/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:28:24,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 17:28:24,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 17:28:24,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 17:28:24,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 17:28:24,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 17:28:24,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 17:28:24,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 17:28:24,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 17:28:24,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 17:28:24,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 17:28:24,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 17:28:24,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:28:24,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:28:24,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:28:24,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:28:24,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:28:24,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:28:24,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:28:24,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:28:24,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:28:24,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:28:24,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:28:24,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:28:24,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 17:28:24,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 17:28:24,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 17:28:24,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 17:28:24,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 17:28:24,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 17:28:24,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 17:28:24,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 17:28:24,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 17:28:24,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 17:28:24,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 17:28:24,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 17:28:24,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 17:28:24,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 17:28:24,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 17:28:24,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 17:28:24,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 17:28:24,460 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 17:28:24,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:28:24,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:28:24,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:28:24,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:28:24,498 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:28:24,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:28:24,501 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:28:24,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:28:24,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:28:24,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:28:24,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:28:24,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:28:24,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:28:24,502 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:28:24,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:28:24,502 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:28:24,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:28:24,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:28:24,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:28:24,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:28:24,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:28:24,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:28:24,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:28:24,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:28:24,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:28:24,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:28:24,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:24,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:28:24,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:28:24,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 17:28:24,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:28:24,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:28:24,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:28:24,813 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:28:24,814 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:28:24,814 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label51.c [2020-07-20 17:28:24,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1438e6ce/3e6edc3a7e5b4a539a9b310544ea1381/FLAGc72efc332 [2020-07-20 17:28:25,458 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:28:25,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label51.c [2020-07-20 17:28:25,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1438e6ce/3e6edc3a7e5b4a539a9b310544ea1381/FLAGc72efc332 [2020-07-20 17:28:25,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1438e6ce/3e6edc3a7e5b4a539a9b310544ea1381 [2020-07-20 17:28:25,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:28:25,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:28:25,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:28:25,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:28:25,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:28:25,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:28:25" (1/1) ... [2020-07-20 17:28:25,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bc61ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:25, skipping insertion in model container [2020-07-20 17:28:25,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:28:25" (1/1) ... [2020-07-20 17:28:25,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:28:25,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:28:26,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:28:26,395 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:28:26,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:28:26,517 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:28:26,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:26 WrapperNode [2020-07-20 17:28:26,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:28:26,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:28:26,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:28:26,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:28:26,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:26" (1/1) ... [2020-07-20 17:28:26,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:26" (1/1) ... [2020-07-20 17:28:26,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:26" (1/1) ... [2020-07-20 17:28:26,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:26" (1/1) ... [2020-07-20 17:28:26,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:26" (1/1) ... [2020-07-20 17:28:26,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:26" (1/1) ... [2020-07-20 17:28:26,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:26" (1/1) ... [2020-07-20 17:28:26,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:28:26,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:28:26,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:28:26,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:28:26,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:26" (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 17:28:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:28:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:28:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 17:28:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:28:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 17:28:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:28:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:28:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 17:28:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:28:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:28:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:28:28,056 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:28:28,057 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 17:28:28,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:28:28 BoogieIcfgContainer [2020-07-20 17:28:28,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:28:28,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:28:28,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:28:28,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:28:28,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:28:25" (1/3) ... [2020-07-20 17:28:28,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3697d0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:28:28, skipping insertion in model container [2020-07-20 17:28:28,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:28:26" (2/3) ... [2020-07-20 17:28:28,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3697d0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:28:28, skipping insertion in model container [2020-07-20 17:28:28,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:28:28" (3/3) ... [2020-07-20 17:28:28,079 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label51.c [2020-07-20 17:28:28,091 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:28:28,102 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:28:28,117 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:28:28,151 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:28:28,151 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:28:28,152 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:28:28,152 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:28:28,152 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:28:28,152 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:28:28,152 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:28:28,152 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:28:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 17:28:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-20 17:28:28,184 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:28,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:28,186 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:28,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:28,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1960329542, now seen corresponding path program 1 times [2020-07-20 17:28:28,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:28,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267367972] [2020-07-20 17:28:28,201 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:28,402 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:28,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:28,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:28:28,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:28,554 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 17:28:28,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:28,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267367972] [2020-07-20 17:28:28,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:28,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:28:28,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449876515] [2020-07-20 17:28:28,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:28:28,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:28,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:28:28,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:28,584 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 17:28:29,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:29,541 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-20 17:28:29,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:28:29,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-07-20 17:28:29,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:29,559 INFO L225 Difference]: With dead ends: 619 [2020-07-20 17:28:29,560 INFO L226 Difference]: Without dead ends: 321 [2020-07-20 17:28:29,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:29,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-20 17:28:29,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-20 17:28:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 17:28:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-20 17:28:29,638 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 116 [2020-07-20 17:28:29,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:29,639 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-20 17:28:29,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:28:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-20 17:28:29,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-20 17:28:29,644 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:29,644 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:29,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:29,858 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:29,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:29,859 INFO L82 PathProgramCache]: Analyzing trace with hash 539238327, now seen corresponding path program 1 times [2020-07-20 17:28:29,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:29,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278213944] [2020-07-20 17:28:29,861 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:29,964 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:29,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:29,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:29,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:30,044 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 17:28:30,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:30,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278213944] [2020-07-20 17:28:30,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:30,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:28:30,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466714930] [2020-07-20 17:28:30,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:28:30,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:30,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:28:30,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:30,049 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 3 states. [2020-07-20 17:28:30,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:30,693 INFO L93 Difference]: Finished difference Result 782 states and 1068 transitions. [2020-07-20 17:28:30,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:28:30,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-07-20 17:28:30,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:30,702 INFO L225 Difference]: With dead ends: 782 [2020-07-20 17:28:30,702 INFO L226 Difference]: Without dead ends: 469 [2020-07-20 17:28:30,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 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 17:28:30,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-20 17:28:30,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2020-07-20 17:28:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-07-20 17:28:30,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 600 transitions. [2020-07-20 17:28:30,733 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 600 transitions. Word has length 125 [2020-07-20 17:28:30,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:30,734 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 600 transitions. [2020-07-20 17:28:30,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:28:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 600 transitions. [2020-07-20 17:28:30,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-20 17:28:30,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:30,738 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:30,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:30,952 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:30,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:30,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1524654879, now seen corresponding path program 1 times [2020-07-20 17:28:30,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:30,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104203497] [2020-07-20 17:28:30,955 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:31,065 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:31,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:31,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:31,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:28:31,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:31,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104203497] [2020-07-20 17:28:31,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:31,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:28:31,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246695972] [2020-07-20 17:28:31,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:28:31,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:31,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:28:31,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:31,130 INFO L87 Difference]: Start difference. First operand 469 states and 600 transitions. Second operand 3 states. [2020-07-20 17:28:31,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:31,731 INFO L93 Difference]: Finished difference Result 1378 states and 1794 transitions. [2020-07-20 17:28:31,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:28:31,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-07-20 17:28:31,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:31,741 INFO L225 Difference]: With dead ends: 1378 [2020-07-20 17:28:31,741 INFO L226 Difference]: Without dead ends: 915 [2020-07-20 17:28:31,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:31,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-07-20 17:28:31,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 909. [2020-07-20 17:28:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-07-20 17:28:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1153 transitions. [2020-07-20 17:28:31,823 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1153 transitions. Word has length 137 [2020-07-20 17:28:31,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:31,824 INFO L479 AbstractCegarLoop]: Abstraction has 909 states and 1153 transitions. [2020-07-20 17:28:31,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:28:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1153 transitions. [2020-07-20 17:28:31,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 17:28:31,835 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:31,835 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:32,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:32,050 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:32,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:32,051 INFO L82 PathProgramCache]: Analyzing trace with hash -689459332, now seen corresponding path program 1 times [2020-07-20 17:28:32,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:32,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389994495] [2020-07-20 17:28:32,053 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:32,179 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:32,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:32,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:32,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:32,226 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 17:28:32,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:32,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389994495] [2020-07-20 17:28:32,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:32,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:28:32,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452246209] [2020-07-20 17:28:32,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:28:32,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:32,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:28:32,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:32,229 INFO L87 Difference]: Start difference. First operand 909 states and 1153 transitions. Second operand 3 states. [2020-07-20 17:28:32,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:32,839 INFO L93 Difference]: Finished difference Result 2101 states and 2761 transitions. [2020-07-20 17:28:32,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:28:32,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-20 17:28:32,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:32,851 INFO L225 Difference]: With dead ends: 2101 [2020-07-20 17:28:32,851 INFO L226 Difference]: Without dead ends: 1198 [2020-07-20 17:28:32,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 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 17:28:32,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-07-20 17:28:32,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1197. [2020-07-20 17:28:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-07-20 17:28:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1554 transitions. [2020-07-20 17:28:32,915 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1554 transitions. Word has length 145 [2020-07-20 17:28:32,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:32,916 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1554 transitions. [2020-07-20 17:28:32,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:28:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1554 transitions. [2020-07-20 17:28:32,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 17:28:32,965 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:32,966 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:33,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:33,167 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:33,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:33,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2094439476, now seen corresponding path program 1 times [2020-07-20 17:28:33,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:33,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890306587] [2020-07-20 17:28:33,169 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:33,266 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:33,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:33,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:33,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:33,310 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:28:33,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:28:33,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890306587] [2020-07-20 17:28:33,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:28:33,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 17:28:33,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571574236] [2020-07-20 17:28:33,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:28:33,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:33,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:28:33,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:28:33,418 INFO L87 Difference]: Start difference. First operand 1197 states and 1554 transitions. Second operand 6 states. [2020-07-20 17:28:34,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:34,549 INFO L93 Difference]: Finished difference Result 2745 states and 3656 transitions. [2020-07-20 17:28:34,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:28:34,549 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2020-07-20 17:28:34,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:34,560 INFO L225 Difference]: With dead ends: 2745 [2020-07-20 17:28:34,560 INFO L226 Difference]: Without dead ends: 1554 [2020-07-20 17:28:34,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 294 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:28:34,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2020-07-20 17:28:34,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1525. [2020-07-20 17:28:34,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2020-07-20 17:28:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1965 transitions. [2020-07-20 17:28:34,617 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1965 transitions. Word has length 149 [2020-07-20 17:28:34,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:34,617 INFO L479 AbstractCegarLoop]: Abstraction has 1525 states and 1965 transitions. [2020-07-20 17:28:34,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:28:34,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1965 transitions. [2020-07-20 17:28:34,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 17:28:34,625 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:34,625 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:28:34,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:34,840 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:34,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:34,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1890827528, now seen corresponding path program 1 times [2020-07-20 17:28:34,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:34,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921894749] [2020-07-20 17:28:34,841 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:34,950 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:34,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:34,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:34,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:28:35,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:35,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921894749] [2020-07-20 17:28:35,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:35,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:28:35,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095685584] [2020-07-20 17:28:35,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:28:35,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:35,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:28:35,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:35,008 INFO L87 Difference]: Start difference. First operand 1525 states and 1965 transitions. Second operand 3 states. [2020-07-20 17:28:35,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:35,711 INFO L93 Difference]: Finished difference Result 4536 states and 5943 transitions. [2020-07-20 17:28:35,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:28:35,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-20 17:28:35,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:35,738 INFO L225 Difference]: With dead ends: 4536 [2020-07-20 17:28:35,739 INFO L226 Difference]: Without dead ends: 3017 [2020-07-20 17:28:35,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:35,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-07-20 17:28:35,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 3017. [2020-07-20 17:28:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-07-20 17:28:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3879 transitions. [2020-07-20 17:28:35,891 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3879 transitions. Word has length 153 [2020-07-20 17:28:35,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:35,891 INFO L479 AbstractCegarLoop]: Abstraction has 3017 states and 3879 transitions. [2020-07-20 17:28:35,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:28:35,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3879 transitions. [2020-07-20 17:28:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-20 17:28:35,903 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:35,904 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:36,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:36,117 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:36,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:36,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1324893951, now seen corresponding path program 1 times [2020-07-20 17:28:36,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:36,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905286981] [2020-07-20 17:28:36,119 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:36,254 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:36,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:36,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:36,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 17:28:36,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 17:28:36,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905286981] [2020-07-20 17:28:36,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:28:36,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 17:28:36,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410825089] [2020-07-20 17:28:36,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:28:36,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:36,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:28:36,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:28:36,385 INFO L87 Difference]: Start difference. First operand 3017 states and 3879 transitions. Second operand 6 states. [2020-07-20 17:28:37,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:37,382 INFO L93 Difference]: Finished difference Result 6088 states and 7892 transitions. [2020-07-20 17:28:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 17:28:37,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-07-20 17:28:37,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:37,400 INFO L225 Difference]: With dead ends: 6088 [2020-07-20 17:28:37,401 INFO L226 Difference]: Without dead ends: 3077 [2020-07-20 17:28:37,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:28:37,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3077 states. [2020-07-20 17:28:37,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3077 to 3055. [2020-07-20 17:28:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3055 states. [2020-07-20 17:28:37,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 3691 transitions. [2020-07-20 17:28:37,510 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 3691 transitions. Word has length 165 [2020-07-20 17:28:37,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:37,511 INFO L479 AbstractCegarLoop]: Abstraction has 3055 states and 3691 transitions. [2020-07-20 17:28:37,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:28:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 3691 transitions. [2020-07-20 17:28:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-20 17:28:37,520 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:37,520 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:37,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:37,735 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:37,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:37,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1116878025, now seen corresponding path program 1 times [2020-07-20 17:28:37,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:37,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835701127] [2020-07-20 17:28:37,737 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:37,856 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:37,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:37,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 17:28:37,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 17:28:37,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:37,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835701127] [2020-07-20 17:28:37,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:37,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:28:37,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322208761] [2020-07-20 17:28:37,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:28:37,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:37,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:28:37,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:28:37,911 INFO L87 Difference]: Start difference. First operand 3055 states and 3691 transitions. Second operand 5 states. [2020-07-20 17:28:38,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:38,788 INFO L93 Difference]: Finished difference Result 8100 states and 10229 transitions. [2020-07-20 17:28:38,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:28:38,789 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-07-20 17:28:38,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:38,815 INFO L225 Difference]: With dead ends: 8100 [2020-07-20 17:28:38,816 INFO L226 Difference]: Without dead ends: 5051 [2020-07-20 17:28:38,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:28:38,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5051 states. [2020-07-20 17:28:38,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5051 to 4979. [2020-07-20 17:28:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4979 states. [2020-07-20 17:28:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4979 states to 4979 states and 5904 transitions. [2020-07-20 17:28:38,966 INFO L78 Accepts]: Start accepts. Automaton has 4979 states and 5904 transitions. Word has length 167 [2020-07-20 17:28:38,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:38,966 INFO L479 AbstractCegarLoop]: Abstraction has 4979 states and 5904 transitions. [2020-07-20 17:28:38,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:28:38,966 INFO L276 IsEmpty]: Start isEmpty. Operand 4979 states and 5904 transitions. [2020-07-20 17:28:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-07-20 17:28:38,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:38,981 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:39,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:39,196 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:39,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:39,196 INFO L82 PathProgramCache]: Analyzing trace with hash -27942242, now seen corresponding path program 1 times [2020-07-20 17:28:39,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:39,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278148603] [2020-07-20 17:28:39,197 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:39,329 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:39,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:39,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:39,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-07-20 17:28:39,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 120 proven. 39 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-20 17:28:39,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278148603] [2020-07-20 17:28:39,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:28:39,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 17:28:39,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177374692] [2020-07-20 17:28:39,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:28:39,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:39,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:28:39,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:28:39,575 INFO L87 Difference]: Start difference. First operand 4979 states and 5904 transitions. Second operand 6 states. [2020-07-20 17:28:40,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:40,391 INFO L93 Difference]: Finished difference Result 9959 states and 11817 transitions. [2020-07-20 17:28:40,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:28:40,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 235 [2020-07-20 17:28:40,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:40,413 INFO L225 Difference]: With dead ends: 9959 [2020-07-20 17:28:40,414 INFO L226 Difference]: Without dead ends: 4373 [2020-07-20 17:28:40,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 466 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:28:40,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4373 states. [2020-07-20 17:28:40,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4373 to 4362. [2020-07-20 17:28:40,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4362 states. [2020-07-20 17:28:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4362 states to 4362 states and 5018 transitions. [2020-07-20 17:28:40,525 INFO L78 Accepts]: Start accepts. Automaton has 4362 states and 5018 transitions. Word has length 235 [2020-07-20 17:28:40,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:40,525 INFO L479 AbstractCegarLoop]: Abstraction has 4362 states and 5018 transitions. [2020-07-20 17:28:40,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:28:40,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4362 states and 5018 transitions. [2020-07-20 17:28:40,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-20 17:28:40,538 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:40,538 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:28:40,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:40,752 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:40,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:40,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1585046762, now seen corresponding path program 1 times [2020-07-20 17:28:40,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:40,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1104968851] [2020-07-20 17:28:40,753 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:40,888 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:40,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:40,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:40,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-07-20 17:28:40,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 144 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-07-20 17:28:41,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1104968851] [2020-07-20 17:28:41,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:28:41,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:28:41,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575486809] [2020-07-20 17:28:41,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:28:41,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:41,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:28:41,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:28:41,088 INFO L87 Difference]: Start difference. First operand 4362 states and 5018 transitions. Second operand 7 states. [2020-07-20 17:28:42,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:42,616 INFO L93 Difference]: Finished difference Result 9712 states and 11161 transitions. [2020-07-20 17:28:42,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:28:42,617 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 239 [2020-07-20 17:28:42,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:42,640 INFO L225 Difference]: With dead ends: 9712 [2020-07-20 17:28:42,641 INFO L226 Difference]: Without dead ends: 5356 [2020-07-20 17:28:42,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 473 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 17:28:42,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5356 states. [2020-07-20 17:28:42,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5356 to 3478. [2020-07-20 17:28:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3478 states. [2020-07-20 17:28:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 3478 states and 3796 transitions. [2020-07-20 17:28:42,747 INFO L78 Accepts]: Start accepts. Automaton has 3478 states and 3796 transitions. Word has length 239 [2020-07-20 17:28:42,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:42,748 INFO L479 AbstractCegarLoop]: Abstraction has 3478 states and 3796 transitions. [2020-07-20 17:28:42,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:28:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3478 states and 3796 transitions. [2020-07-20 17:28:42,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-07-20 17:28:42,760 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:42,761 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:42,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:42,975 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:42,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:42,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1885983282, now seen corresponding path program 1 times [2020-07-20 17:28:42,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:42,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890800234] [2020-07-20 17:28:42,976 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:43,184 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:43,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:43,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:43,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-07-20 17:28:43,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 151 proven. 13 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-20 17:28:43,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890800234] [2020-07-20 17:28:43,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:28:43,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:28:43,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725717963] [2020-07-20 17:28:43,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:28:43,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:43,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:28:43,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:28:43,357 INFO L87 Difference]: Start difference. First operand 3478 states and 3796 transitions. Second operand 7 states. [2020-07-20 17:28:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:44,928 INFO L93 Difference]: Finished difference Result 8111 states and 8911 transitions. [2020-07-20 17:28:44,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 17:28:44,929 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 246 [2020-07-20 17:28:44,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:44,948 INFO L225 Difference]: With dead ends: 8111 [2020-07-20 17:28:44,949 INFO L226 Difference]: Without dead ends: 3460 [2020-07-20 17:28:44,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 487 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 17:28:44,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3460 states. [2020-07-20 17:28:45,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3460 to 3314. [2020-07-20 17:28:45,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3314 states. [2020-07-20 17:28:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 3562 transitions. [2020-07-20 17:28:45,139 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 3562 transitions. Word has length 246 [2020-07-20 17:28:45,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:45,139 INFO L479 AbstractCegarLoop]: Abstraction has 3314 states and 3562 transitions. [2020-07-20 17:28:45,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:28:45,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 3562 transitions. [2020-07-20 17:28:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-07-20 17:28:45,155 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:45,156 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:45,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:45,372 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:45,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:45,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1018854099, now seen corresponding path program 1 times [2020-07-20 17:28:45,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:45,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820577474] [2020-07-20 17:28:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:45,533 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:45,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:45,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:28:45,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-07-20 17:28:45,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:28:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 152 proven. 18 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-20 17:28:45,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820577474] [2020-07-20 17:28:45,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:28:45,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:28:45,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483266936] [2020-07-20 17:28:45,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:28:45,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:45,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:28:45,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:28:45,705 INFO L87 Difference]: Start difference. First operand 3314 states and 3562 transitions. Second operand 7 states. [2020-07-20 17:28:46,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:46,174 INFO L93 Difference]: Finished difference Result 6455 states and 6951 transitions. [2020-07-20 17:28:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 17:28:46,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 250 [2020-07-20 17:28:46,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:46,184 INFO L225 Difference]: With dead ends: 6455 [2020-07-20 17:28:46,184 INFO L226 Difference]: Without dead ends: 3147 [2020-07-20 17:28:46,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 494 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 17:28:46,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2020-07-20 17:28:46,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3141. [2020-07-20 17:28:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3141 states. [2020-07-20 17:28:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 3141 states and 3339 transitions. [2020-07-20 17:28:46,253 INFO L78 Accepts]: Start accepts. Automaton has 3141 states and 3339 transitions. Word has length 250 [2020-07-20 17:28:46,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:46,254 INFO L479 AbstractCegarLoop]: Abstraction has 3141 states and 3339 transitions. [2020-07-20 17:28:46,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:28:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 3339 transitions. [2020-07-20 17:28:46,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-07-20 17:28:46,263 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:28:46,264 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:46,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:46,478 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:28:46,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:28:46,478 INFO L82 PathProgramCache]: Analyzing trace with hash 631595354, now seen corresponding path program 1 times [2020-07-20 17:28:46,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:28:46,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061760801] [2020-07-20 17:28:46,479 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:46,640 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:28:46,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:28:46,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:28:46,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:28:46,763 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-07-20 17:28:46,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:28:46,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061760801] [2020-07-20 17:28:46,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:28:46,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:28:46,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039572781] [2020-07-20 17:28:46,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:28:46,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:28:46,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:28:46,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:28:46,766 INFO L87 Difference]: Start difference. First operand 3141 states and 3339 transitions. Second operand 3 states. [2020-07-20 17:28:47,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:28:47,196 INFO L93 Difference]: Finished difference Result 5070 states and 5390 transitions. [2020-07-20 17:28:47,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:28:47,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-07-20 17:28:47,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:28:47,198 INFO L225 Difference]: With dead ends: 5070 [2020-07-20 17:28:47,198 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 17:28:47,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 269 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 17:28:47,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 17:28:47,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 17:28:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 17:28:47,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 17:28:47,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 271 [2020-07-20 17:28:47,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:28:47,212 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 17:28:47,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:28:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 17:28:47,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 17:28:47,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:28:47,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 17:28:48,006 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 141 [2020-07-20 17:28:48,161 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 141 [2020-07-20 17:28:50,592 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 181 DAG size of output: 98 [2020-07-20 17:28:51,490 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 69 [2020-07-20 17:28:52,371 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 69 [2020-07-20 17:28:52,375 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:28:52,376 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0)) [2020-07-20 17:28:52,376 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:28:52,376 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,376 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,377 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,377 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,377 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,377 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 17:28:52,377 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 17:28:52,378 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 17:28:52,378 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 17:28:52,378 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 17:28:52,378 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 17:28:52,378 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 17:28:52,378 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 17:28:52,378 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 17:28:52,379 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 17:28:52,379 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 17:28:52,379 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 17:28:52,379 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 17:28:52,379 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,379 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,379 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,379 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,380 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 17:28:52,380 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,380 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 17:28:52,380 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 17:28:52,380 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 17:28:52,380 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 17:28:52,380 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 17:28:52,380 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 17:28:52,381 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 17:28:52,381 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 17:28:52,381 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 17:28:52,381 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 17:28:52,381 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 17:28:52,381 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 17:28:52,381 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 17:28:52,381 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 17:28:52,382 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 17:28:52,382 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,382 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,382 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,382 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,382 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,382 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 502) no Hoare annotation was computed. [2020-07-20 17:28:52,382 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 17:28:52,383 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 17:28:52,383 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 17:28:52,383 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 17:28:52,383 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 17:28:52,383 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 17:28:52,383 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 17:28:52,383 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 17:28:52,383 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 17:28:52,384 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 17:28:52,384 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 17:28:52,384 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,384 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,384 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,384 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,384 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,384 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 17:28:52,384 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 17:28:52,385 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 17:28:52,385 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 17:28:52,385 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 17:28:52,385 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 17:28:52,385 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 17:28:52,385 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 17:28:52,385 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 17:28:52,385 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 17:28:52,386 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 17:28:52,386 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 17:28:52,386 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 17:28:52,386 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,386 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,386 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,386 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,386 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,387 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 17:28:52,387 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 17:28:52,387 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 17:28:52,387 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 17:28:52,387 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 17:28:52,387 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 17:28:52,387 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 17:28:52,387 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 17:28:52,387 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 17:28:52,388 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 17:28:52,388 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 17:28:52,388 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 17:28:52,388 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 17:28:52,388 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 17:28:52,388 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 17:28:52,388 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 17:28:52,388 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,388 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,389 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,389 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,389 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 17:28:52,389 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,389 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 17:28:52,389 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,389 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 17:28:52,389 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 17:28:52,390 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 17:28:52,390 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,390 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,390 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 17:28:52,390 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 17:28:52,390 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 17:28:52,390 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 17:28:52,390 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 17:28:52,390 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 17:28:52,391 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 17:28:52,391 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 17:28:52,391 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 17:28:52,391 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 17:28:52,391 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 17:28:52,391 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,391 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,391 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,392 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,392 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,392 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,392 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 17:28:52,392 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 17:28:52,392 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 17:28:52,392 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 17:28:52,392 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 17:28:52,392 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 17:28:52,393 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 17:28:52,393 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 17:28:52,393 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 17:28:52,393 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 17:28:52,393 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 17:28:52,393 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,393 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,393 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,394 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,394 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,394 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,394 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 17:28:52,394 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 17:28:52,394 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 17:28:52,394 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 17:28:52,394 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 17:28:52,394 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 17:28:52,395 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 17:28:52,395 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 17:28:52,395 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 17:28:52,395 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 17:28:52,395 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 17:28:52,395 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 17:28:52,395 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 17:28:52,395 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 17:28:52,395 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,396 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,396 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,396 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse20 (<= ~a17~0 8)) (.cse21 (<= 8 ~a17~0)) (.cse24 (not (= 1 ~a11~0))) (.cse4 (<= ~a17~0 |old(~a17~0)|)) (.cse23 (<= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse7 (<= |old(~a28~0)| ~a28~0))) (let ((.cse9 (and .cse4 .cse23 .cse6 .cse7)) (.cse5 (<= ~a28~0 9)) (.cse0 (not (<= 9 |old(~a28~0)|))) (.cse14 (not (<= 11 |old(~a28~0)|))) (.cse27 (and .cse23 .cse20 .cse21 .cse6 .cse24 .cse7)) (.cse3 (not (<= |old(~a17~0)| 7))) (.cse8 (not (= 1 |old(~a19~0)|))) (.cse12 (<= ~a25~0 0)) (.cse15 (not (<= |old(~a28~0)| 10))) (.cse19 (<= ~a28~0 10)) (.cse17 (not (<= 10 |old(~a28~0)|))) (.cse22 (= 1 |old(~a11~0)|)) (.cse16 (<= ~a11~0 0)) (.cse1 (not (<= |old(~a28~0)| 9))) (.cse11 (not (<= |old(~a25~0)| 0))) (.cse18 (not (<= |old(~a11~0)| 0))) (.cse25 (not (<= |old(~a28~0)| 7))) (.cse10 (not (<= 8 |old(~a17~0)|))) (.cse2 (not (<= |old(~a19~0)| 0))) (.cse26 (and .cse23 .cse20 .cse21 .cse6 .cse7)) (.cse13 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7)) (or .cse8 .cse1 .cse3 .cse9) (or .cse8 .cse0 .cse1 .cse10 .cse11 .cse12 .cse13) (or .cse8 .cse14 .cse3 .cse9) (or .cse15 .cse16 .cse10 .cse2 .cse17 .cse13 .cse18) (or .cse8 .cse15 (and .cse19 .cse6 .cse7) .cse17) (or .cse8 .cse15 .cse16 .cse17 .cse18) (or .cse8 .cse0 .cse1 .cse10 (and .cse20 .cse21 .cse5 .cse6 .cse7) .cse13) (or .cse22 .cse1 .cse10 .cse11 .cse2 (and .cse23 .cse20 .cse21 .cse12 .cse24 .cse6 .cse7) .cse13) (or (and .cse16 .cse12) .cse0 .cse1 .cse11 .cse2 .cse3 .cse18) (or .cse8 .cse15 .cse11 .cse12 .cse17) (or .cse8 .cse25 .cse10 .cse13 .cse26) (or .cse8 .cse16 .cse13 .cse18) (or .cse8 .cse22 .cse1 .cse10 .cse27 .cse13) (or .cse8 .cse22 .cse10 .cse14 .cse27 .cse13) (or .cse15 .cse11 .cse2 .cse3 .cse17 (and .cse4 .cse19 .cse12 .cse6 .cse7)) (or .cse8 .cse25 .cse11 .cse12 .cse13 .cse18) (or .cse15 .cse22 .cse10 .cse2 (and .cse20 .cse21 .cse19 .cse24 .cse6 .cse7) .cse17 .cse13) (or .cse16 .cse25 .cse10 .cse2 .cse13 .cse18) (or .cse25 .cse22 .cse10 .cse2 .cse24 .cse13) (or .cse16 .cse1 .cse10 .cse11 .cse2 .cse13 .cse18) (or .cse25 .cse10 .cse2 .cse26 .cse13)))) [2020-07-20 17:28:52,396 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,396 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,397 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,397 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 17:28:52,397 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 17:28:52,397 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 17:28:52,397 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 17:28:52,397 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 17:28:52,397 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 17:28:52,397 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 17:28:52,397 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 17:28:52,398 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 17:28:52,398 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 17:28:52,398 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 17:28:52,398 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 17:28:52,398 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 17:28:52,398 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,398 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,398 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,398 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,399 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,399 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,399 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 17:28:52,399 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 17:28:52,399 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 17:28:52,399 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 17:28:52,399 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 17:28:52,399 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 17:28:52,400 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 17:28:52,400 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 17:28:52,400 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 17:28:52,400 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 17:28:52,400 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 17:28:52,400 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 17:28:52,400 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 17:28:52,400 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 17:28:52,400 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 17:28:52,400 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 17:28:52,401 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,401 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,401 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,401 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,401 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 17:28:52,401 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 17:28:52,401 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 17:28:52,401 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 17:28:52,401 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 17:28:52,401 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 17:28:52,402 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 17:28:52,402 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 17:28:52,402 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 17:28:52,402 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 17:28:52,402 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 17:28:52,402 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 17:28:52,402 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 17:28:52,402 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 17:28:52,402 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 17:28:52,402 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 17:28:52,403 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 17:28:52,403 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 17:28:52,403 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 17:28:52,403 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 17:28:52,403 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:28:52,403 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= ~a25~0 0) (<= ~a28~0 7)) [2020-07-20 17:28:52,403 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:28:52,403 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:28:52,403 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(~a25~0)| 0)) (not (<= |old(~a17~0)| 8)) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a11~0 0) (<= ~a28~0 |old(~a28~0)|) (<= ~a25~0 0) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0)) (not (<= |old(~a11~0)| 0))) [2020-07-20 17:28:52,404 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse13 (<= 10 ~a28~0)) (.cse11 (<= ~a19~0 |old(~a19~0)|)) (.cse15 (<= 11 ~a28~0)) (.cse12 (<= |old(~a28~0)| 10)) (.cse2 (<= ~a17~0 7)) (.cse3 (< 7 |old(~a17~0)|)) (.cse0 (<= ~a28~0 10)) (.cse14 (not (= 1 ~a11~0))) (.cse5 (<= ~a19~0 0)) (.cse1 (<= ~a25~0 0)) (.cse8 (<= ~a28~0 7)) (.cse9 (= 1 ~a19~0)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse7 (<= 8 ~a17~0)) (.cse10 (<= ~a28~0 9)) (.cse4 (<= 9 ~a28~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse5 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse9 .cse10 .cse2 .cse11 .cse3 .cse12) (and .cse6 .cse7 .cse0 .cse13 .cse14 .cse5) (and .cse9 .cse2 .cse11 .cse15 .cse3 .cse12) (not (<= |old(~a11~0)| 0)) (and .cse9 .cse6 .cse7 .cse10 .cse11 .cse14 .cse12) (and .cse0 .cse13 (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse9 .cse6 .cse7 .cse8) (and .cse9 .cse6 .cse7 .cse11 .cse14 .cse15 .cse12) (and .cse10 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~a17~0)| 8)) (and .cse6 .cse7 .cse0 .cse1 .cse14 .cse5) (and .cse9 .cse6 (<= ~a11~0 0) .cse1 .cse8) (and .cse9 .cse6 .cse7 .cse10 .cse4))) [2020-07-20 17:28:52,404 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 17:28:52,404 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 17:28:52,404 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse13 (<= 10 ~a28~0)) (.cse11 (<= ~a19~0 |old(~a19~0)|)) (.cse15 (<= 11 ~a28~0)) (.cse12 (<= |old(~a28~0)| 10)) (.cse2 (<= ~a17~0 7)) (.cse3 (< 7 |old(~a17~0)|)) (.cse0 (<= ~a28~0 10)) (.cse14 (not (= 1 ~a11~0))) (.cse5 (<= ~a19~0 0)) (.cse1 (<= ~a25~0 0)) (.cse8 (<= ~a28~0 7)) (.cse9 (= 1 ~a19~0)) (.cse6 (<= ~a17~0 |old(~a17~0)|)) (.cse7 (<= 8 ~a17~0)) (.cse10 (<= ~a28~0 9)) (.cse4 (<= 9 ~a28~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse5 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse9 .cse10 .cse2 .cse11 .cse3 .cse12) (and .cse6 .cse7 .cse0 .cse13 .cse14 .cse5) (and .cse9 .cse2 .cse11 .cse15 .cse3 .cse12) (not (<= |old(~a11~0)| 0)) (and .cse9 .cse6 .cse7 .cse10 .cse11 .cse14 .cse12) (and .cse0 .cse13 (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse9 .cse6 .cse7 .cse8) (and .cse9 .cse6 .cse7 .cse11 .cse14 .cse15 .cse12) (and .cse10 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~a17~0)| 8)) (and .cse6 .cse7 .cse0 .cse1 .cse14 .cse5) (and .cse9 .cse6 (<= ~a11~0 0) .cse1 .cse8) (and .cse9 .cse6 .cse7 .cse10 .cse4))) [2020-07-20 17:28:52,404 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 17:28:52,405 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 17:28:52,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:28:52 BoogieIcfgContainer [2020-07-20 17:28:52,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:28:52,430 INFO L168 Benchmark]: Toolchain (without parser) took 26700.67 ms. Allocated memory was 146.3 MB in the beginning and 650.6 MB in the end (delta: 504.4 MB). Free memory was 101.4 MB in the beginning and 119.2 MB in the end (delta: -17.8 MB). Peak memory consumption was 491.6 MB. Max. memory is 7.1 GB. [2020-07-20 17:28:52,430 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 146.3 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 17:28:52,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.58 ms. Allocated memory was 146.3 MB in the beginning and 206.0 MB in the end (delta: 59.8 MB). Free memory was 101.0 MB in the beginning and 171.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2020-07-20 17:28:52,432 INFO L168 Benchmark]: Boogie Preprocessor took 164.58 ms. Allocated memory is still 206.0 MB. Free memory was 171.5 MB in the beginning and 166.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 17:28:52,432 INFO L168 Benchmark]: RCFGBuilder took 1383.89 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 166.8 MB in the beginning and 178.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-07-20 17:28:52,433 INFO L168 Benchmark]: TraceAbstraction took 24358.37 ms. Allocated memory was 238.0 MB in the beginning and 650.6 MB in the end (delta: 412.6 MB). Free memory was 178.9 MB in the beginning and 119.2 MB in the end (delta: 59.7 MB). Peak memory consumption was 477.3 MB. Max. memory is 7.1 GB. [2020-07-20 17:28:52,436 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 146.3 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.58 ms. Allocated memory was 146.3 MB in the beginning and 206.0 MB in the end (delta: 59.8 MB). Free memory was 101.0 MB in the beginning and 171.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.58 ms. Allocated memory is still 206.0 MB. Free memory was 171.5 MB in the beginning and 166.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1383.89 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 166.8 MB in the beginning and 178.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24358.37 ms. Allocated memory was 238.0 MB in the beginning and 650.6 MB in the end (delta: 412.6 MB). Free memory was 178.9 MB in the beginning and 119.2 MB in the end (delta: 59.7 MB). Peak memory consumption was 477.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 502]: 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)) || (((((a28 <= 10 && a25 <= 0) && a17 <= 7) && 7 < \old(a17)) && 9 <= a28) && a19 <= 0)) || (((a17 <= \old(a17) && 8 <= a17) && a19 <= 0) && a28 <= 7)) || !(\old(a28) <= 7)) || (((((1 == a19 && a28 <= 9) && a17 <= 7) && a19 <= \old(a19)) && 7 < \old(a17)) && \old(a28) <= 10)) || (((((a17 <= \old(a17) && 8 <= a17) && a28 <= 10) && 10 <= a28) && !(1 == a11)) && a19 <= 0)) || (((((1 == a19 && a17 <= 7) && a19 <= \old(a19)) && 11 <= a28) && 7 < \old(a17)) && \old(a28) <= 10)) || !(\old(a11) <= 0)) || ((((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 9) && a19 <= \old(a19)) && !(1 == a11)) && \old(a28) <= 10)) || ((a28 <= 10 && 10 <= a28) && a19 == \old(a19))) || !(\old(a25) <= 0)) || (((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 7)) || ((((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a19 <= \old(a19)) && !(1 == a11)) && 11 <= a28) && \old(a28) <= 10)) || ((((a28 <= 9 && a17 <= 7) && 7 < \old(a17)) && 9 <= a28) && a19 <= 0)) || !(\old(a17) <= 8)) || (((((a17 <= \old(a17) && 8 <= a17) && a28 <= 10) && a25 <= 0) && !(1 == a11)) && a19 <= 0)) || ((((1 == a19 && a17 <= \old(a17)) && a11 <= 0) && a25 <= 0) && a28 <= 7)) || ((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 9) && 9 <= a28) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.2s, OverallIterations: 13, TraceHistogramMax: 6, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1175 SDtfs, 4811 SDslu, 588 SDs, 0 SdLazy, 8336 SolverSat, 1334 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3700 GetRequests, 3638 SyntacticMatches, 9 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4979occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 2173 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 229 PreInvPairs, 299 NumberOfFragments, 1227 HoareAnnotationTreeSize, 229 FomulaSimplifications, 4846 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7987 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2398 NumberOfCodeBlocks, 2398 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 3663 ConstructedInterpolants, 0 QuantifiedInterpolants, 1074481 SizeOfPredicates, 17 NumberOfNonLiveVariables, 6023 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 2266/2365 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...