/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/Problem10_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 01:27:14,032 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 01:27:14,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:27:14,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:27:14,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:27:14,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:27:14,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:27:14,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:27:14,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:27:14,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:27:14,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:27:14,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:27:14,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:27:14,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:27:14,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 01:27:14,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 01:27:14,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 01:27:14,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 01:27:14,099 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 01:27:14,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:27:14,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:27:14,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:27:14,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:27:14,135 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:27:14,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:27:14,136 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:27:14,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:27:14,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:27:14,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:27:14,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:27:14,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:27:14,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:27:14,138 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:27:14,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:27:14,138 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:27:14,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:27:14,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:27:14,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:27:14,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:27:14,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:27:14,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:27:14,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:27:14,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:27:14,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:27:14,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:27:14,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:14,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:27:14,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:27:14,145 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 01:27:14,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:27:14,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:27:14,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:27:14,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:27:14,430 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:27:14,430 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-07-21 01:27:14,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6d81e5a9/418707857c8e4b6b8a9edba023fe48d9/FLAG597982aa5 [2020-07-21 01:27:15,054 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:27:15,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-07-21 01:27:15,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6d81e5a9/418707857c8e4b6b8a9edba023fe48d9/FLAG597982aa5 [2020-07-21 01:27:15,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6d81e5a9/418707857c8e4b6b8a9edba023fe48d9 [2020-07-21 01:27:15,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:27:15,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:27:15,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:27:15,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:27:15,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:27:15,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:27:15" (1/1) ... [2020-07-21 01:27:15,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396faac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:15, skipping insertion in model container [2020-07-21 01:27:15,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:27:15" (1/1) ... [2020-07-21 01:27:15,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:27:15,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:27:15,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:27:15,914 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:27:16,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:27:16,050 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:27:16,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:16 WrapperNode [2020-07-21 01:27:16,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:27:16,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:27:16,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:27:16,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:27:16,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:16" (1/1) ... [2020-07-21 01:27:16,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:16" (1/1) ... [2020-07-21 01:27:16,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:16" (1/1) ... [2020-07-21 01:27:16,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:16" (1/1) ... [2020-07-21 01:27:16,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:16" (1/1) ... [2020-07-21 01:27:16,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:16" (1/1) ... [2020-07-21 01:27:16,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:16" (1/1) ... [2020-07-21 01:27:16,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:27:16,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:27:16,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:27:16,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:27:16,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:16" (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 01:27:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:27:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:27:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 01:27:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:27:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 01:27:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:27:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 01:27:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 01:27:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:27:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:27:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:27:17,450 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:27:17,451 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 01:27:17,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:27:17 BoogieIcfgContainer [2020-07-21 01:27:17,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:27:17,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:27:17,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:27:17,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:27:17,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:27:15" (1/3) ... [2020-07-21 01:27:17,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435dee1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:27:17, skipping insertion in model container [2020-07-21 01:27:17,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:27:16" (2/3) ... [2020-07-21 01:27:17,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435dee1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:27:17, skipping insertion in model container [2020-07-21 01:27:17,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:27:17" (3/3) ... [2020-07-21 01:27:17,467 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-07-21 01:27:17,477 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:27:17,485 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:27:17,498 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:27:17,523 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:27:17,523 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:27:17,523 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:27:17,524 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:27:17,524 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:27:17,524 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:27:17,524 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:27:17,524 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:27:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-21 01:27:17,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-21 01:27:17,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:27:17,558 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] [2020-07-21 01:27:17,559 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:27:17,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:27:17,565 INFO L82 PathProgramCache]: Analyzing trace with hash 92787543, now seen corresponding path program 1 times [2020-07-21 01:27:17,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:27:17,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797769639] [2020-07-21 01:27:17,574 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 01:27:17,670 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:27:17,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:27:17,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 01:27:17,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:27:17,771 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 01:27:17,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:27:17,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797769639] [2020-07-21 01:27:17,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:27:17,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:27:17,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371448608] [2020-07-21 01:27:17,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:27:17,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:27:17,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:27:17,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:27:17,808 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-21 01:27:18,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:27:18,838 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2020-07-21 01:27:18,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:27:18,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-21 01:27:18,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:27:18,867 INFO L225 Difference]: With dead ends: 571 [2020-07-21 01:27:18,867 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 01:27:18,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 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 01:27:18,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 01:27:18,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-21 01:27:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-21 01:27:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2020-07-21 01:27:18,960 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 34 [2020-07-21 01:27:18,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:27:18,961 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2020-07-21 01:27:18,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:27:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2020-07-21 01:27:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-21 01:27:18,966 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:27:18,967 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:19,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:19,183 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:27:19,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:27:19,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1726225535, now seen corresponding path program 1 times [2020-07-21 01:27:19,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:27:19,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746727091] [2020-07-21 01:27:19,185 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 01:27:19,259 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:27:19,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:27:19,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 01:27:19,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:27:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:27:19,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:27:19,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746727091] [2020-07-21 01:27:19,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:27:19,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 01:27:19,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258782190] [2020-07-21 01:27:19,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 01:27:19,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:27:19,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 01:27:19,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 01:27:19,338 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 5 states. [2020-07-21 01:27:20,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:27:20,274 INFO L93 Difference]: Finished difference Result 737 states and 1125 transitions. [2020-07-21 01:27:20,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:27:20,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-21 01:27:20,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:27:20,283 INFO L225 Difference]: With dead ends: 737 [2020-07-21 01:27:20,284 INFO L226 Difference]: Without dead ends: 449 [2020-07-21 01:27:20,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:27:20,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-07-21 01:27:20,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2020-07-21 01:27:20,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-21 01:27:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 634 transitions. [2020-07-21 01:27:20,320 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 634 transitions. Word has length 107 [2020-07-21 01:27:20,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:27:20,321 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 634 transitions. [2020-07-21 01:27:20,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 01:27:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 634 transitions. [2020-07-21 01:27:20,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 01:27:20,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:27:20,326 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:20,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:20,536 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:27:20,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:27:20,538 INFO L82 PathProgramCache]: Analyzing trace with hash 336244821, now seen corresponding path program 1 times [2020-07-21 01:27:20,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:27:20,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1515629312] [2020-07-21 01:27:20,539 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 01:27:20,619 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:27:20,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:27:20,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:27:20,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:27:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:27:20,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:27:20,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1515629312] [2020-07-21 01:27:20,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:27:20,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:27:20,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104968772] [2020-07-21 01:27:20,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:27:20,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:27:20,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:27:20,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:27:20,666 INFO L87 Difference]: Start difference. First operand 443 states and 634 transitions. Second operand 3 states. [2020-07-21 01:27:21,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:27:21,336 INFO L93 Difference]: Finished difference Result 1172 states and 1736 transitions. [2020-07-21 01:27:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:27:21,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-21 01:27:21,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:27:21,344 INFO L225 Difference]: With dead ends: 1172 [2020-07-21 01:27:21,344 INFO L226 Difference]: Without dead ends: 878 [2020-07-21 01:27:21,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 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 01:27:21,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2020-07-21 01:27:21,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 878. [2020-07-21 01:27:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-07-21 01:27:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1251 transitions. [2020-07-21 01:27:21,386 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1251 transitions. Word has length 113 [2020-07-21 01:27:21,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:27:21,387 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1251 transitions. [2020-07-21 01:27:21,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:27:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1251 transitions. [2020-07-21 01:27:21,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 01:27:21,396 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:27:21,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:21,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:21,609 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:27:21,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:27:21,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1211821722, now seen corresponding path program 1 times [2020-07-21 01:27:21,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:27:21,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503759928] [2020-07-21 01:27:21,611 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 01:27:21,696 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:27:21,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:27:21,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 01:27:21,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:27:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:27:21,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:27:21,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503759928] [2020-07-21 01:27:21,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:27:21,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 01:27:21,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185076290] [2020-07-21 01:27:21,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 01:27:21,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:27:21,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 01:27:21,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 01:27:21,795 INFO L87 Difference]: Start difference. First operand 878 states and 1251 transitions. Second operand 5 states. [2020-07-21 01:27:22,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:27:22,742 INFO L93 Difference]: Finished difference Result 1492 states and 2221 transitions. [2020-07-21 01:27:22,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 01:27:22,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-07-21 01:27:22,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:27:22,748 INFO L225 Difference]: With dead ends: 1492 [2020-07-21 01:27:22,749 INFO L226 Difference]: Without dead ends: 763 [2020-07-21 01:27:22,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 01:27:22,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2020-07-21 01:27:22,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 592. [2020-07-21 01:27:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-07-21 01:27:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 718 transitions. [2020-07-21 01:27:22,782 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 718 transitions. Word has length 146 [2020-07-21 01:27:22,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:27:22,782 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 718 transitions. [2020-07-21 01:27:22,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 01:27:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 718 transitions. [2020-07-21 01:27:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-07-21 01:27:22,787 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:27:22,787 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:27:23,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:23,003 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:27:23,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:27:23,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1070779543, now seen corresponding path program 1 times [2020-07-21 01:27:23,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:27:23,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901482808] [2020-07-21 01:27:23,006 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 01:27:23,158 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:27:23,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:27:23,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:27:23,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:27:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-21 01:27:23,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:27:23,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901482808] [2020-07-21 01:27:23,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:27:23,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:27:23,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900567220] [2020-07-21 01:27:23,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:27:23,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:27:23,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:27:23,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:27:23,215 INFO L87 Difference]: Start difference. First operand 592 states and 718 transitions. Second operand 3 states. [2020-07-21 01:27:23,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:27:23,846 INFO L93 Difference]: Finished difference Result 886 states and 1115 transitions. [2020-07-21 01:27:23,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:27:23,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2020-07-21 01:27:23,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:27:23,854 INFO L225 Difference]: With dead ends: 886 [2020-07-21 01:27:23,854 INFO L226 Difference]: Without dead ends: 884 [2020-07-21 01:27:23,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 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 01:27:23,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2020-07-21 01:27:23,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 739. [2020-07-21 01:27:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-07-21 01:27:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 892 transitions. [2020-07-21 01:27:23,879 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 892 transitions. Word has length 216 [2020-07-21 01:27:23,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:27:23,880 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 892 transitions. [2020-07-21 01:27:23,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:27:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 892 transitions. [2020-07-21 01:27:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-07-21 01:27:23,884 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:27:23,884 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:27:24,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:24,098 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:27:24,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:27:24,100 INFO L82 PathProgramCache]: Analyzing trace with hash -383915987, now seen corresponding path program 1 times [2020-07-21 01:27:24,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:27:24,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624424485] [2020-07-21 01:27:24,101 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 01:27:24,253 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:27:24,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:27:24,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 01:27:24,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:27:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-21 01:27:24,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:27:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-07-21 01:27:24,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624424485] [2020-07-21 01:27:24,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 01:27:24,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2020-07-21 01:27:24,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461441706] [2020-07-21 01:27:24,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 01:27:24,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:27:24,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 01:27:24,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:27:24,552 INFO L87 Difference]: Start difference. First operand 739 states and 892 transitions. Second operand 5 states. [2020-07-21 01:27:25,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:27:25,379 INFO L93 Difference]: Finished difference Result 1631 states and 2038 transitions. [2020-07-21 01:27:25,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:27:25,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2020-07-21 01:27:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:27:25,385 INFO L225 Difference]: With dead ends: 1631 [2020-07-21 01:27:25,385 INFO L226 Difference]: Without dead ends: 1041 [2020-07-21 01:27:25,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 450 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:27:25,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2020-07-21 01:27:25,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 890. [2020-07-21 01:27:25,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-07-21 01:27:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1066 transitions. [2020-07-21 01:27:25,411 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1066 transitions. Word has length 230 [2020-07-21 01:27:25,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:27:25,411 INFO L479 AbstractCegarLoop]: Abstraction has 890 states and 1066 transitions. [2020-07-21 01:27:25,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 01:27:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1066 transitions. [2020-07-21 01:27:25,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-07-21 01:27:25,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:27:25,417 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 01:27:25,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:25,633 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:27:25,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:27:25,633 INFO L82 PathProgramCache]: Analyzing trace with hash -217131572, now seen corresponding path program 1 times [2020-07-21 01:27:25,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:27:25,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861239775] [2020-07-21 01:27:25,634 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 01:27:25,738 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:27:25,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:27:25,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:27:25,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:27:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-21 01:27:25,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:27:25,978 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 153 proven. 72 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-07-21 01:27:25,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861239775] [2020-07-21 01:27:25,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:27:25,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:27:25,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023342931] [2020-07-21 01:27:25,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:27:25,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:27:25,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:27:25,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:27:25,981 INFO L87 Difference]: Start difference. First operand 890 states and 1066 transitions. Second operand 7 states. [2020-07-21 01:27:27,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:27:27,439 INFO L93 Difference]: Finished difference Result 2213 states and 2766 transitions. [2020-07-21 01:27:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 01:27:27,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 302 [2020-07-21 01:27:27,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:27:27,447 INFO L225 Difference]: With dead ends: 2213 [2020-07-21 01:27:27,447 INFO L226 Difference]: Without dead ends: 1472 [2020-07-21 01:27:27,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 599 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 01:27:27,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2020-07-21 01:27:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1468. [2020-07-21 01:27:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1468 states. [2020-07-21 01:27:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1765 transitions. [2020-07-21 01:27:27,484 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1765 transitions. Word has length 302 [2020-07-21 01:27:27,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:27:27,485 INFO L479 AbstractCegarLoop]: Abstraction has 1468 states and 1765 transitions. [2020-07-21 01:27:27,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:27:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1765 transitions. [2020-07-21 01:27:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-07-21 01:27:27,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:27:27,492 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:27:27,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:27,705 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:27:27,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:27:27,706 INFO L82 PathProgramCache]: Analyzing trace with hash 2076890759, now seen corresponding path program 1 times [2020-07-21 01:27:27,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:27:27,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061458984] [2020-07-21 01:27:27,707 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 01:27:27,804 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:27:27,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:27:27,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:27:27,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:27:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 274 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-21 01:27:27,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:27:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 155 proven. 72 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-21 01:27:28,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061458984] [2020-07-21 01:27:28,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:27:28,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 01:27:28,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068222100] [2020-07-21 01:27:28,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:27:28,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:27:28,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:27:28,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:27:28,059 INFO L87 Difference]: Start difference. First operand 1468 states and 1765 transitions. Second operand 6 states. [2020-07-21 01:27:29,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:27:29,227 INFO L93 Difference]: Finished difference Result 3254 states and 4003 transitions. [2020-07-21 01:27:29,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:27:29,228 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 311 [2020-07-21 01:27:29,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:27:29,234 INFO L225 Difference]: With dead ends: 3254 [2020-07-21 01:27:29,235 INFO L226 Difference]: Without dead ends: 1486 [2020-07-21 01:27:29,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 618 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:27:29,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2020-07-21 01:27:29,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1468. [2020-07-21 01:27:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1468 states. [2020-07-21 01:27:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1696 transitions. [2020-07-21 01:27:29,285 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1696 transitions. Word has length 311 [2020-07-21 01:27:29,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:27:29,285 INFO L479 AbstractCegarLoop]: Abstraction has 1468 states and 1696 transitions. [2020-07-21 01:27:29,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:27:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1696 transitions. [2020-07-21 01:27:29,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-07-21 01:27:29,294 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:27:29,294 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:27:29,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:29,508 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:27:29,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:27:29,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1339363711, now seen corresponding path program 1 times [2020-07-21 01:27:29,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:27:29,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996209808] [2020-07-21 01:27:29,510 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 01:27:29,665 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:27:29,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:27:29,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:27:29,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:27:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 269 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-21 01:27:29,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:27:30,166 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 269 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-21 01:27:30,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996209808] [2020-07-21 01:27:30,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:27:30,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:27:30,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558146970] [2020-07-21 01:27:30,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:27:30,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:27:30,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:27:30,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:27:30,169 INFO L87 Difference]: Start difference. First operand 1468 states and 1696 transitions. Second operand 7 states. [2020-07-21 01:27:31,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:27:31,543 INFO L93 Difference]: Finished difference Result 4259 states and 5201 transitions. [2020-07-21 01:27:31,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 01:27:31,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 347 [2020-07-21 01:27:31,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:27:31,560 INFO L225 Difference]: With dead ends: 4259 [2020-07-21 01:27:31,560 INFO L226 Difference]: Without dead ends: 2940 [2020-07-21 01:27:31,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 691 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-07-21 01:27:31,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2020-07-21 01:27:31,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2785. [2020-07-21 01:27:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2785 states. [2020-07-21 01:27:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 3325 transitions. [2020-07-21 01:27:31,628 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 3325 transitions. Word has length 347 [2020-07-21 01:27:31,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:27:31,629 INFO L479 AbstractCegarLoop]: Abstraction has 2785 states and 3325 transitions. [2020-07-21 01:27:31,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:27:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3325 transitions. [2020-07-21 01:27:31,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2020-07-21 01:27:31,638 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:27:31,638 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-21 01:27:31,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:31,854 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:27:31,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:27:31,854 INFO L82 PathProgramCache]: Analyzing trace with hash -237212521, now seen corresponding path program 1 times [2020-07-21 01:27:31,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:27:31,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992836189] [2020-07-21 01:27:31,855 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 01:27:32,028 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:27:32,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:27:32,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:27:32,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:27:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2020-07-21 01:27:32,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:27:32,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992836189] [2020-07-21 01:27:32,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:27:32,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:27:32,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3632062] [2020-07-21 01:27:32,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:27:32,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:27:32,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:27:32,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:27:32,101 INFO L87 Difference]: Start difference. First operand 2785 states and 3325 transitions. Second operand 3 states. [2020-07-21 01:27:32,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:27:32,622 INFO L93 Difference]: Finished difference Result 2785 states and 3325 transitions. [2020-07-21 01:27:32,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:27:32,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 399 [2020-07-21 01:27:32,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:27:32,626 INFO L225 Difference]: With dead ends: 2785 [2020-07-21 01:27:32,626 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 01:27:32,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 397 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 01:27:32,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 01:27:32,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 01:27:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 01:27:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 01:27:32,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 399 [2020-07-21 01:27:32,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:27:32,660 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 01:27:32,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:27:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 01:27:32,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 01:27:32,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:27:32,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 01:27:33,534 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2020-07-21 01:27:33,665 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 23 [2020-07-21 01:27:33,768 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 23 [2020-07-21 01:27:33,771 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:27:33,771 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-21 01:27:33,772 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:27:33,772 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-21 01:27:33,772 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,772 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,772 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,772 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,772 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,772 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,772 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-21 01:27:33,772 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-21 01:27:33,773 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 01:27:33,773 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 01:27:33,773 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 01:27:33,773 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 01:27:33,773 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 01:27:33,773 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 01:27:33,773 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-21 01:27:33,773 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-21 01:27:33,773 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-21 01:27:33,773 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,774 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,774 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,774 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,774 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,775 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-21 01:27:33,775 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-21 01:27:33,775 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-21 01:27:33,775 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-21 01:27:33,775 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 01:27:33,775 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 01:27:33,775 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 01:27:33,776 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 01:27:33,776 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 01:27:33,776 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-21 01:27:33,776 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-21 01:27:33,776 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-21 01:27:33,776 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-21 01:27:33,776 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2020-07-21 01:27:33,776 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-21 01:27:33,777 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,777 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,777 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,777 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,777 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,777 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-21 01:27:33,777 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 01:27:33,777 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 01:27:33,777 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,778 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,779 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-21 01:27:33,779 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-21 01:27:33,779 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-21 01:27:33,779 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 01:27:33,779 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 01:27:33,779 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 01:27:33,779 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 01:27:33,779 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 01:27:33,780 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-21 01:27:33,780 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-21 01:27:33,780 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-21 01:27:33,780 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-21 01:27:33,780 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-21 01:27:33,780 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,780 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,780 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,781 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 01:27:33,782 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 01:27:33,783 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 01:27:33,783 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 01:27:33,783 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-21 01:27:33,783 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-21 01:27:33,783 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-21 01:27:33,783 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-21 01:27:33,783 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,783 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,783 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,783 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,784 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 01:27:33,784 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,784 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,784 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-21 01:27:33,784 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-21 01:27:33,784 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-21 01:27:33,784 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 01:27:33,784 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 01:27:33,784 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 01:27:33,784 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,785 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-21 01:27:33,786 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 |old(~a10~0)|)) (.cse2 (<= |old(~a10~0)| ~a10~0)) (.cse3 (<= ~a19~0 |old(~a19~0)|)) (.cse4 (= ~a1~0 |old(~a1~0)|))) (let ((.cse5 (and .cse1 .cse2 .cse3 .cse4)) (.cse0 (not (<= |old(~a10~0)| 0)))) (and (or .cse0 (and .cse1 (<= 8 ~a19~0) .cse2 .cse3 .cse4) (not (<= 8 |old(~a19~0)|))) (or (not (<= |old(~a19~0)| 6)) .cse5) (or .cse5 (not (<= 1 |old(~a10~0)|))) (or (<= 9 ~a19~0) .cse0 (not (<= 9 |old(~a19~0)|)))))) [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 01:27:33,787 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 01:27:33,788 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 01:27:33,788 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 01:27:33,788 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 01:27:33,788 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 01:27:33,788 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-21 01:27:33,788 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-21 01:27:33,788 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-21 01:27:33,788 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-21 01:27:33,788 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-21 01:27:33,789 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-21 01:27:33,789 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,789 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,789 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,789 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,789 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,789 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,789 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-21 01:27:33,790 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-21 01:27:33,790 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-21 01:27:33,790 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 01:27:33,790 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 01:27:33,790 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 01:27:33,790 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 01:27:33,790 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 01:27:33,790 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 01:27:33,791 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-21 01:27:33,791 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-21 01:27:33,791 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-21 01:27:33,791 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,791 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,791 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,791 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,791 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,791 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 01:27:33,792 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-21 01:27:33,792 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-21 01:27:33,792 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-21 01:27:33,792 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 01:27:33,792 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 01:27:33,792 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 01:27:33,792 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 01:27:33,792 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 01:27:33,793 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 01:27:33,793 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-21 01:27:33,793 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-21 01:27:33,793 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-21 01:27:33,793 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:27:33,793 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 23 ~a1~0)) [2020-07-21 01:27:33,793 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 01:27:33,793 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:27:33,794 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (<= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-21 01:27:33,794 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-21 01:27:33,794 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= 8 ~a19~0) (<= ~a19~0 6) (not (<= |old(~a10~0)| 0)) (not (= 23 |old(~a1~0)|)) (not (<= 9 |old(~a19~0)|)) (<= 1 ~a10~0) (not (<= |old(~a19~0)| 9))) [2020-07-21 01:27:33,794 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 01:27:33,794 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 01:27:33,794 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 8 ~a19~0) (<= ~a19~0 6) (not (<= |old(~a10~0)| 0)) (not (= 23 |old(~a1~0)|)) (not (<= 9 |old(~a19~0)|)) (<= 1 ~a10~0) (not (<= |old(~a19~0)| 9))) [2020-07-21 01:27:33,794 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-21 01:27:33,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:27:33 BoogieIcfgContainer [2020-07-21 01:27:33,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 01:27:33,814 INFO L168 Benchmark]: Toolchain (without parser) took 18468.56 ms. Allocated memory was 138.4 MB in the beginning and 529.5 MB in the end (delta: 391.1 MB). Free memory was 100.8 MB in the beginning and 336.8 MB in the end (delta: -236.0 MB). Peak memory consumption was 155.2 MB. Max. memory is 7.1 GB. [2020-07-21 01:27:33,815 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 01:27:33,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.36 ms. Allocated memory was 138.4 MB in the beginning and 205.0 MB in the end (delta: 66.6 MB). Free memory was 100.4 MB in the beginning and 170.7 MB in the end (delta: -70.3 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-07-21 01:27:33,817 INFO L168 Benchmark]: Boogie Preprocessor took 104.33 ms. Allocated memory is still 205.0 MB. Free memory was 170.7 MB in the beginning and 166.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-21 01:27:33,817 INFO L168 Benchmark]: RCFGBuilder took 1301.72 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 166.5 MB in the beginning and 182.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-07-21 01:27:33,818 INFO L168 Benchmark]: TraceAbstraction took 16354.02 ms. Allocated memory was 238.0 MB in the beginning and 529.5 MB in the end (delta: 291.5 MB). Free memory was 182.2 MB in the beginning and 336.8 MB in the end (delta: -154.5 MB). Peak memory consumption was 137.0 MB. Max. memory is 7.1 GB. [2020-07-21 01:27:33,822 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.36 ms. Allocated memory was 138.4 MB in the beginning and 205.0 MB in the end (delta: 66.6 MB). Free memory was 100.4 MB in the beginning and 170.7 MB in the end (delta: -70.3 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.33 ms. Allocated memory is still 205.0 MB. Free memory was 170.7 MB in the beginning and 166.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1301.72 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 166.5 MB in the beginning and 182.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16354.02 ms. Allocated memory was 238.0 MB in the beginning and 529.5 MB in the end (delta: 291.5 MB). Free memory was 182.2 MB in the beginning and 336.8 MB in the end (delta: -154.5 MB). Peak memory consumption was 137.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 88]: 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: 582]: Loop Invariant Derived loop invariant: (((((8 <= a19 || a19 <= 6) || !(\old(a10) <= 0)) || !(23 == \old(a1))) || !(9 <= \old(a19))) || 1 <= a10) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 634 SDtfs, 2713 SDslu, 259 SDs, 0 SdLazy, 6566 SolverSat, 1357 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3409 GetRequests, 3357 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2785occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 650 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 65 PreInvPairs, 111 NumberOfFragments, 186 HoareAnnotationTreeSize, 65 FomulaSimplifications, 3399 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2109 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2205 NumberOfCodeBlocks, 1874 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 3381 ConstructedInterpolants, 0 QuantifiedInterpolants, 2104979 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3453 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 2584/2738 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...