/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 11:36:18,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 11:36:18,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 11:36:18,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 11:36:18,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 11:36:18,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 11:36:18,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 11:36:18,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 11:36:18,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 11:36:18,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 11:36:18,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 11:36:18,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 11:36:18,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 11:36:18,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 11:36:18,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 11:36:18,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 11:36:18,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 11:36:18,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 11:36:18,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 11:36:18,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 11:36:18,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 11:36:18,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 11:36:18,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 11:36:18,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 11:36:18,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 11:36:18,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 11:36:18,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 11:36:18,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 11:36:18,087 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 11:36:18,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 11:36:18,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 11:36:18,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 11:36:18,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 11:36:18,106 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 11:36:18,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 11:36:18,106 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 11:36:18,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 11:36:18,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 11:36:18,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 11:36:18,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 11:36:18,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 11:36:18,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 11:36:18,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 11:36:18,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 11:36:18,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 11:36:18,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 11:36:18,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 11:36:18,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 11:36:18,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 11:36:18,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 11:36:18,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:36:18,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 11:36:18,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 11:36:18,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 11:36:18,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 11:36:18,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:18,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 11:36:18,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 11:36:18,111 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 -> NOT_INCREMENTALLY [2020-07-20 11:36:18,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 11:36:18,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 11:36:18,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 11:36:18,400 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 11:36:18,401 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 11:36:18,401 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2020-07-20 11:36:18,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a781460a2/b7dbb79b21e340138b7c286f5ab5dce0/FLAG970876faf [2020-07-20 11:36:19,065 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 11:36:19,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2020-07-20 11:36:19,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a781460a2/b7dbb79b21e340138b7c286f5ab5dce0/FLAG970876faf [2020-07-20 11:36:19,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a781460a2/b7dbb79b21e340138b7c286f5ab5dce0 [2020-07-20 11:36:19,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 11:36:19,343 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 11:36:19,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 11:36:19,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 11:36:19,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 11:36:19,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:36:19" (1/1) ... [2020-07-20 11:36:19,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4428f18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:19, skipping insertion in model container [2020-07-20 11:36:19,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:36:19" (1/1) ... [2020-07-20 11:36:19,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 11:36:19,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 11:36:19,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:36:19,956 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 11:36:20,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:36:20,095 INFO L208 MainTranslator]: Completed translation [2020-07-20 11:36:20,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:20 WrapperNode [2020-07-20 11:36:20,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 11:36:20,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 11:36:20,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 11:36:20,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 11:36:20,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:20" (1/1) ... [2020-07-20 11:36:20,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:20" (1/1) ... [2020-07-20 11:36:20,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:20" (1/1) ... [2020-07-20 11:36:20,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:20" (1/1) ... [2020-07-20 11:36:20,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:20" (1/1) ... [2020-07-20 11:36:20,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:20" (1/1) ... [2020-07-20 11:36:20,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:20" (1/1) ... [2020-07-20 11:36:20,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 11:36:20,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 11:36:20,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 11:36:20,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 11:36:20,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:36:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 11:36:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 11:36:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 11:36:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 11:36:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 11:36:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 11:36:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 11:36:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 11:36:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 11:36:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 11:36:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 11:36:21,690 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 11:36:21,690 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 11:36:21,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:36:21 BoogieIcfgContainer [2020-07-20 11:36:21,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 11:36:21,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 11:36:21,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 11:36:21,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 11:36:21,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:36:19" (1/3) ... [2020-07-20 11:36:21,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b6b939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:36:21, skipping insertion in model container [2020-07-20 11:36:21,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:20" (2/3) ... [2020-07-20 11:36:21,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b6b939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:36:21, skipping insertion in model container [2020-07-20 11:36:21,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:36:21" (3/3) ... [2020-07-20 11:36:21,705 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label47.c [2020-07-20 11:36:21,716 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 11:36:21,724 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 11:36:21,739 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 11:36:21,767 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 11:36:21,767 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 11:36:21,767 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 11:36:21,767 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 11:36:21,768 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 11:36:21,768 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 11:36:21,768 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 11:36:21,769 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 11:36:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 11:36:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 11:36:21,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:21,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:21,808 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:21,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:21,815 INFO L82 PathProgramCache]: Analyzing trace with hash -681714095, now seen corresponding path program 1 times [2020-07-20 11:36:21,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:21,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679833444] [2020-07-20 11:36:21,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:21,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:36:21,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:36:22,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:36:22,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679833444] [2020-07-20 11:36:22,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:36:22,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:36:22,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832739081] [2020-07-20 11:36:22,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:36:22,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:22,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:36:22,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:22,148 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 11:36:23,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:23,166 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-20 11:36:23,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:36:23,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-20 11:36:23,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:23,185 INFO L225 Difference]: With dead ends: 619 [2020-07-20 11:36:23,185 INFO L226 Difference]: Without dead ends: 321 [2020-07-20 11:36:23,192 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 [2020-07-20 11:36:23,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-20 11:36:23,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-20 11:36:23,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 11:36:23,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-20 11:36:23,261 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 113 [2020-07-20 11:36:23,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:23,262 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-20 11:36:23,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:36:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-20 11:36:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-20 11:36:23,266 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:23,267 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:23,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:23,481 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:23,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:23,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1721695616, now seen corresponding path program 1 times [2020-07-20 11:36:23,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:23,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [3671684] [2020-07-20 11:36:23,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:23,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:36:23,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:36:23,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:36:23,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [3671684] [2020-07-20 11:36:23,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:36:23,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:36:23,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805811464] [2020-07-20 11:36:23,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:36:23,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:23,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:36:23,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:23,671 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 3 states. [2020-07-20 11:36:24,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:24,281 INFO L93 Difference]: Finished difference Result 780 states and 1068 transitions. [2020-07-20 11:36:24,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:36:24,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-07-20 11:36:24,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:24,291 INFO L225 Difference]: With dead ends: 780 [2020-07-20 11:36:24,291 INFO L226 Difference]: Without dead ends: 467 [2020-07-20 11:36:24,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:24,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-07-20 11:36:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 465. [2020-07-20 11:36:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-07-20 11:36:24,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 636 transitions. [2020-07-20 11:36:24,324 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 636 transitions. Word has length 122 [2020-07-20 11:36:24,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:24,325 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 636 transitions. [2020-07-20 11:36:24,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:36:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 636 transitions. [2020-07-20 11:36:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-20 11:36:24,329 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:24,329 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:24,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:24,543 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:24,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:24,544 INFO L82 PathProgramCache]: Analyzing trace with hash 887096840, now seen corresponding path program 1 times [2020-07-20 11:36:24,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:24,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194124999] [2020-07-20 11:36:24,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:24,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 11:36:24,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 11:36:24,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:36:24,834 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 11:36:24,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194124999] [2020-07-20 11:36:24,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 11:36:24,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2020-07-20 11:36:24,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246695972] [2020-07-20 11:36:24,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 11:36:24,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:24,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 11:36:24,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:36:24,837 INFO L87 Difference]: Start difference. First operand 465 states and 636 transitions. Second operand 4 states. [2020-07-20 11:36:25,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:25,471 INFO L93 Difference]: Finished difference Result 1376 states and 1912 transitions. [2020-07-20 11:36:25,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 11:36:25,473 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2020-07-20 11:36:25,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:25,483 INFO L225 Difference]: With dead ends: 1376 [2020-07-20 11:36:25,483 INFO L226 Difference]: Without dead ends: 917 [2020-07-20 11:36:25,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 244 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:36:25,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-07-20 11:36:25,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 917. [2020-07-20 11:36:25,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 917 states. [2020-07-20 11:36:25,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1236 transitions. [2020-07-20 11:36:25,548 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1236 transitions. Word has length 126 [2020-07-20 11:36:25,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:25,548 INFO L479 AbstractCegarLoop]: Abstraction has 917 states and 1236 transitions. [2020-07-20 11:36:25,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 11:36:25,549 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1236 transitions. [2020-07-20 11:36:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-20 11:36:25,553 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:25,553 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:25,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:25,767 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:25,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:25,768 INFO L82 PathProgramCache]: Analyzing trace with hash 22513303, now seen corresponding path program 1 times [2020-07-20 11:36:25,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:25,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554639413] [2020-07-20 11:36:25,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:25,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 11:36:25,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 11:36:25,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:36:25,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554639413] [2020-07-20 11:36:25,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:36:25,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:36:25,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389994495] [2020-07-20 11:36:25,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:36:25,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:25,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:36:25,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:36:25,959 INFO L87 Difference]: Start difference. First operand 917 states and 1236 transitions. Second operand 5 states. [2020-07-20 11:36:26,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:26,860 INFO L93 Difference]: Finished difference Result 2616 states and 3641 transitions. [2020-07-20 11:36:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 11:36:26,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-07-20 11:36:26,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:26,873 INFO L225 Difference]: With dead ends: 2616 [2020-07-20 11:36:26,873 INFO L226 Difference]: Without dead ends: 1705 [2020-07-20 11:36:26,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:36:26,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-07-20 11:36:26,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1681. [2020-07-20 11:36:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1681 states. [2020-07-20 11:36:26,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2154 transitions. [2020-07-20 11:36:26,937 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2154 transitions. Word has length 140 [2020-07-20 11:36:26,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:26,937 INFO L479 AbstractCegarLoop]: Abstraction has 1681 states and 2154 transitions. [2020-07-20 11:36:26,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:36:26,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2154 transitions. [2020-07-20 11:36:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 11:36:26,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:26,943 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:27,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:27,154 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:27,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:27,155 INFO L82 PathProgramCache]: Analyzing trace with hash -246324716, now seen corresponding path program 1 times [2020-07-20 11:36:27,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:27,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960895414] [2020-07-20 11:36:27,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:27,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:36:27,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 11:36:27,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:36:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 11:36:27,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960895414] [2020-07-20 11:36:27,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:36:27,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 11:36:27,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000312411] [2020-07-20 11:36:27,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 11:36:27,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:27,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 11:36:27,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:36:27,395 INFO L87 Difference]: Start difference. First operand 1681 states and 2154 transitions. Second operand 7 states. [2020-07-20 11:36:28,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:28,793 INFO L93 Difference]: Finished difference Result 3994 states and 5259 transitions. [2020-07-20 11:36:28,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 11:36:28,794 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 143 [2020-07-20 11:36:28,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:28,806 INFO L225 Difference]: With dead ends: 3994 [2020-07-20 11:36:28,806 INFO L226 Difference]: Without dead ends: 2319 [2020-07-20 11:36:28,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-07-20 11:36:28,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2020-07-20 11:36:28,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2299. [2020-07-20 11:36:28,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2020-07-20 11:36:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 2873 transitions. [2020-07-20 11:36:28,876 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 2873 transitions. Word has length 143 [2020-07-20 11:36:28,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:28,877 INFO L479 AbstractCegarLoop]: Abstraction has 2299 states and 2873 transitions. [2020-07-20 11:36:28,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 11:36:28,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2873 transitions. [2020-07-20 11:36:28,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 11:36:28,884 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:28,884 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:29,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:29,099 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:29,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:29,100 INFO L82 PathProgramCache]: Analyzing trace with hash 730174251, now seen corresponding path program 1 times [2020-07-20 11:36:29,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:29,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098772915] [2020-07-20 11:36:29,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:29,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:36:29,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 11:36:29,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:36:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 54 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 11:36:29,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098772915] [2020-07-20 11:36:29,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:36:29,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 11:36:29,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541806656] [2020-07-20 11:36:29,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 11:36:29,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:29,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 11:36:29,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:36:29,353 INFO L87 Difference]: Start difference. First operand 2299 states and 2873 transitions. Second operand 7 states. [2020-07-20 11:36:29,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:29,990 INFO L93 Difference]: Finished difference Result 4455 states and 5676 transitions. [2020-07-20 11:36:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 11:36:29,991 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 153 [2020-07-20 11:36:29,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:30,009 INFO L225 Difference]: With dead ends: 4455 [2020-07-20 11:36:30,009 INFO L226 Difference]: Without dead ends: 2162 [2020-07-20 11:36:30,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:36:30,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2020-07-20 11:36:30,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2134. [2020-07-20 11:36:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2134 states. [2020-07-20 11:36:30,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 2547 transitions. [2020-07-20 11:36:30,093 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 2547 transitions. Word has length 153 [2020-07-20 11:36:30,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:30,095 INFO L479 AbstractCegarLoop]: Abstraction has 2134 states and 2547 transitions. [2020-07-20 11:36:30,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 11:36:30,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2547 transitions. [2020-07-20 11:36:30,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-20 11:36:30,101 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:30,102 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:30,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:30,316 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:30,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:30,316 INFO L82 PathProgramCache]: Analyzing trace with hash -112148995, now seen corresponding path program 1 times [2020-07-20 11:36:30,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:30,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511608541] [2020-07-20 11:36:30,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:30,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:36:30,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 11:36:30,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:36:30,534 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 11:36:30,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511608541] [2020-07-20 11:36:30,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:36:30,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 11:36:30,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057638739] [2020-07-20 11:36:30,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 11:36:30,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:30,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 11:36:30,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:36:30,537 INFO L87 Difference]: Start difference. First operand 2134 states and 2547 transitions. Second operand 7 states. [2020-07-20 11:36:31,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:31,962 INFO L93 Difference]: Finished difference Result 5418 states and 6431 transitions. [2020-07-20 11:36:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:36:31,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-07-20 11:36:31,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:31,987 INFO L225 Difference]: With dead ends: 5418 [2020-07-20 11:36:31,987 INFO L226 Difference]: Without dead ends: 3290 [2020-07-20 11:36:31,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 11:36:31,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2020-07-20 11:36:32,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 3290. [2020-07-20 11:36:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3290 states. [2020-07-20 11:36:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 3780 transitions. [2020-07-20 11:36:32,081 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 3780 transitions. Word has length 167 [2020-07-20 11:36:32,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:32,082 INFO L479 AbstractCegarLoop]: Abstraction has 3290 states and 3780 transitions. [2020-07-20 11:36:32,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 11:36:32,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 3780 transitions. [2020-07-20 11:36:32,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 11:36:32,093 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:32,093 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:32,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:32,307 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:32,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:32,308 INFO L82 PathProgramCache]: Analyzing trace with hash 2077018293, now seen corresponding path program 1 times [2020-07-20 11:36:32,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:32,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953472980] [2020-07-20 11:36:32,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:32,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:36:32,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 11:36:32,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:36:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 11:36:32,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953472980] [2020-07-20 11:36:32,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:36:32,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 11:36:32,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087039581] [2020-07-20 11:36:32,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 11:36:32,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:32,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 11:36:32,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:36:32,571 INFO L87 Difference]: Start difference. First operand 3290 states and 3780 transitions. Second operand 7 states. [2020-07-20 11:36:33,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:33,980 INFO L93 Difference]: Finished difference Result 6288 states and 7180 transitions. [2020-07-20 11:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 11:36:33,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-07-20 11:36:33,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:33,997 INFO L225 Difference]: With dead ends: 6288 [2020-07-20 11:36:33,997 INFO L226 Difference]: Without dead ends: 2987 [2020-07-20 11:36:34,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 11:36:34,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2020-07-20 11:36:34,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2841. [2020-07-20 11:36:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2020-07-20 11:36:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3194 transitions. [2020-07-20 11:36:34,106 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3194 transitions. Word has length 174 [2020-07-20 11:36:34,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:34,106 INFO L479 AbstractCegarLoop]: Abstraction has 2841 states and 3194 transitions. [2020-07-20 11:36:34,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 11:36:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3194 transitions. [2020-07-20 11:36:34,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-07-20 11:36:34,124 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:34,125 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:34,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:34,340 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:34,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:34,343 INFO L82 PathProgramCache]: Analyzing trace with hash -199186367, now seen corresponding path program 1 times [2020-07-20 11:36:34,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:34,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925401017] [2020-07-20 11:36:34,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:34,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:36:34,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:34,579 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-07-20 11:36:34,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:36:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 93 proven. 39 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-20 11:36:34,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925401017] [2020-07-20 11:36:34,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:36:34,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 11:36:34,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273626215] [2020-07-20 11:36:34,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 11:36:34,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:34,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 11:36:34,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:36:34,711 INFO L87 Difference]: Start difference. First operand 2841 states and 3194 transitions. Second operand 7 states. [2020-07-20 11:36:36,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:36,090 INFO L93 Difference]: Finished difference Result 7159 states and 8072 transitions. [2020-07-20 11:36:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 11:36:36,090 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-07-20 11:36:36,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:36,105 INFO L225 Difference]: With dead ends: 7159 [2020-07-20 11:36:36,106 INFO L226 Difference]: Without dead ends: 4021 [2020-07-20 11:36:36,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-20 11:36:36,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4021 states. [2020-07-20 11:36:36,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4021 to 4019. [2020-07-20 11:36:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4019 states. [2020-07-20 11:36:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 4422 transitions. [2020-07-20 11:36:36,211 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 4422 transitions. Word has length 199 [2020-07-20 11:36:36,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:36,211 INFO L479 AbstractCegarLoop]: Abstraction has 4019 states and 4422 transitions. [2020-07-20 11:36:36,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 11:36:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 4422 transitions. [2020-07-20 11:36:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-07-20 11:36:36,223 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:36,224 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:36,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:36,438 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:36,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:36,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1074860385, now seen corresponding path program 1 times [2020-07-20 11:36:36,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:36,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431824492] [2020-07-20 11:36:36,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:36,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 11:36:36,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:36,589 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-07-20 11:36:36,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:36:36,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431824492] [2020-07-20 11:36:36,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:36:36,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:36:36,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638425039] [2020-07-20 11:36:36,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:36:36,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:36,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:36:36,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:36,592 INFO L87 Difference]: Start difference. First operand 4019 states and 4422 transitions. Second operand 3 states. [2020-07-20 11:36:37,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:37,079 INFO L93 Difference]: Finished difference Result 6095 states and 6709 transitions. [2020-07-20 11:36:37,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:36:37,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2020-07-20 11:36:37,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:37,080 INFO L225 Difference]: With dead ends: 6095 [2020-07-20 11:36:37,080 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 11:36:37,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:37,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 11:36:37,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 11:36:37,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 11:36:37,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 11:36:37,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2020-07-20 11:36:37,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:37,092 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 11:36:37,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:36:37,093 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 11:36:37,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 11:36:37,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:37,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 11:36:37,772 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2020-07-20 11:36:39,066 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 145 DAG size of output: 76 [2020-07-20 11:36:39,588 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2020-07-20 11:36:40,091 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2020-07-20 11:36:40,095 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:36:40,096 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|)) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) [2020-07-20 11:36:40,096 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:36:40,096 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,096 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,097 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,097 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,097 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,097 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 11:36:40,097 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 11:36:40,098 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 11:36:40,098 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 11:36:40,098 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 11:36:40,098 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 11:36:40,098 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 11:36:40,098 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 11:36:40,098 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 11:36:40,098 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 11:36:40,099 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 11:36:40,099 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 11:36:40,099 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 11:36:40,099 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,099 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,099 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,099 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,099 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 11:36:40,099 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,099 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 11:36:40,100 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 11:36:40,101 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 11:36:40,101 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 11:36:40,101 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 11:36:40,101 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,101 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,101 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,101 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,101 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,101 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 493) no Hoare annotation was computed. [2020-07-20 11:36:40,102 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 11:36:40,102 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 11:36:40,102 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 11:36:40,102 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 11:36:40,102 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 11:36:40,102 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 11:36:40,102 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 11:36:40,102 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 11:36:40,103 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 11:36:40,103 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 11:36:40,103 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 11:36:40,103 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,103 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,103 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,103 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,103 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,104 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 11:36:40,104 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 11:36:40,104 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 11:36:40,104 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 11:36:40,104 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 11:36:40,104 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 11:36:40,104 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 11:36:40,104 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 11:36:40,105 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 11:36:40,105 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 11:36:40,105 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 11:36:40,105 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 11:36:40,105 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 11:36:40,105 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,105 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,106 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,106 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,106 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,106 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 11:36:40,106 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 11:36:40,106 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 11:36:40,106 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 11:36:40,106 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 11:36:40,107 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 11:36:40,107 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 11:36:40,107 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 11:36:40,107 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 11:36:40,107 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 11:36:40,107 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 11:36:40,107 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 11:36:40,107 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 11:36:40,108 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 11:36:40,108 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 11:36:40,108 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 11:36:40,108 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,108 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,108 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,108 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,108 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 11:36:40,109 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,109 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 11:36:40,109 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,109 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 11:36:40,109 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 11:36:40,109 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 11:36:40,109 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,109 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,109 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,110 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 11:36:40,111 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 11:36:40,112 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,113 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,114 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse15 (<= ~a11~0 0))) (let ((.cse22 (<= ~a17~0 |old(~a17~0)|)) (.cse23 (or .cse15 (< 0 |old(~a11~0)|))) (.cse21 (<= ~a28~0 10)) (.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse7 (<= |old(~a28~0)| ~a28~0))) (let ((.cse17 (not (<= |old(~a11~0)| 0))) (.cse18 (and .cse22 .cse23 .cse21 .cse6 .cse7)) (.cse0 (not (<= |old(~a28~0)| 7))) (.cse19 (not (<= |old(~a17~0)| 7))) (.cse8 (<= ~a28~0 7)) (.cse2 (not (<= |old(~a19~0)| 0))) (.cse4 (<= ~a17~0 8)) (.cse14 (not (= 1 ~a11~0))) (.cse20 (= 1 ~a25~0)) (.cse13 (= 1 |old(~a11~0)|)) (.cse16 (not (= 1 |old(~a25~0)|))) (.cse10 (not (= 1 |old(~a19~0)|))) (.cse11 (not (<= |old(~a28~0)| 10))) (.cse12 (not (<= 9 |old(~a28~0)|))) (.cse1 (not (<= 8 |old(~a17~0)|))) (.cse5 (<= 8 ~a17~0)) (.cse9 (= ~a25~0 |old(~a25~0)|)) (.cse3 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9)) (or .cse10 .cse11 .cse12 .cse13 .cse1 .cse14 .cse3) (or .cse10 .cse15 .cse1 .cse16 .cse3 .cse17) (or .cse11 .cse12 .cse18 .cse2 .cse19) (or .cse10 (and .cse15 .cse4 .cse6 .cse7 .cse8 .cse9) .cse0 .cse3 .cse17) (or .cse10 .cse0 .cse1 .cse16 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse20) .cse3) (or .cse10 .cse11 .cse12 .cse18 .cse3) (or .cse10 (not (< 7 |old(~a28~0)|)) .cse11 .cse13 .cse1 .cse16 (and .cse4 .cse5 .cse21 .cse14 .cse6 .cse7 .cse20) .cse3) (or .cse10 .cse0 .cse19 (and .cse22 .cse6 .cse7 .cse8)) (or .cse11 .cse13 .cse1 .cse2 (and .cse23 .cse4 .cse5 .cse21 .cse14 .cse6 .cse7 .cse9) .cse3) (or .cse10 (and .cse4 .cse5 .cse14 .cse6 .cse7 .cse20) .cse12 .cse13 .cse1 .cse16 .cse3) (or .cse10 .cse11 .cse12 .cse1 (and .cse5 .cse9) .cse3))))) [2020-07-20 11:36:40,114 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,114 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,114 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,114 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 11:36:40,114 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 11:36:40,114 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 11:36:40,114 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 11:36:40,114 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,115 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,116 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,116 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 11:36:40,116 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 11:36:40,116 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 11:36:40,116 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 11:36:40,116 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 11:36:40,116 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 11:36:40,116 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 11:36:40,116 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 11:36:40,117 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 11:36:40,117 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 11:36:40,117 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 11:36:40,117 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 11:36:40,117 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 11:36:40,117 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 11:36:40,117 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 11:36:40,117 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 11:36:40,118 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,118 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,118 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,118 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,118 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:40,118 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 11:36:40,118 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 11:36:40,118 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 11:36:40,118 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 11:36:40,118 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 11:36:40,119 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 11:36:40,119 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 11:36:40,119 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 11:36:40,119 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 11:36:40,119 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 11:36:40,119 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 11:36:40,119 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 11:36:40,119 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 11:36:40,119 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 11:36:40,120 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 11:36:40,120 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 11:36:40,120 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 11:36:40,120 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 11:36:40,120 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 11:36:40,120 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:36:40,120 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= ~a28~0 7)) [2020-07-20 11:36:40,120 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 11:36:40,120 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:36:40,121 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a11~0 0) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (<= ~a28~0 7) (= ~a25~0 |old(~a25~0)|))) [2020-07-20 11:36:40,121 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (not (= 1 ~a11~0))) (.cse8 (<= ~a19~0 0)) (.cse6 (<= ~a28~0 10)) (.cse10 (<= ~a17~0 7)) (.cse11 (< 7 |old(~a17~0)|)) (.cse7 (<= 9 ~a28~0)) (.cse2 (<= 8 ~a17~0)) (.cse3 (not (= 1 |old(~a25~0)|))) (.cse5 (= 1 ~a25~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (<= ~a28~0 7))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7) (and .cse1 .cse2 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse11 .cse7 .cse8) (not (<= |old(~a11~0)| 0)) (and (<= 1 ~a19~0) .cse10 (<= ~a19~0 |old(~a19~0)|) .cse11 .cse9) (and .cse1 .cse2 .cse6 .cse3 .cse4 .cse8) (and .cse0 .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse5) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 (<= ~a11~0 0) .cse9 (= ~a25~0 |old(~a25~0)|)))) [2020-07-20 11:36:40,121 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 11:36:40,122 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 11:36:40,122 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (not (= 1 ~a11~0))) (.cse8 (<= ~a19~0 0)) (.cse6 (<= ~a28~0 10)) (.cse10 (<= ~a17~0 7)) (.cse11 (< 7 |old(~a17~0)|)) (.cse7 (<= 9 ~a28~0)) (.cse2 (<= 8 ~a17~0)) (.cse3 (not (= 1 |old(~a25~0)|))) (.cse5 (= 1 ~a25~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (<= ~a28~0 7))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7) (and .cse1 .cse2 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse11 .cse7 .cse8) (not (<= |old(~a11~0)| 0)) (and (<= 1 ~a19~0) .cse10 (<= ~a19~0 |old(~a19~0)|) .cse11 .cse9) (and .cse1 .cse2 .cse6 .cse3 .cse4 .cse8) (and .cse0 .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse5) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 (<= ~a11~0 0) .cse9 (= ~a25~0 |old(~a25~0)|)))) [2020-07-20 11:36:40,122 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 11:36:40,122 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 11:36:40,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:36:40 BoogieIcfgContainer [2020-07-20 11:36:40,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 11:36:40,153 INFO L168 Benchmark]: Toolchain (without parser) took 20811.05 ms. Allocated memory was 145.2 MB in the beginning and 510.1 MB in the end (delta: 364.9 MB). Free memory was 101.3 MB in the beginning and 383.6 MB in the end (delta: -282.3 MB). Peak memory consumption was 339.4 MB. Max. memory is 7.1 GB. [2020-07-20 11:36:40,155 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 11:36:40,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.56 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 100.8 MB in the beginning and 171.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2020-07-20 11:36:40,161 INFO L168 Benchmark]: Boogie Preprocessor took 119.26 ms. Allocated memory is still 205.0 MB. Free memory was 171.8 MB in the beginning and 166.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 11:36:40,162 INFO L168 Benchmark]: RCFGBuilder took 1480.70 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 166.9 MB in the beginning and 182.5 MB in the end (delta: -15.6 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-07-20 11:36:40,163 INFO L168 Benchmark]: TraceAbstraction took 18453.11 ms. Allocated memory was 238.0 MB in the beginning and 510.1 MB in the end (delta: 272.1 MB). Free memory was 181.0 MB in the beginning and 383.6 MB in the end (delta: -202.6 MB). Peak memory consumption was 326.3 MB. Max. memory is 7.1 GB. [2020-07-20 11:36:40,171 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.56 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 100.8 MB in the beginning and 171.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.26 ms. Allocated memory is still 205.0 MB. Free memory was 171.8 MB in the beginning and 166.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1480.70 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 166.9 MB in the beginning and 182.5 MB in the end (delta: -15.6 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18453.11 ms. Allocated memory was 238.0 MB in the beginning and 510.1 MB in the end (delta: 272.1 MB). Free memory was 181.0 MB in the beginning and 383.6 MB in the end (delta: -202.6 MB). Peak memory consumption was 326.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 493]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(a19)) || !(\old(a28) <= 7)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && !(1 == a11)) && 1 == a25)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && a28 <= 10) && 9 <= a28)) || ((((a17 <= \old(a17) && 8 <= a17) && !(1 == \old(a25))) && a19 <= 0) && a28 <= 7)) || ((((a28 <= 10 && a17 <= 7) && 7 < \old(a17)) && 9 <= a28) && a19 <= 0)) || !(\old(a11) <= 0)) || ((((1 <= a19 && a17 <= 7) && a19 <= \old(a19)) && 7 < \old(a17)) && a28 <= 7)) || (((((a17 <= \old(a17) && 8 <= a17) && a28 <= 10) && !(1 == \old(a25))) && !(1 == a11)) && a19 <= 0)) || ((((1 == a19 && a28 <= 10) && a17 <= 7) && 7 < \old(a17)) && 9 <= a28)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && a28 <= 7) && 1 == a25)) || !(\old(a17) <= 8)) || ((((1 == a19 && a17 <= \old(a17)) && a11 <= 0) && a28 <= 7) && a25 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.5s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 587 SDtfs, 4805 SDslu, 552 SDs, 0 SdLazy, 8175 SolverSat, 1006 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2531 GetRequests, 2477 SyntacticMatches, 8 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4019occurred 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: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 224 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 142 PreInvPairs, 218 NumberOfFragments, 868 HoareAnnotationTreeSize, 142 FomulaSimplifications, 3502 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3467 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1556 NumberOfCodeBlocks, 1556 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2502 ConstructedInterpolants, 0 QuantifiedInterpolants, 632882 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4304 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 1101/1173 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...