, 235 NumberOfFragments, 743 HoareAnnotationTreeSize, 173 FomulaSimplifications, 2124 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2220 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1542 NumberOfCodeBlocks, 961 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2574 ConstructedInterpolants, 0 QuantifiedInterpolants, 1475591 SizeOfPredicates, 41 NumberOfNonLiveVariables, 3275 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 1595/1671 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...