/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:03:50,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:03:50,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:03:50,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:03:50,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:03:50,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:03:50,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:03:50,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:03:50,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:03:50,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:03:50,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:03:50,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:03:50,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:03:50,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:03:50,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:03:50,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:03:50,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:03:50,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:03:50,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:03:50,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:03:50,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:03:50,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:03:50,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:03:50,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:03:50,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:03:50,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:03:50,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:03:50,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:03:50,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:03:50,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:03:50,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:03:50,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:03:50,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:03:50,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:03:50,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:03:50,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:03:50,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:03:50,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:03:50,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:03:50,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:03:50,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:03:50,137 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 13:03:50,151 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:03:50,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:03:50,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:03:50,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:03:50,153 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:03:50,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:03:50,154 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:03:50,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:03:50,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:03:50,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:03:50,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:03:50,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:03:50,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:03:50,155 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:03:50,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:03:50,155 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:03:50,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:03:50,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:03:50,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:03:50,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:03:50,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:03:50,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:03:50,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:03:50,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:03:50,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:03:50,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:03:50,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:50,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:03:50,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:03:50,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:03:50,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:03:50,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:03:50,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:03:50,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:03:50,495 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:03:50,496 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2020-07-20 13:03:50,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c460c307/2df462c6bb8f439188d4c872982a9911/FLAGc720edc7e [2020-07-20 13:03:51,120 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:03:51,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2020-07-20 13:03:51,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c460c307/2df462c6bb8f439188d4c872982a9911/FLAGc720edc7e [2020-07-20 13:03:51,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c460c307/2df462c6bb8f439188d4c872982a9911 [2020-07-20 13:03:51,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:03:51,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:03:51,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:51,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:03:51,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:03:51,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:51" (1/1) ... [2020-07-20 13:03:51,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69344f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:51, skipping insertion in model container [2020-07-20 13:03:51,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:51" (1/1) ... [2020-07-20 13:03:51,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:03:51,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:03:51,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:51,983 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:03:52,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:52,129 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:03:52,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:52 WrapperNode [2020-07-20 13:03:52,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:52,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:03:52,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:03:52,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:03:52,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:52" (1/1) ... [2020-07-20 13:03:52,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:52" (1/1) ... [2020-07-20 13:03:52,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:52" (1/1) ... [2020-07-20 13:03:52,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:52" (1/1) ... [2020-07-20 13:03:52,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:52" (1/1) ... [2020-07-20 13:03:52,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:52" (1/1) ... [2020-07-20 13:03:52,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:52" (1/1) ... [2020-07-20 13:03:52,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:03:52,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:03:52,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:03:52,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:03:52,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:52" (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 13:03:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:03:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:03:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:03:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:03:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:03:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:03:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:03:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:03:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:03:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:03:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:03:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:03:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:03:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:03:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:03:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:03:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:03:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:03:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:03:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:03:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:03:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:03:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:03:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:03:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:03:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:03:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:03:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:03:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:03:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:03:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:03:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:03:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:03:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:03:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:03:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:03:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:03:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:03:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:03:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:03:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:03:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:03:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:03:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:03:52,298 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:03:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:03:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:03:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:03:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:03:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:03:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:03:52,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:03:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:03:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:03:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:03:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:03:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:03:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:03:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:03:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:03:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:03:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:03:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:03:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:03:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:03:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:03:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:03:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:03:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:03:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:03:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:03:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:03:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:03:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:03:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:03:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:03:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:03:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:03:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:03:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:03:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:03:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:03:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:03:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:03:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:03:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:03:53,434 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:03:53,434 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:03:53,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:53 BoogieIcfgContainer [2020-07-20 13:03:53,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:03:53,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:03:53,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:03:53,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:03:53,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:03:51" (1/3) ... [2020-07-20 13:03:53,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3e14b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:53, skipping insertion in model container [2020-07-20 13:03:53,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:52" (2/3) ... [2020-07-20 13:03:53,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3e14b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:53, skipping insertion in model container [2020-07-20 13:03:53,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:53" (3/3) ... [2020-07-20 13:03:53,447 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2020-07-20 13:03:53,458 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:03:53,465 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:03:53,479 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:03:53,502 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:03:53,503 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:03:53,503 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:03:53,503 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:03:53,503 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:03:53,504 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:03:53,504 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:03:53,504 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:03:53,525 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-20 13:03:53,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:03:53,534 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:53,535 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] [2020-07-20 13:03:53,536 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:53,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:53,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1091923628, now seen corresponding path program 1 times [2020-07-20 13:03:53,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:53,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978004879] [2020-07-20 13:03:53,551 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 13:03:54,008 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:54,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:54,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:03:54,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:54,057 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 13:03:54,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:54,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978004879] [2020-07-20 13:03:54,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:54,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:03:54,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731881678] [2020-07-20 13:03:54,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:03:54,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:54,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:03:54,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:54,086 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2020-07-20 13:03:54,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:54,131 INFO L93 Difference]: Finished difference Result 268 states and 333 transitions. [2020-07-20 13:03:54,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:03:54,133 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:03:54,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:54,147 INFO L225 Difference]: With dead ends: 268 [2020-07-20 13:03:54,147 INFO L226 Difference]: Without dead ends: 134 [2020-07-20 13:03:54,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:54,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-20 13:03:54,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-20 13:03:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-20 13:03:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2020-07-20 13:03:54,223 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2020-07-20 13:03:54,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:54,223 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2020-07-20 13:03:54,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:03:54,224 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2020-07-20 13:03:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:03:54,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:54,228 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] [2020-07-20 13:03:54,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:54,435 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:54,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:54,436 INFO L82 PathProgramCache]: Analyzing trace with hash 644500822, now seen corresponding path program 1 times [2020-07-20 13:03:54,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:54,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142761963] [2020-07-20 13:03:54,438 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 13:03:54,849 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:54,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:54,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:03:54,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:54,905 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 13:03:54,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:54,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142761963] [2020-07-20 13:03:54,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:54,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:54,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818823545] [2020-07-20 13:03:54,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:54,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:54,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:54,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:54,909 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2020-07-20 13:03:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:54,931 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2020-07-20 13:03:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:54,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:03:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:54,934 INFO L225 Difference]: With dead ends: 211 [2020-07-20 13:03:54,935 INFO L226 Difference]: Without dead ends: 125 [2020-07-20 13:03:54,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 13:03:54,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-20 13:03:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-20 13:03:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-20 13:03:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2020-07-20 13:03:54,951 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2020-07-20 13:03:54,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:54,952 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2020-07-20 13:03:54,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2020-07-20 13:03:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:03:54,954 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:54,954 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] [2020-07-20 13:03:55,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:55,167 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:55,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:55,168 INFO L82 PathProgramCache]: Analyzing trace with hash -350015351, now seen corresponding path program 1 times [2020-07-20 13:03:55,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:55,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1083267797] [2020-07-20 13:03:55,170 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 13:03:55,625 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:55,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:55,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:03:55,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:55,663 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 13:03:55,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:55,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1083267797] [2020-07-20 13:03:55,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:55,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:55,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532461431] [2020-07-20 13:03:55,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:55,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:55,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:55,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:55,667 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 3 states. [2020-07-20 13:03:55,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:55,695 INFO L93 Difference]: Finished difference Result 325 states and 390 transitions. [2020-07-20 13:03:55,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:55,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 13:03:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:55,700 INFO L225 Difference]: With dead ends: 325 [2020-07-20 13:03:55,700 INFO L226 Difference]: Without dead ends: 224 [2020-07-20 13:03:55,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 13:03:55,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-20 13:03:55,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 220. [2020-07-20 13:03:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-20 13:03:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 263 transitions. [2020-07-20 13:03:55,730 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 263 transitions. Word has length 51 [2020-07-20 13:03:55,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:55,731 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 263 transitions. [2020-07-20 13:03:55,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 263 transitions. [2020-07-20 13:03:55,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 13:03:55,734 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:55,734 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] [2020-07-20 13:03:55,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:55,949 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:55,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:55,950 INFO L82 PathProgramCache]: Analyzing trace with hash -103520613, now seen corresponding path program 1 times [2020-07-20 13:03:55,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:55,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142753075] [2020-07-20 13:03:55,951 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 13:03:56,358 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:56,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:56,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:03:56,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:56,439 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 13:03:56,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:56,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142753075] [2020-07-20 13:03:56,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:56,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:56,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541520193] [2020-07-20 13:03:56,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:56,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:56,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:56,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:56,441 INFO L87 Difference]: Start difference. First operand 220 states and 263 transitions. Second operand 6 states. [2020-07-20 13:03:56,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:56,716 INFO L93 Difference]: Finished difference Result 593 states and 747 transitions. [2020-07-20 13:03:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:56,717 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 13:03:56,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:56,722 INFO L225 Difference]: With dead ends: 593 [2020-07-20 13:03:56,723 INFO L226 Difference]: Without dead ends: 397 [2020-07-20 13:03:56,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:03:56,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-07-20 13:03:56,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-07-20 13:03:56,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-07-20 13:03:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 496 transitions. [2020-07-20 13:03:56,772 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 496 transitions. Word has length 57 [2020-07-20 13:03:56,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:56,773 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 496 transitions. [2020-07-20 13:03:56,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:56,773 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 496 transitions. [2020-07-20 13:03:56,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 13:03:56,777 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:56,777 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] [2020-07-20 13:03:56,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:56,991 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:56,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:56,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1065334495, now seen corresponding path program 1 times [2020-07-20 13:03:56,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:56,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269864244] [2020-07-20 13:03:56,994 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 13:03:57,363 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:57,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:57,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:03:57,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:57,386 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 13:03:57,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:57,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [269864244] [2020-07-20 13:03:57,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:57,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:57,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728083449] [2020-07-20 13:03:57,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:57,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:57,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:57,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:57,389 INFO L87 Difference]: Start difference. First operand 397 states and 496 transitions. Second operand 3 states. [2020-07-20 13:03:57,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:57,453 INFO L93 Difference]: Finished difference Result 917 states and 1213 transitions. [2020-07-20 13:03:57,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:57,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-20 13:03:57,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:57,461 INFO L225 Difference]: With dead ends: 917 [2020-07-20 13:03:57,461 INFO L226 Difference]: Without dead ends: 544 [2020-07-20 13:03:57,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 13:03:57,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-07-20 13:03:57,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 531. [2020-07-20 13:03:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-07-20 13:03:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 677 transitions. [2020-07-20 13:03:57,547 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 677 transitions. Word has length 61 [2020-07-20 13:03:57,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:57,548 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 677 transitions. [2020-07-20 13:03:57,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 677 transitions. [2020-07-20 13:03:57,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 13:03:57,553 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:57,553 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] [2020-07-20 13:03:57,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:57,768 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:57,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:57,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1221380108, now seen corresponding path program 1 times [2020-07-20 13:03:57,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:57,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599544408] [2020-07-20 13:03:57,771 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 13:03:58,096 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:58,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:58,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:03:58,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 13:03:58,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:58,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599544408] [2020-07-20 13:03:58,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:58,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:58,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996086499] [2020-07-20 13:03:58,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:58,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:58,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:58,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:58,134 INFO L87 Difference]: Start difference. First operand 531 states and 677 transitions. Second operand 3 states. [2020-07-20 13:03:58,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:58,226 INFO L93 Difference]: Finished difference Result 629 states and 800 transitions. [2020-07-20 13:03:58,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:58,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-07-20 13:03:58,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:58,230 INFO L225 Difference]: With dead ends: 629 [2020-07-20 13:03:58,230 INFO L226 Difference]: Without dead ends: 320 [2020-07-20 13:03:58,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 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 13:03:58,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-07-20 13:03:58,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 314. [2020-07-20 13:03:58,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2020-07-20 13:03:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 389 transitions. [2020-07-20 13:03:58,249 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 389 transitions. Word has length 112 [2020-07-20 13:03:58,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:58,249 INFO L479 AbstractCegarLoop]: Abstraction has 314 states and 389 transitions. [2020-07-20 13:03:58,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:58,249 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 389 transitions. [2020-07-20 13:03:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-20 13:03:58,251 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:58,252 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:58,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:58,465 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:58,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:58,466 INFO L82 PathProgramCache]: Analyzing trace with hash 605263964, now seen corresponding path program 1 times [2020-07-20 13:03:58,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:58,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819035205] [2020-07-20 13:03:58,467 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 13:03:58,831 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:58,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:58,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:03:58,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 13:03:58,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:58,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819035205] [2020-07-20 13:03:58,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:58,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:58,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346324279] [2020-07-20 13:03:58,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:58,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:58,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:58,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:58,889 INFO L87 Difference]: Start difference. First operand 314 states and 389 transitions. Second operand 6 states. [2020-07-20 13:03:58,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:58,941 INFO L93 Difference]: Finished difference Result 614 states and 784 transitions. [2020-07-20 13:03:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:58,944 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2020-07-20 13:03:58,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:58,946 INFO L225 Difference]: With dead ends: 614 [2020-07-20 13:03:58,947 INFO L226 Difference]: Without dead ends: 324 [2020-07-20 13:03:58,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:03:58,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-07-20 13:03:58,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2020-07-20 13:03:58,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-07-20 13:03:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 400 transitions. [2020-07-20 13:03:58,987 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 400 transitions. Word has length 128 [2020-07-20 13:03:58,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:58,987 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 400 transitions. [2020-07-20 13:03:58,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:58,988 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 400 transitions. [2020-07-20 13:03:58,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-20 13:03:58,989 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:58,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:59,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:59,203 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:59,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:59,204 INFO L82 PathProgramCache]: Analyzing trace with hash 845503710, now seen corresponding path program 1 times [2020-07-20 13:03:59,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:59,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801764397] [2020-07-20 13:03:59,206 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 13:03:59,491 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:59,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:59,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:03:59,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 13:03:59,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:59,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801764397] [2020-07-20 13:03:59,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:59,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:03:59,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805794841] [2020-07-20 13:03:59,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:03:59,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:59,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:03:59,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:03:59,534 INFO L87 Difference]: Start difference. First operand 324 states and 400 transitions. Second operand 5 states. [2020-07-20 13:03:59,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:59,582 INFO L93 Difference]: Finished difference Result 622 states and 795 transitions. [2020-07-20 13:03:59,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:03:59,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-07-20 13:03:59,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:59,585 INFO L225 Difference]: With dead ends: 622 [2020-07-20 13:03:59,585 INFO L226 Difference]: Without dead ends: 322 [2020-07-20 13:03:59,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:03:59,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-07-20 13:03:59,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2020-07-20 13:03:59,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-07-20 13:03:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 393 transitions. [2020-07-20 13:03:59,604 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 393 transitions. Word has length 128 [2020-07-20 13:03:59,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:59,605 INFO L479 AbstractCegarLoop]: Abstraction has 322 states and 393 transitions. [2020-07-20 13:03:59,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:03:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 393 transitions. [2020-07-20 13:03:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-20 13:03:59,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:59,610 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:59,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:59,825 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:59,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:59,826 INFO L82 PathProgramCache]: Analyzing trace with hash -639551841, now seen corresponding path program 1 times [2020-07-20 13:03:59,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:59,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1371972152] [2020-07-20 13:03:59,828 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 13:04:00,063 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:04:00,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:00,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:04:00,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:00,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:00,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1371972152] [2020-07-20 13:04:00,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:00,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:00,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484956471] [2020-07-20 13:04:00,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:00,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:00,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:00,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:00,146 INFO L87 Difference]: Start difference. First operand 322 states and 393 transitions. Second operand 6 states. [2020-07-20 13:04:00,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:00,915 INFO L93 Difference]: Finished difference Result 873 states and 1131 transitions. [2020-07-20 13:04:00,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:04:00,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2020-07-20 13:04:00,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:00,923 INFO L225 Difference]: With dead ends: 873 [2020-07-20 13:04:00,923 INFO L226 Difference]: Without dead ends: 575 [2020-07-20 13:04:00,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:04:00,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2020-07-20 13:04:00,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 558. [2020-07-20 13:04:00,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-07-20 13:04:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 691 transitions. [2020-07-20 13:04:00,957 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 691 transitions. Word has length 128 [2020-07-20 13:04:00,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:00,958 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 691 transitions. [2020-07-20 13:04:00,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:00,958 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 691 transitions. [2020-07-20 13:04:00,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-20 13:04:00,960 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:00,961 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:01,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:01,173 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:01,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:01,174 INFO L82 PathProgramCache]: Analyzing trace with hash -2030061671, now seen corresponding path program 1 times [2020-07-20 13:04:01,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:01,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792665870] [2020-07-20 13:04:01,175 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 13:04:01,504 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:01,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:01,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:04:01,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:01,615 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:01,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:04:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:04:01,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792665870] [2020-07-20 13:04:01,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:04:01,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-20 13:04:01,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853361893] [2020-07-20 13:04:01,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 13:04:01,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:01,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 13:04:01,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-20 13:04:01,951 INFO L87 Difference]: Start difference. First operand 558 states and 691 transitions. Second operand 12 states. [2020-07-20 13:04:03,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:03,400 INFO L93 Difference]: Finished difference Result 1567 states and 2108 transitions. [2020-07-20 13:04:03,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 13:04:03,400 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-07-20 13:04:03,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:03,407 INFO L225 Difference]: With dead ends: 1567 [2020-07-20 13:04:03,408 INFO L226 Difference]: Without dead ends: 879 [2020-07-20 13:04:03,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 252 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-20 13:04:03,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-07-20 13:04:03,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 722. [2020-07-20 13:04:03,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-07-20 13:04:03,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 895 transitions. [2020-07-20 13:04:03,460 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 895 transitions. Word has length 132 [2020-07-20 13:04:03,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:03,461 INFO L479 AbstractCegarLoop]: Abstraction has 722 states and 895 transitions. [2020-07-20 13:04:03,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 13:04:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 895 transitions. [2020-07-20 13:04:03,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-20 13:04:03,465 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:03,465 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 13:04:03,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:03,679 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:03,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:03,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1653717520, now seen corresponding path program 1 times [2020-07-20 13:04:03,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:03,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889231017] [2020-07-20 13:04:03,681 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 13:04:03,991 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:03,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:03,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 13:04:04,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:04,086 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 13:04:04,087 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 13:04:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 13:04:04,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:04:04,414 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:04:04,473 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 13:04:04,474 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:04:04,526 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 13:04:04,527 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:04:04,551 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 13:04:04,551 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:04:04,630 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:04:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 47 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-20 13:04:04,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889231017] [2020-07-20 13:04:04,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:04:04,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 13:04:04,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307159916] [2020-07-20 13:04:04,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 13:04:04,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:04,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 13:04:04,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-20 13:04:04,822 INFO L87 Difference]: Start difference. First operand 722 states and 895 transitions. Second operand 16 states. [2020-07-20 13:04:06,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:06,813 INFO L93 Difference]: Finished difference Result 2072 states and 2814 transitions. [2020-07-20 13:04:06,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 13:04:06,814 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 185 [2020-07-20 13:04:06,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:06,824 INFO L225 Difference]: With dead ends: 2072 [2020-07-20 13:04:06,824 INFO L226 Difference]: Without dead ends: 1431 [2020-07-20 13:04:06,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 360 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-07-20 13:04:06,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2020-07-20 13:04:06,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1143. [2020-07-20 13:04:06,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2020-07-20 13:04:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1412 transitions. [2020-07-20 13:04:06,903 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1412 transitions. Word has length 185 [2020-07-20 13:04:06,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:06,903 INFO L479 AbstractCegarLoop]: Abstraction has 1143 states and 1412 transitions. [2020-07-20 13:04:06,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 13:04:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1412 transitions. [2020-07-20 13:04:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-20 13:04:06,908 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:06,908 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 13:04:07,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:07,121 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:07,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:07,122 INFO L82 PathProgramCache]: Analyzing trace with hash 595879442, now seen corresponding path program 1 times [2020-07-20 13:04:07,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:07,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922580393] [2020-07-20 13:04:07,124 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 13:04:07,444 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:07,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:07,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:04:07,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 13:04:07,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:07,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922580393] [2020-07-20 13:04:07,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:07,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:07,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147024239] [2020-07-20 13:04:07,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:07,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:07,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:07,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:07,506 INFO L87 Difference]: Start difference. First operand 1143 states and 1412 transitions. Second operand 6 states. [2020-07-20 13:04:07,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:07,558 INFO L93 Difference]: Finished difference Result 1458 states and 1783 transitions. [2020-07-20 13:04:07,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:04:07,559 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2020-07-20 13:04:07,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:07,560 INFO L225 Difference]: With dead ends: 1458 [2020-07-20 13:04:07,560 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:04:07,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:04:07,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:04:07,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:04:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:04:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:04:07,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2020-07-20 13:04:07,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:07,565 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:04:07,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:04:07,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:04:07,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:07,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:04:09,621 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 13:04:09,968 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2020-07-20 13:04:10,257 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2020-07-20 13:04:10,679 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2020-07-20 13:04:11,722 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2020-07-20 13:04:11,764 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 659 714) no Hoare annotation was computed. [2020-07-20 13:04:11,764 INFO L268 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-07-20 13:04:11,764 INFO L268 CegarLoopResult]: For program point L690-1(lines 690 694) no Hoare annotation was computed. [2020-07-20 13:04:11,764 INFO L268 CegarLoopResult]: For program point L685(line 685) no Hoare annotation was computed. [2020-07-20 13:04:11,764 INFO L268 CegarLoopResult]: For program point L684-2(lines 684 705) no Hoare annotation was computed. [2020-07-20 13:04:11,765 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 659 714) no Hoare annotation was computed. [2020-07-20 13:04:11,765 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 659 714) no Hoare annotation was computed. [2020-07-20 13:04:11,765 INFO L268 CegarLoopResult]: For program point L706(lines 683 707) no Hoare annotation was computed. [2020-07-20 13:04:11,765 INFO L268 CegarLoopResult]: For program point L767(lines 740 768) no Hoare annotation was computed. [2020-07-20 13:04:11,765 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-20 13:04:11,765 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-20 13:04:11,765 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 715 774) no Hoare annotation was computed. [2020-07-20 13:04:11,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 715 774) no Hoare annotation was computed. [2020-07-20 13:04:11,766 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-07-20 13:04:11,766 INFO L268 CegarLoopResult]: For program point L747-1(lines 747 751) no Hoare annotation was computed. [2020-07-20 13:04:11,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 715 774) no Hoare annotation was computed. [2020-07-20 13:04:11,766 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-07-20 13:04:11,766 INFO L268 CegarLoopResult]: For program point L741-2(lines 741 766) no Hoare annotation was computed. [2020-07-20 13:04:11,766 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 299 305) the Hoare annotation is: true [2020-07-20 13:04:11,766 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 299 305) no Hoare annotation was computed. [2020-07-20 13:04:11,766 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 306 314) no Hoare annotation was computed. [2020-07-20 13:04:11,766 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 306 314) the Hoare annotation is: true [2020-07-20 13:04:11,767 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 306 314) no Hoare annotation was computed. [2020-07-20 13:04:11,767 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-20 13:04:11,767 INFO L268 CegarLoopResult]: For program point L159(lines 159 165) no Hoare annotation was computed. [2020-07-20 13:04:11,767 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 147 171) the Hoare annotation is: true [2020-07-20 13:04:11,767 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-20 13:04:11,767 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-20 13:04:11,767 INFO L268 CegarLoopResult]: For program point L155(lines 155 168) no Hoare annotation was computed. [2020-07-20 13:04:11,767 INFO L268 CegarLoopResult]: For program point L155-1(lines 147 171) no Hoare annotation was computed. [2020-07-20 13:04:11,768 INFO L271 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: true [2020-07-20 13:04:11,768 INFO L268 CegarLoopResult]: For program point L153-1(line 153) no Hoare annotation was computed. [2020-07-20 13:04:11,768 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 147 171) no Hoare annotation was computed. [2020-07-20 13:04:11,768 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-20 13:04:11,768 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-20 13:04:11,768 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:11,768 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:11,769 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:11,769 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:11,769 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-20 13:04:11,769 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-20 13:04:11,769 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:11,769 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:11,770 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-20 13:04:11,770 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 13:04:11,770 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 13:04:11,770 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 13:04:11,770 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 13:04:11,770 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 13:04:11,770 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 13:04:11,770 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 13:04:11,770 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 13:04:11,770 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 13:04:11,771 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 13:04:11,771 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 13:04:11,771 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 13:04:11,771 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 13:04:11,771 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 13:04:11,771 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 13:04:11,771 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 13:04:11,771 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 13:04:11,771 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 515 529) no Hoare annotation was computed. [2020-07-20 13:04:11,771 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-20 13:04:11,771 INFO L268 CegarLoopResult]: For program point L519(lines 519 525) no Hoare annotation was computed. [2020-07-20 13:04:11,772 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 515 529) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 13:04:11,772 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 515 529) no Hoare annotation was computed. [2020-07-20 13:04:11,772 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 432 440) no Hoare annotation was computed. [2020-07-20 13:04:11,772 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 432 440) the Hoare annotation is: true [2020-07-20 13:04:11,772 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 432 440) no Hoare annotation was computed. [2020-07-20 13:04:11,772 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 496 514) the Hoare annotation is: true [2020-07-20 13:04:11,772 INFO L268 CegarLoopResult]: For program point L505(lines 505 509) no Hoare annotation was computed. [2020-07-20 13:04:11,772 INFO L271 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: true [2020-07-20 13:04:11,772 INFO L268 CegarLoopResult]: For program point L505-2(lines 505 509) no Hoare annotation was computed. [2020-07-20 13:04:11,772 INFO L268 CegarLoopResult]: For program point L503-1(line 503) no Hoare annotation was computed. [2020-07-20 13:04:11,772 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 496 514) no Hoare annotation was computed. [2020-07-20 13:04:11,772 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 496 514) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point L448(lines 448 456) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point L448-2(lines 448 456) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point L471-1(line 471) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 441 476) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point L460(lines 460 468) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point L460-2(lines 460 468) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 441 476) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 441 476) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 292 298) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 292 298) the Hoare annotation is: true [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 613 658) no Hoare annotation was computed. [2020-07-20 13:04:11,773 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 613 658) no Hoare annotation was computed. [2020-07-20 13:04:11,774 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 613 658) no Hoare annotation was computed. [2020-07-20 13:04:11,774 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 926 971) no Hoare annotation was computed. [2020-07-20 13:04:11,774 INFO L268 CegarLoopResult]: For program point L946(lines 946 953) no Hoare annotation was computed. [2020-07-20 13:04:11,774 INFO L268 CegarLoopResult]: For program point L940(lines 940 960) no Hoare annotation was computed. [2020-07-20 13:04:11,774 INFO L268 CegarLoopResult]: For program point L940-1(lines 940 960) no Hoare annotation was computed. [2020-07-20 13:04:11,774 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 926 971) no Hoare annotation was computed. [2020-07-20 13:04:11,774 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 926 971) no Hoare annotation was computed. [2020-07-20 13:04:11,774 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:11,774 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 421 431) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 421 431) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L268 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L268 CegarLoopResult]: For program point L426-1(line 426) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 421 431) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 413 420) the Hoare annotation is: true [2020-07-20 13:04:11,775 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 413 420) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 413 420) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 257 270) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L268 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-07-20 13:04:11,775 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 257 270) the Hoare annotation is: true [2020-07-20 13:04:11,776 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 257 270) no Hoare annotation was computed. [2020-07-20 13:04:11,776 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-20 13:04:11,776 INFO L268 CegarLoopResult]: For program point L384(lines 384 401) no Hoare annotation was computed. [2020-07-20 13:04:11,776 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 380 404) no Hoare annotation was computed. [2020-07-20 13:04:11,776 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 380 404) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:04:11,776 INFO L264 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-20 13:04:11,776 INFO L268 CegarLoopResult]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2020-07-20 13:04:11,776 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:04:11,776 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (<= 1 processEnvironment_~tmp~3)))) [2020-07-20 13:04:11,776 INFO L268 CegarLoopResult]: For program point L388(lines 388 396) no Hoare annotation was computed. [2020-07-20 13:04:11,776 INFO L264 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:04:11,777 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2020-07-20 13:04:11,777 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2020-07-20 13:04:11,777 INFO L264 CegarLoopResult]: At program point testENTRY(lines 531 596) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:11,777 INFO L268 CegarLoopResult]: For program point L543(lines 543 547) no Hoare annotation was computed. [2020-07-20 13:04:11,777 INFO L268 CegarLoopResult]: For program point testFINAL(lines 531 596) no Hoare annotation was computed. [2020-07-20 13:04:11,777 INFO L264 CegarLoopResult]: At program point L589(lines 540 590) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:11,777 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:11,777 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-20 13:04:11,777 INFO L264 CegarLoopResult]: At program point L577-1(lines 571 584) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:04:11,778 INFO L268 CegarLoopResult]: For program point L542(lines 541 588) no Hoare annotation was computed. [2020-07-20 13:04:11,778 INFO L268 CegarLoopResult]: For program point L571(lines 571 584) no Hoare annotation was computed. [2020-07-20 13:04:11,778 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:04:11,778 INFO L268 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-07-20 13:04:11,778 INFO L268 CegarLoopResult]: For program point L561-1(lines 561 567) no Hoare annotation was computed. [2020-07-20 13:04:11,778 INFO L264 CegarLoopResult]: At program point L586(lines 541 588) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:04:11,778 INFO L264 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:04:11,778 INFO L268 CegarLoopResult]: For program point L551(lines 551 557) no Hoare annotation was computed. [2020-07-20 13:04:11,778 INFO L268 CegarLoopResult]: For program point L551-1(lines 551 557) no Hoare annotation was computed. [2020-07-20 13:04:11,778 INFO L268 CegarLoopResult]: For program point testEXIT(lines 531 596) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point L894(lines 894 914) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point L894-1(lines 894 914) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 880 925) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 880 925) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 880 925) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 271 279) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 271 279) the Hoare annotation is: true [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 271 279) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point L233(lines 233 241) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 225 247) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point L233-2(lines 233 241) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 225 247) no Hoare annotation was computed. [2020-07-20 13:04:11,779 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 225 247) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 282 291) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 282 291) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 282 291) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point L865(lines 865 876) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 777 879) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point L826-2(lines 826 846) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point L847(lines 825 848) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point L806(lines 806 822) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 777 879) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point L866(lines 866 873) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point L827(lines 826 846) no Hoare annotation was computed. [2020-07-20 13:04:11,780 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-20 13:04:11,781 INFO L268 CegarLoopResult]: For program point L858-1(line 858) no Hoare annotation was computed. [2020-07-20 13:04:11,781 INFO L268 CegarLoopResult]: For program point L823(lines 823 864) no Hoare annotation was computed. [2020-07-20 13:04:11,781 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 777 879) no Hoare annotation was computed. [2020-07-20 13:04:11,781 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-20 13:04:11,781 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-07-20 13:04:11,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:11,781 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 13:04:11,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:11,781 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 405 412) no Hoare annotation was computed. [2020-07-20 13:04:11,781 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 405 412) no Hoare annotation was computed. [2020-07-20 13:04:11,782 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 405 412) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:04:11,782 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 248 256) the Hoare annotation is: true [2020-07-20 13:04:11,782 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 248 256) no Hoare annotation was computed. [2020-07-20 13:04:11,782 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 248 256) no Hoare annotation was computed. [2020-07-20 13:04:11,782 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 477 495) no Hoare annotation was computed. [2020-07-20 13:04:11,782 INFO L268 CegarLoopResult]: For program point L486(lines 486 490) no Hoare annotation was computed. [2020-07-20 13:04:11,782 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 477 495) the Hoare annotation is: true [2020-07-20 13:04:11,782 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 477 495) no Hoare annotation was computed. [2020-07-20 13:04:11,782 INFO L271 CegarLoopResult]: At program point L484(line 484) the Hoare annotation is: true [2020-07-20 13:04:11,782 INFO L268 CegarLoopResult]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2020-07-20 13:04:11,782 INFO L268 CegarLoopResult]: For program point L484-1(line 484) no Hoare annotation was computed. [2020-07-20 13:04:11,782 INFO L268 CegarLoopResult]: For program point L208-1(lines 204 215) no Hoare annotation was computed. [2020-07-20 13:04:11,782 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 204 215) the Hoare annotation is: true [2020-07-20 13:04:11,783 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 204 215) no Hoare annotation was computed. [2020-07-20 13:04:11,783 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:11,783 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:04:11,783 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:11,783 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 322 345) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (and .cse5 (<= ~waterLevel~0 1) .cse3)) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse6 .cse0 .cse7 .cse4 .cse9) (or (and .cse2 .cse5 .cse3) .cse8 .cse4 .cse1)))) [2020-07-20 13:04:11,783 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 (<= ~waterLevel~0 1) .cse2) .cse3 .cse5) (or (not (= 0 ~systemActive~0)) .cse3 .cse5))) [2020-07-20 13:04:11,783 INFO L264 CegarLoopResult]: At program point L333(lines 333 339) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and .cse5 (<= ~waterLevel~0 1) .cse6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~systemActive~0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse2 .cse7) (or .cse8 (and .cse9 .cse4 .cse6) .cse0 .cse2 .cse3) (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse8 (and .cse9 .cse4 .cse10) (and .cse4 .cse10 .cse5) .cse7))))) [2020-07-20 13:04:11,784 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 322 345) no Hoare annotation was computed. [2020-07-20 13:04:11,784 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 13:04:11,784 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 322 345) no Hoare annotation was computed. [2020-07-20 13:04:11,784 INFO L268 CegarLoopResult]: For program point L326(lines 325 344) no Hoare annotation was computed. [2020-07-20 13:04:11,784 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 13:04:11,784 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 13:04:11,784 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 13:04:11,784 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 13:04:11,784 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 13:04:11,784 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 13:04:11,784 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 13:04:11,784 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 13:04:11,785 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 13:04:11,785 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 13:04:11,785 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 216 224) no Hoare annotation was computed. [2020-07-20 13:04:11,785 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 216 224) no Hoare annotation was computed. [2020-07-20 13:04:11,785 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 216 224) no Hoare annotation was computed. [2020-07-20 13:04:11,785 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 180 191) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 13:04:11,785 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 180 191) no Hoare annotation was computed. [2020-07-20 13:04:11,785 INFO L268 CegarLoopResult]: For program point L184-1(lines 180 191) no Hoare annotation was computed. [2020-07-20 13:04:11,785 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 13:04:11,786 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 13:04:11,786 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:11,786 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:04:11,786 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:04:11,786 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:11,786 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:04:11,786 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2020-07-20 13:04:11,786 INFO L264 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:04:11,786 INFO L268 CegarLoopResult]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2020-07-20 13:04:11,786 INFO L264 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:04:11,787 INFO L264 CegarLoopResult]: At program point L364(line 364) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))))) [2020-07-20 13:04:11,787 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-20 13:04:11,787 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:04:11,787 INFO L268 CegarLoopResult]: For program point L360-1(line 360) no Hoare annotation was computed. [2020-07-20 13:04:11,787 INFO L268 CegarLoopResult]: For program point L358(lines 358 375) no Hoare annotation was computed. [2020-07-20 13:04:11,787 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 192 203) no Hoare annotation was computed. [2020-07-20 13:04:11,787 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 192 203) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and (<= ~waterLevel~0 1) .cse3) .cse4 .cse5) (or .cse2 .cse6 .cse4 .cse5) (or .cse6 (<= 1 ~waterLevel~0) .cse4 .cse5) (or .cse6 .cse4 .cse1 .cse3))) [2020-07-20 13:04:11,787 INFO L268 CegarLoopResult]: For program point L196-1(lines 192 203) no Hoare annotation was computed. [2020-07-20 13:04:11,787 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 598 605) no Hoare annotation was computed. [2020-07-20 13:04:11,787 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2020-07-20 13:04:11,788 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 598 605) the Hoare annotation is: true [2020-07-20 13:04:11,788 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 598 605) no Hoare annotation was computed. [2020-07-20 13:04:11,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:04:11 BoogieIcfgContainer [2020-07-20 13:04:11,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:04:11,806 INFO L168 Benchmark]: Toolchain (without parser) took 20404.32 ms. Allocated memory was 136.8 MB in the beginning and 449.8 MB in the end (delta: 313.0 MB). Free memory was 100.6 MB in the beginning and 121.9 MB in the end (delta: -21.3 MB). Peak memory consumption was 292.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:11,807 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:04:11,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.16 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 167.7 MB in the end (delta: -67.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:11,809 INFO L168 Benchmark]: Boogie Preprocessor took 90.18 ms. Allocated memory is still 200.3 MB. Free memory was 167.7 MB in the beginning and 163.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:11,811 INFO L168 Benchmark]: RCFGBuilder took 1219.18 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 163.4 MB in the beginning and 193.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:11,811 INFO L168 Benchmark]: TraceAbstraction took 18364.11 ms. Allocated memory was 229.6 MB in the beginning and 449.8 MB in the end (delta: 220.2 MB). Free memory was 191.6 MB in the beginning and 121.9 MB in the end (delta: 69.8 MB). Peak memory consumption was 290.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:11,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 725.16 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 167.7 MB in the end (delta: -67.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.18 ms. Allocated memory is still 200.3 MB. Free memory was 167.7 MB in the beginning and 163.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.18 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 163.4 MB in the beginning and 193.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18364.11 ms. Allocated memory was 229.6 MB in the beginning and 449.8 MB in the end (delta: 220.2 MB). Free memory was 191.6 MB in the beginning and 121.9 MB in the end (delta: 69.8 MB). Peak memory consumption was 290.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 602]: 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: 540]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || (((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && 1 <= waterLevel) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2055 SDtfs, 1644 SDslu, 3358 SDs, 0 SdLazy, 3074 SolverSat, 883 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1605 GetRequests, 1523 SyntacticMatches, 7 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1143occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 485 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2041 PreInvPairs, 2140 NumberOfFragments, 1317 HoareAnnotationTreeSize, 2041 FomulaSimplifications, 4372 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 6231 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1260 NumberOfCodeBlocks, 982 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1563 ConstructedInterpolants, 0 QuantifiedInterpolants, 345409 SizeOfPredicates, 41 NumberOfNonLiveVariables, 8832 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 378/430 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...