/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:40:48,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:40:48,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:40:48,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:40:48,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:40:48,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:40:48,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:40:48,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:40:48,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:40:48,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:40:48,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:40:48,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:40:48,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:40:48,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:40:48,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:40:48,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:40:48,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:40:48,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:40:48,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:40:48,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:40:48,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:40:48,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:40:48,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:40:48,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:40:48,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:40:48,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:40:48,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:40:48,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:40:48,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:40:48,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:40:48,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:40:48,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:40:48,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:40:48,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:40:48,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:40:48,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:40:48,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:40:48,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:40:48,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:40:48,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:40:48,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:40:48,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 15:40:48,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:40:48,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:40:48,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:40:48,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:40:48,855 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:40:48,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:40:48,856 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:40:48,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:40:48,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:40:48,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:40:48,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:40:48,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:40:48,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:40:48,857 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:40:48,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:40:48,857 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:40:48,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:40:48,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:40:48,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:40:48,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:40:48,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:40:48,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:48,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:40:48,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:40:48,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:40:48,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:40:48,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:48,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:40:48,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:40:48,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:40:49,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:40:49,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:40:49,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:40:49,180 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:40:49,180 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:40:49,182 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-07-21 15:40:49,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d20035d1/2722fcaf99fa4d658fccb998afef7448/FLAG4c4bc5fc8 [2020-07-21 15:40:49,848 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:40:49,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-07-21 15:40:49,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d20035d1/2722fcaf99fa4d658fccb998afef7448/FLAG4c4bc5fc8 [2020-07-21 15:40:50,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d20035d1/2722fcaf99fa4d658fccb998afef7448 [2020-07-21 15:40:50,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:40:50,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:40:50,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:50,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:40:50,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:40:50,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ce081f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50, skipping insertion in model container [2020-07-21 15:40:50,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:40:50,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:40:50,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:50,708 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:40:50,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:50,831 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:40:50,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50 WrapperNode [2020-07-21 15:40:50,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:50,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:40:50,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:40:50,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:40:50,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... [2020-07-21 15:40:50,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:40:50,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:40:50,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:40:50,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:40:50,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:40:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:40:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:40:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:40:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:40:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:40:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:40:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:40:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:40:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:40:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:40:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:40:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:40:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:40:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 15:40:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:40:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:40:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:40:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:40:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:40:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:40:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:40:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:40:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:40:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:40:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:40:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:40:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:40:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:40:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:40:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:40:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:40:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:40:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:40:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:40:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:40:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:40:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:40:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:40:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:40:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:40:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:40:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:40:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:40:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:40:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:40:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:40:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:40:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:40:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:40:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:40:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:40:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:40:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:40:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:40:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:40:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:40:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:40:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:40:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:40:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:40:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:40:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:40:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:40:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:40:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:40:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:40:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:40:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:40:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:40:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:40:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:40:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:40:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:40:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:40:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:40:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:40:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:40:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:40:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:40:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:40:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 15:40:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:40:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:40:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:40:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:40:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:40:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:40:52,201 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:40:52,202 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:40:52,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:52 BoogieIcfgContainer [2020-07-21 15:40:52,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:40:52,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:40:52,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:40:52,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:40:52,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:40:50" (1/3) ... [2020-07-21 15:40:52,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba95087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:52, skipping insertion in model container [2020-07-21 15:40:52,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:50" (2/3) ... [2020-07-21 15:40:52,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba95087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:52, skipping insertion in model container [2020-07-21 15:40:52,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:52" (3/3) ... [2020-07-21 15:40:52,221 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2020-07-21 15:40:52,231 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:40:52,240 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:40:52,256 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:40:52,289 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:40:52,290 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:40:52,291 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:40:52,291 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:40:52,291 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:40:52,292 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:40:52,292 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:40:52,293 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:40:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2020-07-21 15:40:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 15:40:52,327 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:52,328 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] [2020-07-21 15:40:52,329 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:52,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:52,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1445624956, now seen corresponding path program 1 times [2020-07-21 15:40:52,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:52,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824363499] [2020-07-21 15:40:52,349 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:52,858 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:52,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:52,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:40:52,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:52,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:52,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824363499] [2020-07-21 15:40:52,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:52,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:40:52,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839438053] [2020-07-21 15:40:52,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:40:52,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:52,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:40:52,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:52,930 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2020-07-21 15:40:52,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:52,976 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2020-07-21 15:40:52,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:40:52,977 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 15:40:52,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:52,991 INFO L225 Difference]: With dead ends: 300 [2020-07-21 15:40:52,992 INFO L226 Difference]: Without dead ends: 152 [2020-07-21 15:40:52,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:53,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-07-21 15:40:53,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2020-07-21 15:40:53,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-21 15:40:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2020-07-21 15:40:53,079 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2020-07-21 15:40:53,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:53,080 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2020-07-21 15:40:53,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:40:53,080 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2020-07-21 15:40:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:40:53,089 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:53,089 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] [2020-07-21 15:40:53,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:53,304 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:53,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:53,305 INFO L82 PathProgramCache]: Analyzing trace with hash 313505704, now seen corresponding path program 1 times [2020-07-21 15:40:53,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:53,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931264406] [2020-07-21 15:40:53,307 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:53,732 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:53,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:53,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:40:53,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:53,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:53,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931264406] [2020-07-21 15:40:53,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:53,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:53,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779464548] [2020-07-21 15:40:53,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:53,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:53,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:53,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:53,792 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2020-07-21 15:40:53,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:53,839 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2020-07-21 15:40:53,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:53,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:40:53,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:53,846 INFO L225 Difference]: With dead ends: 245 [2020-07-21 15:40:53,846 INFO L226 Difference]: Without dead ends: 143 [2020-07-21 15:40:53,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:53,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-21 15:40:53,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-21 15:40:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-21 15:40:53,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-07-21 15:40:53,883 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2020-07-21 15:40:53,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:53,885 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-07-21 15:40:53,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:53,885 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-07-21 15:40:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 15:40:53,893 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:53,893 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] [2020-07-21 15:40:54,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:54,094 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:54,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:54,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1935207340, now seen corresponding path program 1 times [2020-07-21 15:40:54,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:54,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134897165] [2020-07-21 15:40:54,096 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:54,456 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:54,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:54,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:40:54,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:54,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:54,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:54,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134897165] [2020-07-21 15:40:54,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:54,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:54,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901601521] [2020-07-21 15:40:54,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:54,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:54,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:54,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:54,513 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2020-07-21 15:40:54,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:54,544 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2020-07-21 15:40:54,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:54,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 15:40:54,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:54,548 INFO L225 Difference]: With dead ends: 258 [2020-07-21 15:40:54,548 INFO L226 Difference]: Without dead ends: 143 [2020-07-21 15:40:54,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:54,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-21 15:40:54,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-21 15:40:54,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-21 15:40:54,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2020-07-21 15:40:54,565 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2020-07-21 15:40:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:54,566 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2020-07-21 15:40:54,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2020-07-21 15:40:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-21 15:40:54,568 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:54,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:54,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:54,782 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:54,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:54,783 INFO L82 PathProgramCache]: Analyzing trace with hash 979214064, now seen corresponding path program 1 times [2020-07-21 15:40:54,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:54,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838899602] [2020-07-21 15:40:54,785 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:55,126 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:55,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:55,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:40:55,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:55,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:55,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:55,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838899602] [2020-07-21 15:40:55,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:55,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:55,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126352867] [2020-07-21 15:40:55,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:55,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:55,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:55,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:55,162 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 3 states. [2020-07-21 15:40:55,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:55,210 INFO L93 Difference]: Finished difference Result 258 states and 310 transitions. [2020-07-21 15:40:55,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:55,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-21 15:40:55,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:55,215 INFO L225 Difference]: With dead ends: 258 [2020-07-21 15:40:55,215 INFO L226 Difference]: Without dead ends: 255 [2020-07-21 15:40:55,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:55,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-21 15:40:55,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2020-07-21 15:40:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-07-21 15:40:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 307 transitions. [2020-07-21 15:40:55,247 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 307 transitions. Word has length 75 [2020-07-21 15:40:55,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:55,248 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 307 transitions. [2020-07-21 15:40:55,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:55,248 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 307 transitions. [2020-07-21 15:40:55,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-21 15:40:55,250 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:55,251 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:40:55,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:55,466 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:55,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:55,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1916601061, now seen corresponding path program 1 times [2020-07-21 15:40:55,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:55,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655140286] [2020-07-21 15:40:55,467 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:55,802 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:55,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:55,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:40:55,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:55,866 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-21 15:40:55,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:55,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655140286] [2020-07-21 15:40:55,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:55,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 15:40:55,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747852480] [2020-07-21 15:40:55,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 15:40:55,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:55,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 15:40:55,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:40:55,869 INFO L87 Difference]: Start difference. First operand 255 states and 307 transitions. Second operand 7 states. [2020-07-21 15:40:56,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:56,694 INFO L93 Difference]: Finished difference Result 616 states and 795 transitions. [2020-07-21 15:40:56,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 15:40:56,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-07-21 15:40:56,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:56,701 INFO L225 Difference]: With dead ends: 616 [2020-07-21 15:40:56,701 INFO L226 Difference]: Without dead ends: 389 [2020-07-21 15:40:56,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 15:40:56,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-07-21 15:40:56,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2020-07-21 15:40:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-07-21 15:40:56,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 434 transitions. [2020-07-21 15:40:56,738 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 434 transitions. Word has length 124 [2020-07-21 15:40:56,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:56,739 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 434 transitions. [2020-07-21 15:40:56,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 15:40:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 434 transitions. [2020-07-21 15:40:56,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-21 15:40:56,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:56,742 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:40:56,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:56,956 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:56,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:56,957 INFO L82 PathProgramCache]: Analyzing trace with hash -119933091, now seen corresponding path program 1 times [2020-07-21 15:40:56,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:56,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087754632] [2020-07-21 15:40:56,958 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:57,297 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:57,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:57,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 15:40:57,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 15:40:57,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:40:57,614 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:40:57,651 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:40:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-07-21 15:40:57,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087754632] [2020-07-21 15:40:57,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 15:40:57,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-21 15:40:57,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650715167] [2020-07-21 15:40:57,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:40:57,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:57,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:40:57,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:40:57,793 INFO L87 Difference]: Start difference. First operand 357 states and 434 transitions. Second operand 5 states. [2020-07-21 15:40:58,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:58,365 INFO L93 Difference]: Finished difference Result 948 states and 1255 transitions. [2020-07-21 15:40:58,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:40:58,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-07-21 15:40:58,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:58,371 INFO L225 Difference]: With dead ends: 948 [2020-07-21 15:40:58,371 INFO L226 Difference]: Without dead ends: 619 [2020-07-21 15:40:58,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 303 SyntacticMatches, 7 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:40:58,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-07-21 15:40:58,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 598. [2020-07-21 15:40:58,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-07-21 15:40:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 791 transitions. [2020-07-21 15:40:58,427 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 791 transitions. Word has length 158 [2020-07-21 15:40:58,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:58,428 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 791 transitions. [2020-07-21 15:40:58,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:40:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 791 transitions. [2020-07-21 15:40:58,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-21 15:40:58,431 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:58,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:40:58,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:58,645 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:58,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:58,646 INFO L82 PathProgramCache]: Analyzing trace with hash -666186336, now seen corresponding path program 1 times [2020-07-21 15:40:58,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:58,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205998831] [2020-07-21 15:40:58,647 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:58,862 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:40:58,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:58,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:40:58,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-21 15:40:58,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:58,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205998831] [2020-07-21 15:40:58,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:58,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:40:58,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466644024] [2020-07-21 15:40:58,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:40:58,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:58,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:40:58,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:40:58,908 INFO L87 Difference]: Start difference. First operand 598 states and 791 transitions. Second operand 5 states. [2020-07-21 15:40:58,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:58,956 INFO L93 Difference]: Finished difference Result 1188 states and 1644 transitions. [2020-07-21 15:40:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:40:58,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-07-21 15:40:58,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:58,963 INFO L225 Difference]: With dead ends: 1188 [2020-07-21 15:40:58,963 INFO L226 Difference]: Without dead ends: 618 [2020-07-21 15:40:58,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:40:58,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-07-21 15:40:59,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 612. [2020-07-21 15:40:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-07-21 15:40:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 805 transitions. [2020-07-21 15:40:59,013 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 805 transitions. Word has length 158 [2020-07-21 15:40:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:59,014 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 805 transitions. [2020-07-21 15:40:59,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:40:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 805 transitions. [2020-07-21 15:40:59,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-21 15:40:59,018 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:59,019 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:59,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:59,233 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:59,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:59,233 INFO L82 PathProgramCache]: Analyzing trace with hash 977459558, now seen corresponding path program 1 times [2020-07-21 15:40:59,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:59,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819490089] [2020-07-21 15:40:59,234 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:59,512 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:59,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:59,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:40:59,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 15:40:59,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:40:59,856 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:40:59,880 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:40:59,955 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-21 15:40:59,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819490089] [2020-07-21 15:40:59,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 15:40:59,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2020-07-21 15:40:59,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354461384] [2020-07-21 15:40:59,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 15:40:59,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:59,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 15:40:59,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:40:59,958 INFO L87 Difference]: Start difference. First operand 612 states and 805 transitions. Second operand 7 states. [2020-07-21 15:41:00,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:00,448 INFO L93 Difference]: Finished difference Result 1555 states and 2220 transitions. [2020-07-21 15:41:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:41:00,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-07-21 15:41:00,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:00,460 INFO L225 Difference]: With dead ends: 1555 [2020-07-21 15:41:00,460 INFO L226 Difference]: Without dead ends: 971 [2020-07-21 15:41:00,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 323 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-07-21 15:41:00,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2020-07-21 15:41:00,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 950. [2020-07-21 15:41:00,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2020-07-21 15:41:00,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1270 transitions. [2020-07-21 15:41:00,569 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1270 transitions. Word has length 169 [2020-07-21 15:41:00,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:00,572 INFO L479 AbstractCegarLoop]: Abstraction has 950 states and 1270 transitions. [2020-07-21 15:41:00,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 15:41:00,573 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1270 transitions. [2020-07-21 15:41:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-21 15:41:00,577 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:00,578 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:00,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:00,792 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:00,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:00,792 INFO L82 PathProgramCache]: Analyzing trace with hash 19236045, now seen corresponding path program 1 times [2020-07-21 15:41:00,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:00,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067578744] [2020-07-21 15:41:00,793 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:01,005 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:41:01,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:01,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 15:41:01,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:01,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:01,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067578744] [2020-07-21 15:41:01,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:01,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 15:41:01,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824879034] [2020-07-21 15:41:01,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 15:41:01,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:01,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 15:41:01,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:41:01,079 INFO L87 Difference]: Start difference. First operand 950 states and 1270 transitions. Second operand 8 states. [2020-07-21 15:41:02,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:02,604 INFO L93 Difference]: Finished difference Result 2740 states and 3783 transitions. [2020-07-21 15:41:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 15:41:02,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-07-21 15:41:02,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:02,616 INFO L225 Difference]: With dead ends: 2740 [2020-07-21 15:41:02,616 INFO L226 Difference]: Without dead ends: 1818 [2020-07-21 15:41:02,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-21 15:41:02,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2020-07-21 15:41:02,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1485. [2020-07-21 15:41:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2020-07-21 15:41:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1925 transitions. [2020-07-21 15:41:02,729 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1925 transitions. Word has length 162 [2020-07-21 15:41:02,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:02,730 INFO L479 AbstractCegarLoop]: Abstraction has 1485 states and 1925 transitions. [2020-07-21 15:41:02,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 15:41:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1925 transitions. [2020-07-21 15:41:02,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 15:41:02,736 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:02,736 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 15:41:02,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:02,951 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:02,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:02,952 INFO L82 PathProgramCache]: Analyzing trace with hash -382773415, now seen corresponding path program 1 times [2020-07-21 15:41:02,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:02,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007999027] [2020-07-21 15:41:02,953 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:03,461 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:03,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:03,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 15:41:03,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:03,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:03,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007999027] [2020-07-21 15:41:03,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:03,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:41:03,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454806732] [2020-07-21 15:41:03,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:41:03,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:03,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:41:03,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:03,508 INFO L87 Difference]: Start difference. First operand 1485 states and 1925 transitions. Second operand 3 states. [2020-07-21 15:41:03,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:03,645 INFO L93 Difference]: Finished difference Result 2702 states and 3576 transitions. [2020-07-21 15:41:03,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:41:03,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-07-21 15:41:03,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:03,658 INFO L225 Difference]: With dead ends: 2702 [2020-07-21 15:41:03,658 INFO L226 Difference]: Without dead ends: 1245 [2020-07-21 15:41:03,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:41:03,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2020-07-21 15:41:03,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1074. [2020-07-21 15:41:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1074 states. [2020-07-21 15:41:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1282 transitions. [2020-07-21 15:41:03,740 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1282 transitions. Word has length 154 [2020-07-21 15:41:03,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:03,741 INFO L479 AbstractCegarLoop]: Abstraction has 1074 states and 1282 transitions. [2020-07-21 15:41:03,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:41:03,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1282 transitions. [2020-07-21 15:41:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-21 15:41:03,745 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:03,745 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:03,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:03,960 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:03,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:03,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1386376622, now seen corresponding path program 1 times [2020-07-21 15:41:03,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:03,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931727243] [2020-07-21 15:41:03,962 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:41:04,239 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:04,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:04,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 15:41:04,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-21 15:41:04,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:04,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931727243] [2020-07-21 15:41:04,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:04,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-21 15:41:04,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230262994] [2020-07-21 15:41:04,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 15:41:04,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:04,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 15:41:04,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-21 15:41:04,344 INFO L87 Difference]: Start difference. First operand 1074 states and 1282 transitions. Second operand 11 states. [2020-07-21 15:41:05,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:05,033 INFO L93 Difference]: Finished difference Result 2683 states and 3363 transitions. [2020-07-21 15:41:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 15:41:05,034 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2020-07-21 15:41:05,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:05,035 INFO L225 Difference]: With dead ends: 2683 [2020-07-21 15:41:05,035 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:41:05,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-21 15:41:05,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:41:05,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:41:05,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:41:05,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:41:05,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-07-21 15:41:05,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:05,044 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:41:05,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 15:41:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:41:05,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:41:05,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:05,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:41:07,628 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2020-07-21 15:41:07,849 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 25 [2020-07-21 15:41:08,898 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 135 DAG size of output: 48 [2020-07-21 15:41:09,011 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 1 [2020-07-21 15:41:09,336 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 28 [2020-07-21 15:41:09,596 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-07-21 15:41:09,903 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2020-07-21 15:41:10,118 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 27 [2020-07-21 15:41:10,732 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-07-21 15:41:11,088 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 34 [2020-07-21 15:41:11,693 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 39 [2020-07-21 15:41:11,924 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-07-21 15:41:12,304 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 27 [2020-07-21 15:41:12,515 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 18 [2020-07-21 15:41:13,099 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 37 [2020-07-21 15:41:13,211 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 18 [2020-07-21 15:41:13,414 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 27 [2020-07-21 15:41:13,709 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 31 [2020-07-21 15:41:13,949 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 28 [2020-07-21 15:41:14,647 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 44 [2020-07-21 15:41:14,907 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 31 [2020-07-21 15:41:15,263 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 23 [2020-07-21 15:41:15,511 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2020-07-21 15:41:15,888 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2020-07-21 15:41:16,248 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2020-07-21 15:41:16,480 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-07-21 15:41:16,704 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2020-07-21 15:41:16,856 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2020-07-21 15:41:17,339 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2020-07-21 15:41:17,551 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 24 [2020-07-21 15:41:17,754 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 18 [2020-07-21 15:41:17,758 INFO L268 CegarLoopResult]: For program point L287(lines 264 288) no Hoare annotation was computed. [2020-07-21 15:41:17,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 240 295) no Hoare annotation was computed. [2020-07-21 15:41:17,759 INFO L268 CegarLoopResult]: For program point L271(lines 271 275) no Hoare annotation was computed. [2020-07-21 15:41:17,759 INFO L268 CegarLoopResult]: For program point L271-1(lines 271 275) no Hoare annotation was computed. [2020-07-21 15:41:17,759 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-21 15:41:17,759 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 286) no Hoare annotation was computed. [2020-07-21 15:41:17,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 240 295) no Hoare annotation was computed. [2020-07-21 15:41:17,760 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 240 295) no Hoare annotation was computed. [2020-07-21 15:41:17,760 INFO L268 CegarLoopResult]: For program point L322-2(lines 322 347) no Hoare annotation was computed. [2020-07-21 15:41:17,760 INFO L268 CegarLoopResult]: For program point L348(lines 321 349) no Hoare annotation was computed. [2020-07-21 15:41:17,760 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 296 355) no Hoare annotation was computed. [2020-07-21 15:41:17,760 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-21 15:41:17,760 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-21 15:41:17,760 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 296 355) no Hoare annotation was computed. [2020-07-21 15:41:17,761 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 296 355) no Hoare annotation was computed. [2020-07-21 15:41:17,761 INFO L268 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-07-21 15:41:17,761 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 332) no Hoare annotation was computed. [2020-07-21 15:41:17,761 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-07-21 15:41:17,761 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2020-07-21 15:41:17,762 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2020-07-21 15:41:17,762 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2020-07-21 15:41:17,762 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2020-07-21 15:41:17,762 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2020-07-21 15:41:17,762 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:17,762 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:17,763 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:17,763 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:17,763 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-07-21 15:41:17,763 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-07-21 15:41:17,763 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:17,764 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:17,764 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-21 15:41:17,764 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-07-21 15:41:17,764 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 15:41:17,764 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 15:41:17,764 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 15:41:17,764 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 15:41:17,764 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 15:41:17,764 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 15:41:17,765 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 15:41:17,766 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 15:41:17,766 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2020-07-21 15:41:17,766 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2020-07-21 15:41:17,766 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2020-07-21 15:41:17,766 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2020-07-21 15:41:17,766 INFO L268 CegarLoopResult]: For program point L840(lines 840 844) no Hoare annotation was computed. [2020-07-21 15:41:17,766 INFO L271 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: true [2020-07-21 15:41:17,766 INFO L268 CegarLoopResult]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2020-07-21 15:41:17,766 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2020-07-21 15:41:17,766 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-21 15:41:17,766 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point L795(lines 795 803) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point L795-2(lines 795 803) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 776 811) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 776 811) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 776 811) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2020-07-21 15:41:17,767 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2020-07-21 15:41:17,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 194 239) no Hoare annotation was computed. [2020-07-21 15:41:17,768 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 194 239) no Hoare annotation was computed. [2020-07-21 15:41:17,768 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 194 239) no Hoare annotation was computed. [2020-07-21 15:41:17,768 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 507 552) no Hoare annotation was computed. [2020-07-21 15:41:17,768 INFO L268 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-07-21 15:41:17,768 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 507 552) no Hoare annotation was computed. [2020-07-21 15:41:17,768 INFO L268 CegarLoopResult]: For program point L521(lines 521 541) no Hoare annotation was computed. [2020-07-21 15:41:17,768 INFO L268 CegarLoopResult]: For program point L521-1(lines 521 541) no Hoare annotation was computed. [2020-07-21 15:41:17,768 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 507 552) no Hoare annotation was computed. [2020-07-21 15:41:17,768 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:17,768 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:17,768 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-07-21 15:41:17,769 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-07-21 15:41:17,769 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2020-07-21 15:41:17,769 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2020-07-21 15:41:17,769 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-07-21 15:41:17,769 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-21 15:41:17,769 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2020-07-21 15:41:17,769 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) [2020-07-21 15:41:17,770 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2020-07-21 15:41:17,770 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2020-07-21 15:41:17,770 INFO L268 CegarLoopResult]: For program point L943(lines 943 949) no Hoare annotation was computed. [2020-07-21 15:41:17,770 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2020-07-21 15:41:17,770 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2020-07-21 15:41:17,770 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2020-07-21 15:41:17,770 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,771 INFO L268 CegarLoopResult]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2020-07-21 15:41:17,771 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,771 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2020-07-21 15:41:17,771 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 15:41:17,771 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,771 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-07-21 15:41:17,772 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,772 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-07-21 15:41:17,772 INFO L268 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2020-07-21 15:41:17,772 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2020-07-21 15:41:17,772 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2020-07-21 15:41:17,772 INFO L264 CegarLoopResult]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:17,772 INFO L268 CegarLoopResult]: For program point L603(lines 603 607) no Hoare annotation was computed. [2020-07-21 15:41:17,773 INFO L264 CegarLoopResult]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0) .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:41:17,773 INFO L268 CegarLoopResult]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2020-07-21 15:41:17,773 INFO L268 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2020-07-21 15:41:17,773 INFO L264 CegarLoopResult]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0) .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:41:17,773 INFO L268 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2020-07-21 15:41:17,773 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0) .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:41:17,774 INFO L268 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2020-07-21 15:41:17,774 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2020-07-21 15:41:17,774 INFO L264 CegarLoopResult]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:41:17,774 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:41:17,774 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-07-21 15:41:17,774 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-07-21 15:41:17,775 INFO L268 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-07-21 15:41:17,775 INFO L264 CegarLoopResult]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:41:17,775 INFO L268 CegarLoopResult]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2020-07-21 15:41:17,775 INFO L268 CegarLoopResult]: For program point L481(lines 481 488) no Hoare annotation was computed. [2020-07-21 15:41:17,775 INFO L268 CegarLoopResult]: For program point L475(lines 475 495) no Hoare annotation was computed. [2020-07-21 15:41:17,775 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 495) no Hoare annotation was computed. [2020-07-21 15:41:17,775 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 461 506) no Hoare annotation was computed. [2020-07-21 15:41:17,775 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 461 506) no Hoare annotation was computed. [2020-07-21 15:41:17,775 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 461 506) no Hoare annotation was computed. [2020-07-21 15:41:17,776 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2020-07-21 15:41:17,776 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2020-07-21 15:41:17,776 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2020-07-21 15:41:17,776 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (< ~waterLevel~0 3)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 15:41:17,776 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< ~waterLevel~0 3)))) (and (or .cse0 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse2) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:17,776 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-21 15:41:17,776 INFO L268 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-07-21 15:41:17,777 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) .cse4) (or .cse0 .cse1 .cse3 (not (= 0 ~pumpRunning~0))) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse4))) [2020-07-21 15:41:17,777 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-21 15:41:17,777 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-07-21 15:41:17,777 INFO L268 CegarLoopResult]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2020-07-21 15:41:17,777 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (< ~waterLevel~0 3)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 15:41:17,777 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2020-07-21 15:41:17,777 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-07-21 15:41:17,777 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:41:17,778 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-07-21 15:41:17,778 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-07-21 15:41:17,778 INFO L268 CegarLoopResult]: For program point L915-2(lines 915 923) no Hoare annotation was computed. [2020-07-21 15:41:17,778 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 907 929) no Hoare annotation was computed. [2020-07-21 15:41:17,778 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 907 929) no Hoare annotation was computed. [2020-07-21 15:41:17,778 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 907 929) no Hoare annotation was computed. [2020-07-21 15:41:17,778 INFO L268 CegarLoopResult]: For program point L915(lines 915 923) no Hoare annotation was computed. [2020-07-21 15:41:17,778 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 358 460) no Hoare annotation was computed. [2020-07-21 15:41:17,778 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-21 15:41:17,778 INFO L268 CegarLoopResult]: For program point L446(lines 446 457) no Hoare annotation was computed. [2020-07-21 15:41:17,779 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 15:41:17,779 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 427) no Hoare annotation was computed. [2020-07-21 15:41:17,779 INFO L268 CegarLoopResult]: For program point L428(lines 406 429) no Hoare annotation was computed. [2020-07-21 15:41:17,779 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 358 460) no Hoare annotation was computed. [2020-07-21 15:41:17,779 INFO L268 CegarLoopResult]: For program point L387(lines 387 403) no Hoare annotation was computed. [2020-07-21 15:41:17,779 INFO L268 CegarLoopResult]: For program point L447(lines 447 454) no Hoare annotation was computed. [2020-07-21 15:41:17,779 INFO L268 CegarLoopResult]: For program point L408(lines 407 427) no Hoare annotation was computed. [2020-07-21 15:41:17,779 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 15:41:17,780 INFO L268 CegarLoopResult]: For program point L439-1(line 439) no Hoare annotation was computed. [2020-07-21 15:41:17,780 INFO L268 CegarLoopResult]: For program point L404(lines 404 445) no Hoare annotation was computed. [2020-07-21 15:41:17,780 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 358 460) no Hoare annotation was computed. [2020-07-21 15:41:17,780 INFO L268 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-07-21 15:41:17,780 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-21 15:41:17,780 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 964 973) no Hoare annotation was computed. [2020-07-21 15:41:17,780 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 964 973) no Hoare annotation was computed. [2020-07-21 15:41:17,780 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 964 973) no Hoare annotation was computed. [2020-07-21 15:41:17,780 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:17,781 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< 2 |old(~waterLevel~0)|) (< ~waterLevel~0 3)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 15:41:17,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:17,781 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2020-07-21 15:41:17,781 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2020-07-21 15:41:17,781 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0)) (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:41:17,781 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2020-07-21 15:41:17,781 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2020-07-21 15:41:17,782 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-21 15:41:17,782 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2020-07-21 15:41:17,782 INFO L271 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: true [2020-07-21 15:41:17,782 INFO L268 CegarLoopResult]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2020-07-21 15:41:17,782 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-21 15:41:17,782 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 930 938) no Hoare annotation was computed. [2020-07-21 15:41:17,782 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 930 938) no Hoare annotation was computed. [2020-07-21 15:41:17,782 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 930 938) no Hoare annotation was computed. [2020-07-21 15:41:17,783 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:41:17,783 INFO L268 CegarLoopResult]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2020-07-21 15:41:17,783 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2020-07-21 15:41:17,783 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:17,783 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:41:17,783 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:17,783 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (< |old(~waterLevel~0)| 3)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse3) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse3))) [2020-07-21 15:41:17,783 INFO L268 CegarLoopResult]: For program point L635(lines 634 653) no Hoare annotation was computed. [2020-07-21 15:41:17,784 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (<= ~waterLevel~0 1)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (< ~waterLevel~0 3)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse8) (or .cse5 .cse0 .cse1 .cse8) (or .cse0 (and .cse9 (= 0 ~pumpRunning~0) .cse2 .cse3) .cse6 .cse7 .cse4) (or .cse0 .cse9 .cse1 .cse6 .cse4))) [2020-07-21 15:41:17,784 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2020-07-21 15:41:17,784 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2020-07-21 15:41:17,784 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (and .cse5 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (< ~waterLevel~0 3)) .cse2 .cse3 .cse6) (or .cse0 .cse1 .cse7 (and .cse8 .cse4)) (or .cse1 (and .cse8 (<= 1 ~waterLevel~0) .cse4) .cse7 (not (<= 2 |old(~waterLevel~0)|)) .cse6) (or .cse1 .cse5 .cse7 .cse2 .cse6))) [2020-07-21 15:41:17,784 INFO L264 CegarLoopResult]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse12 (<= 1 ~systemActive~0))) (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse2 (and .cse6 .cse3 .cse12)) (.cse10 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not .cse12)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 (and (= 0 ~methaneLevelCritical~0) .cse3 .cse4) .cse5) (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (< ~waterLevel~0 3))) (or .cse0 (and .cse6 .cse7 .cse8) (and .cse9 .cse4 .cse7 .cse8) .cse10 .cse11 .cse5)) (or .cse0 .cse9 .cse1 .cse10 .cse2 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse10 .cse11 .cse3) (or .cse0 .cse1 (<= 1 ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) .cse5)))) [2020-07-21 15:41:17,784 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 15:41:17,785 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 15:41:17,785 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-21 15:41:17,785 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 15:41:17,785 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-21 15:41:17,785 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 15:41:17,785 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-21 15:41:17,785 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-21 15:41:17,785 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 15:41:17,786 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 15:41:17,786 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2020-07-21 15:41:17,786 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2020-07-21 15:41:17,786 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2020-07-21 15:41:17,786 INFO L268 CegarLoopResult]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2020-07-21 15:41:17,786 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (< |old(~waterLevel~0)| 3)))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (or .cse0 (and (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2))) [2020-07-21 15:41:17,786 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2020-07-21 15:41:17,786 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 15:41:17,787 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 15:41:17,787 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:41:17,787 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:41:17,787 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:41:17,787 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:41:17,787 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2020-07-21 15:41:17,787 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse0 (not (< ~waterLevel~0 3))) (.cse2 (not (<= 1 |old(~systemActive~0)|))) (.cse1 (<= 1 ~systemActive~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2 .cse1))) [2020-07-21 15:41:17,787 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2020-07-21 15:41:17,788 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,788 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,788 INFO L268 CegarLoopResult]: For program point L671(lines 671 679) no Hoare annotation was computed. [2020-07-21 15:41:17,788 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,788 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-21 15:41:17,788 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2020-07-21 15:41:17,788 INFO L268 CegarLoopResult]: For program point L667(lines 667 684) no Hoare annotation was computed. [2020-07-21 15:41:17,789 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,789 INFO L268 CegarLoopResult]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2020-07-21 15:41:17,789 INFO L264 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,789 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2020-07-21 15:41:17,789 INFO L268 CegarLoopResult]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2020-07-21 15:41:17,789 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse3 (and (<= |old(~waterLevel~0)| ~waterLevel~0) (< ~waterLevel~0 3))) (.cse4 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 1)) (.cse5 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or .cse6 .cse0 .cse1 .cse7 .cse2) (or .cse6 .cse1 .cse7 .cse5))) [2020-07-21 15:41:17,789 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2020-07-21 15:41:17,789 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2020-07-21 15:41:17,790 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2020-07-21 15:41:17,790 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2020-07-21 15:41:17,790 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,790 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2020-07-21 15:41:17,790 INFO L264 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,790 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,790 INFO L268 CegarLoopResult]: For program point L697(lines 697 705) no Hoare annotation was computed. [2020-07-21 15:41:17,791 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,791 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-21 15:41:17,791 INFO L268 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2020-07-21 15:41:17,791 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (< ~waterLevel~0 3)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 15:41:17,791 INFO L268 CegarLoopResult]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2020-07-21 15:41:17,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:41:17 BoogieIcfgContainer [2020-07-21 15:41:17,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:41:17,809 INFO L168 Benchmark]: Toolchain (without parser) took 27658.26 ms. Allocated memory was 136.3 MB in the beginning and 585.1 MB in the end (delta: 448.8 MB). Free memory was 100.2 MB in the beginning and 502.7 MB in the end (delta: -402.5 MB). Peak memory consumption was 435.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:17,810 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:41:17,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.40 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 99.8 MB in the beginning and 168.8 MB in the end (delta: -69.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:17,812 INFO L168 Benchmark]: Boogie Preprocessor took 88.88 ms. Allocated memory is still 200.3 MB. Free memory was 168.8 MB in the beginning and 164.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:17,812 INFO L168 Benchmark]: RCFGBuilder took 1287.75 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 164.5 MB in the beginning and 191.5 MB in the end (delta: -27.1 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:17,813 INFO L168 Benchmark]: TraceAbstraction took 25595.91 ms. Allocated memory was 229.6 MB in the beginning and 585.1 MB in the end (delta: 355.5 MB). Free memory was 190.1 MB in the beginning and 502.7 MB in the end (delta: -312.6 MB). Peak memory consumption was 432.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:41:17,816 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.40 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 99.8 MB in the beginning and 168.8 MB in the end (delta: -69.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.88 ms. Allocated memory is still 200.3 MB. Free memory was 168.8 MB in the beginning and 164.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1287.75 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 164.5 MB in the beginning and 191.5 MB in the end (delta: -27.1 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25595.91 ms. Allocated memory was 229.6 MB in the beginning and 585.1 MB in the end (delta: 355.5 MB). Free memory was 190.1 MB in the beginning and 502.7 MB in the end (delta: -312.6 MB). Peak memory consumption was 432.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || (((splverifierCounter <= 0 && 1 <= systemActive) && waterLevel < 3) && 1 <= pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methAndRunningLastTime && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) && waterLevel < 3)) || !(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: 564]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2130 SDtfs, 2145 SDslu, 2671 SDs, 0 SdLazy, 2465 SolverSat, 855 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1670 GetRequests, 1598 SyntacticMatches, 14 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1485occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 584 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3155 PreInvPairs, 3400 NumberOfFragments, 2218 HoareAnnotationTreeSize, 3155 FomulaSimplifications, 14078 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 69 FomulaSimplificationsInter, 48532 FormulaSimplificationTreeSizeReductionInter, 10.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1327 NumberOfCodeBlocks, 1167 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1641 ConstructedInterpolants, 0 QuantifiedInterpolants, 405325 SizeOfPredicates, 31 NumberOfNonLiveVariables, 9011 ConjunctsInSsa, 121 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 521/525 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...