/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:53:18,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:53:18,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:53:18,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:53:18,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:53:18,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:53:18,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:53:18,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:53:18,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:53:18,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:53:18,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:53:18,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:53:18,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:53:18,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:53:18,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:53:18,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:53:18,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:53:18,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:53:18,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:53:18,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:53:18,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:53:18,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:53:18,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:53:18,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:53:18,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:53:18,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:53:18,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:53:18,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:53:18,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:53:18,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:53:18,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:53:18,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:53:18,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:53:18,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:53:18,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:53:18,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:53:18,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:53:18,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:53:18,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:53:18,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:53:18,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:53:18,941 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 12:53:18,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:53:18,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:53:18,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:53:18,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:53:18,973 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:53:18,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:53:18,974 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:53:18,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:53:18,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:53:18,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:53:18,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:53:18,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:53:18,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:53:18,975 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:53:18,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:53:18,975 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:53:18,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:53:18,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:53:18,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:53:18,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:53:18,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:53:18,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:53:18,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:53:18,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:53:18,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:53:18,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:53:18,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:18,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:53:18,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:53:18,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:53:19,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:53:19,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:53:19,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:53:19,281 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:53:19,282 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:53:19,283 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-07-21 12:53:19,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/145fb2ef6/671f0e52c72546ae98ff748e8b4771af/FLAG1e75c3241 [2020-07-21 12:53:19,932 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:53:19,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-07-21 12:53:19,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/145fb2ef6/671f0e52c72546ae98ff748e8b4771af/FLAG1e75c3241 [2020-07-21 12:53:20,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/145fb2ef6/671f0e52c72546ae98ff748e8b4771af [2020-07-21 12:53:20,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:53:20,173 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:53:20,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:53:20,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:53:20,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:53:20,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:53:20" (1/1) ... [2020-07-21 12:53:20,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f96d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20, skipping insertion in model container [2020-07-21 12:53:20,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:53:20" (1/1) ... [2020-07-21 12:53:20,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:53:20,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:53:20,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:53:20,602 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:53:20,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:53:20,839 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:53:20,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20 WrapperNode [2020-07-21 12:53:20,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:53:20,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:53:20,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:53:20,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:53:20,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20" (1/1) ... [2020-07-21 12:53:20,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20" (1/1) ... [2020-07-21 12:53:20,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20" (1/1) ... [2020-07-21 12:53:20,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20" (1/1) ... [2020-07-21 12:53:20,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20" (1/1) ... [2020-07-21 12:53:20,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20" (1/1) ... [2020-07-21 12:53:20,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20" (1/1) ... [2020-07-21 12:53:20,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:53:20,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:53:20,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:53:20,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:53:20,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:53:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:53:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:53:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:53:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:53:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:53:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:53:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:53:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:53:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:53:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:53:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:53:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:53:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:53:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:53:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:53:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:53:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:53:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:53:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:53:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:53:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:53:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:53:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:53:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:53:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:53:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:53:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:53:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:53:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:53:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:53:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:53:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:53:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:53:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-21 12:53:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:53:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:53:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:53:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:53:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:53:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:53:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:53:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:53:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:53:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:53:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:53:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:53:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:53:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:53:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:53:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:53:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:53:21,006 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:53:21,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:53:21,006 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:53:21,006 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:53:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:53:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:53:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:53:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:53:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:53:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:53:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:53:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:53:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:53:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:53:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:53:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:53:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-21 12:53:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:53:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:53:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:53:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:53:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:53:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:53:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:53:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:53:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:53:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:53:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:53:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:53:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:53:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:53:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:53:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:53:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:53:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:53:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:53:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:53:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:53:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:53:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:53:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:53:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:53:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:53:22,089 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:53:22,089 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:53:22,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:53:22 BoogieIcfgContainer [2020-07-21 12:53:22,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:53:22,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:53:22,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:53:22,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:53:22,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:53:20" (1/3) ... [2020-07-21 12:53:22,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebfb0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:53:22, skipping insertion in model container [2020-07-21 12:53:22,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:53:20" (2/3) ... [2020-07-21 12:53:22,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebfb0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:53:22, skipping insertion in model container [2020-07-21 12:53:22,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:53:22" (3/3) ... [2020-07-21 12:53:22,103 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2020-07-21 12:53:22,111 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:53:22,118 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:53:22,133 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:53:22,155 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:53:22,155 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:53:22,155 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:53:22,155 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:53:22,156 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:53:22,156 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:53:22,156 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:53:22,156 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:53:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-21 12:53:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 12:53:22,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:22,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:53:22,190 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:22,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:22,196 INFO L82 PathProgramCache]: Analyzing trace with hash 916136138, now seen corresponding path program 1 times [2020-07-21 12:53:22,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:22,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [896795333] [2020-07-21 12:53:22,207 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 12:53:22,698 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:22,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:22,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:53:22,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:22,752 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 12:53:22,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:53:22,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [896795333] [2020-07-21 12:53:22,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:53:22,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:53:22,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622766733] [2020-07-21 12:53:22,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:53:22,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:22,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:53:22,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:53:22,788 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2020-07-21 12:53:22,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:22,842 INFO L93 Difference]: Finished difference Result 256 states and 317 transitions. [2020-07-21 12:53:22,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:53:22,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 12:53:22,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:22,861 INFO L225 Difference]: With dead ends: 256 [2020-07-21 12:53:22,861 INFO L226 Difference]: Without dead ends: 128 [2020-07-21 12:53:22,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:53:22,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-21 12:53:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-21 12:53:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-21 12:53:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2020-07-21 12:53:22,926 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 46 [2020-07-21 12:53:22,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:22,927 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2020-07-21 12:53:22,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:53:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2020-07-21 12:53:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 12:53:22,931 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:22,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:53:23,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:23,146 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:23,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:23,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1104947330, now seen corresponding path program 1 times [2020-07-21 12:53:23,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:23,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858580674] [2020-07-21 12:53:23,149 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 12:53:23,521 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:23,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:23,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:53:23,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:23,580 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 12:53:23,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:53:23,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858580674] [2020-07-21 12:53:23,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:53:23,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:53:23,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082632830] [2020-07-21 12:53:23,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:53:23,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:23,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:53:23,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:53:23,589 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 3 states. [2020-07-21 12:53:23,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:23,637 INFO L93 Difference]: Finished difference Result 232 states and 279 transitions. [2020-07-21 12:53:23,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:53:23,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 12:53:23,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:23,646 INFO L225 Difference]: With dead ends: 232 [2020-07-21 12:53:23,646 INFO L226 Difference]: Without dead ends: 128 [2020-07-21 12:53:23,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:53:23,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-21 12:53:23,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-21 12:53:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-21 12:53:23,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2020-07-21 12:53:23,664 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 47 [2020-07-21 12:53:23,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:23,665 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2020-07-21 12:53:23,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:53:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2020-07-21 12:53:23,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 12:53:23,668 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:23,668 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] [2020-07-21 12:53:23,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:23,883 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:23,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:23,884 INFO L82 PathProgramCache]: Analyzing trace with hash 458129541, now seen corresponding path program 1 times [2020-07-21 12:53:23,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:23,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450314939] [2020-07-21 12:53:23,885 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 12:53:24,201 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:24,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:24,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 12:53:24,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:24,282 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 12:53:24,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:53:24,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450314939] [2020-07-21 12:53:24,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:53:24,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:53:24,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266745416] [2020-07-21 12:53:24,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:53:24,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:24,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:53:24,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:53:24,286 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 6 states. [2020-07-21 12:53:24,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:24,618 INFO L93 Difference]: Finished difference Result 325 states and 409 transitions. [2020-07-21 12:53:24,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:53:24,639 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-21 12:53:24,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:24,644 INFO L225 Difference]: With dead ends: 325 [2020-07-21 12:53:24,645 INFO L226 Difference]: Without dead ends: 221 [2020-07-21 12:53:24,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:53:24,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-21 12:53:24,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2020-07-21 12:53:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-07-21 12:53:24,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 274 transitions. [2020-07-21 12:53:24,706 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 274 transitions. Word has length 64 [2020-07-21 12:53:24,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:24,708 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 274 transitions. [2020-07-21 12:53:24,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:53:24,708 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 274 transitions. [2020-07-21 12:53:24,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 12:53:24,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:24,719 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] [2020-07-21 12:53:24,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:24,920 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:24,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:24,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1709722936, now seen corresponding path program 1 times [2020-07-21 12:53:24,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:24,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724153713] [2020-07-21 12:53:24,921 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 12:53:25,224 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:25,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:25,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:53:25,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:25,244 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 12:53:25,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:53:25,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724153713] [2020-07-21 12:53:25,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:53:25,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:53:25,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859147575] [2020-07-21 12:53:25,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:53:25,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:25,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:53:25,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:53:25,247 INFO L87 Difference]: Start difference. First operand 221 states and 274 transitions. Second operand 3 states. [2020-07-21 12:53:25,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:25,262 INFO L93 Difference]: Finished difference Result 364 states and 443 transitions. [2020-07-21 12:53:25,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:53:25,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 12:53:25,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:25,265 INFO L225 Difference]: With dead ends: 364 [2020-07-21 12:53:25,265 INFO L226 Difference]: Without dead ends: 203 [2020-07-21 12:53:25,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 12:53:25,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-07-21 12:53:25,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2020-07-21 12:53:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-21 12:53:25,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 246 transitions. [2020-07-21 12:53:25,282 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 246 transitions. Word has length 64 [2020-07-21 12:53:25,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:25,282 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 246 transitions. [2020-07-21 12:53:25,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:53:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 246 transitions. [2020-07-21 12:53:25,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-07-21 12:53:25,284 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:25,284 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] [2020-07-21 12:53:25,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:25,498 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:25,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:25,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1819766463, now seen corresponding path program 1 times [2020-07-21 12:53:25,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:25,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174464780] [2020-07-21 12:53:25,500 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 12:53:25,834 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:25,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:25,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:53:25,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:25,878 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 12:53:25,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:53:25,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174464780] [2020-07-21 12:53:25,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:53:25,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:53:25,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85717920] [2020-07-21 12:53:25,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:53:25,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:25,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:53:25,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:53:25,881 INFO L87 Difference]: Start difference. First operand 203 states and 246 transitions. Second operand 6 states. [2020-07-21 12:53:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:26,508 INFO L93 Difference]: Finished difference Result 474 states and 604 transitions. [2020-07-21 12:53:26,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:53:26,509 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-07-21 12:53:26,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:26,513 INFO L225 Difference]: With dead ends: 474 [2020-07-21 12:53:26,513 INFO L226 Difference]: Without dead ends: 295 [2020-07-21 12:53:26,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:53:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-07-21 12:53:26,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 280. [2020-07-21 12:53:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-21 12:53:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 331 transitions. [2020-07-21 12:53:26,538 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 331 transitions. Word has length 68 [2020-07-21 12:53:26,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:26,538 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 331 transitions. [2020-07-21 12:53:26,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:53:26,539 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 331 transitions. [2020-07-21 12:53:26,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-21 12:53:26,540 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:26,540 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:53:26,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:26,754 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:26,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:26,755 INFO L82 PathProgramCache]: Analyzing trace with hash -772272072, now seen corresponding path program 1 times [2020-07-21 12:53:26,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:26,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037761695] [2020-07-21 12:53:26,757 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 12:53:27,007 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:27,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:27,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:53:27,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 12:53:27,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:53:27,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037761695] [2020-07-21 12:53:27,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:53:27,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:53:27,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804817143] [2020-07-21 12:53:27,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:53:27,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:27,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:53:27,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:53:27,093 INFO L87 Difference]: Start difference. First operand 280 states and 331 transitions. Second operand 6 states. [2020-07-21 12:53:27,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:27,156 INFO L93 Difference]: Finished difference Result 546 states and 660 transitions. [2020-07-21 12:53:27,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:53:27,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2020-07-21 12:53:27,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:27,161 INFO L225 Difference]: With dead ends: 546 [2020-07-21 12:53:27,162 INFO L226 Difference]: Without dead ends: 290 [2020-07-21 12:53:27,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:53:27,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-07-21 12:53:27,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2020-07-21 12:53:27,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-21 12:53:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 342 transitions. [2020-07-21 12:53:27,213 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 342 transitions. Word has length 128 [2020-07-21 12:53:27,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:27,215 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 342 transitions. [2020-07-21 12:53:27,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:53:27,216 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 342 transitions. [2020-07-21 12:53:27,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-21 12:53:27,221 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:27,222 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:53:27,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:27,437 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:27,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:27,437 INFO L82 PathProgramCache]: Analyzing trace with hash -532032326, now seen corresponding path program 1 times [2020-07-21 12:53:27,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:27,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451836663] [2020-07-21 12:53:27,438 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 12:53:27,720 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:27,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:27,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:53:27,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 12:53:27,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:53:27,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451836663] [2020-07-21 12:53:27,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:53:27,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:53:27,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308049505] [2020-07-21 12:53:27,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:53:27,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:27,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:53:27,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:53:27,761 INFO L87 Difference]: Start difference. First operand 290 states and 342 transitions. Second operand 5 states. [2020-07-21 12:53:27,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:27,785 INFO L93 Difference]: Finished difference Result 547 states and 664 transitions. [2020-07-21 12:53:27,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:53:27,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-07-21 12:53:27,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:27,788 INFO L225 Difference]: With dead ends: 547 [2020-07-21 12:53:27,788 INFO L226 Difference]: Without dead ends: 281 [2020-07-21 12:53:27,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:53:27,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-07-21 12:53:27,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2020-07-21 12:53:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-07-21 12:53:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 330 transitions. [2020-07-21 12:53:27,807 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 330 transitions. Word has length 128 [2020-07-21 12:53:27,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:27,808 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 330 transitions. [2020-07-21 12:53:27,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:53:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 330 transitions. [2020-07-21 12:53:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-21 12:53:27,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:27,810 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:53:28,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:28,022 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:28,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:28,023 INFO L82 PathProgramCache]: Analyzing trace with hash -2017087877, now seen corresponding path program 1 times [2020-07-21 12:53:28,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:28,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1643628333] [2020-07-21 12:53:28,024 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 12:53:28,236 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 12:53:28,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:28,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:53:28,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:28,294 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:53:28,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:53:28,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1643628333] [2020-07-21 12:53:28,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:53:28,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:53:28,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672857845] [2020-07-21 12:53:28,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:53:28,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:28,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:53:28,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:53:28,297 INFO L87 Difference]: Start difference. First operand 281 states and 330 transitions. Second operand 6 states. [2020-07-21 12:53:28,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:28,942 INFO L93 Difference]: Finished difference Result 747 states and 938 transitions. [2020-07-21 12:53:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:53:28,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2020-07-21 12:53:28,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:28,949 INFO L225 Difference]: With dead ends: 747 [2020-07-21 12:53:28,951 INFO L226 Difference]: Without dead ends: 490 [2020-07-21 12:53:28,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:53:28,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-07-21 12:53:29,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 475. [2020-07-21 12:53:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-07-21 12:53:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 572 transitions. [2020-07-21 12:53:29,015 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 572 transitions. Word has length 128 [2020-07-21 12:53:29,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:29,016 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 572 transitions. [2020-07-21 12:53:29,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:53:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 572 transitions. [2020-07-21 12:53:29,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-21 12:53:29,019 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:29,020 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:53:29,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:29,233 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:29,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:29,233 INFO L82 PathProgramCache]: Analyzing trace with hash 759278389, now seen corresponding path program 1 times [2020-07-21 12:53:29,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:29,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2026341582] [2020-07-21 12:53:29,234 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 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 12:53:29,505 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:29,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:29,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:53:29,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:53:29,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:53:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:53:29,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2026341582] [2020-07-21 12:53:29,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:53:29,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-21 12:53:29,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465927164] [2020-07-21 12:53:29,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-21 12:53:29,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:29,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-21 12:53:29,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-21 12:53:29,953 INFO L87 Difference]: Start difference. First operand 475 states and 572 transitions. Second operand 12 states. [2020-07-21 12:53:31,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:31,351 INFO L93 Difference]: Finished difference Result 1238 states and 1602 transitions. [2020-07-21 12:53:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 12:53:31,352 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-07-21 12:53:31,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:31,362 INFO L225 Difference]: With dead ends: 1238 [2020-07-21 12:53:31,362 INFO L226 Difference]: Without dead ends: 787 [2020-07-21 12:53:31,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 252 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-21 12:53:31,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-07-21 12:53:31,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 630. [2020-07-21 12:53:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-07-21 12:53:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 749 transitions. [2020-07-21 12:53:31,436 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 749 transitions. Word has length 132 [2020-07-21 12:53:31,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:31,439 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 749 transitions. [2020-07-21 12:53:31,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-21 12:53:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 749 transitions. [2020-07-21 12:53:31,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-21 12:53:31,446 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:31,446 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:53:31,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:31,660 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:31,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:31,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1146941899, now seen corresponding path program 1 times [2020-07-21 12:53:31,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:31,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202640712] [2020-07-21 12:53:31,663 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 12:53:31,919 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:31,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:31,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:53:31,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-07-21 12:53:31,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:53:31,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202640712] [2020-07-21 12:53:31,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:53:31,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:53:31,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390932838] [2020-07-21 12:53:31,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:53:31,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:31,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:53:31,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:53:31,972 INFO L87 Difference]: Start difference. First operand 630 states and 749 transitions. Second operand 6 states. [2020-07-21 12:53:32,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:32,026 INFO L93 Difference]: Finished difference Result 1192 states and 1438 transitions. [2020-07-21 12:53:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:53:32,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2020-07-21 12:53:32,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:32,032 INFO L225 Difference]: With dead ends: 1192 [2020-07-21 12:53:32,032 INFO L226 Difference]: Without dead ends: 645 [2020-07-21 12:53:32,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:53:32,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-07-21 12:53:32,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2020-07-21 12:53:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-07-21 12:53:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 764 transitions. [2020-07-21 12:53:32,092 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 764 transitions. Word has length 185 [2020-07-21 12:53:32,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:32,093 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 764 transitions. [2020-07-21 12:53:32,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:53:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 764 transitions. [2020-07-21 12:53:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-21 12:53:32,096 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:32,097 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:53:32,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:32,311 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:32,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:32,312 INFO L82 PathProgramCache]: Analyzing trace with hash 637468809, now seen corresponding path program 1 times [2020-07-21 12:53:32,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:32,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521537842] [2020-07-21 12:53:32,313 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 12:53:32,619 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:32,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:32,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-21 12:53:32,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:32,715 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 12:53:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 58 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-21 12:53:32,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:53:32,933 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:33,031 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:33,102 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:33,125 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:33,150 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 12:53:33,284 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:33,302 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:33,398 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:33,399 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:33,477 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:33,495 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 7 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-21 12:53:33,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521537842] [2020-07-21 12:53:33,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:53:33,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 21 [2020-07-21 12:53:33,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086709470] [2020-07-21 12:53:33,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 12:53:33,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:33,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 12:53:33,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-07-21 12:53:33,640 INFO L87 Difference]: Start difference. First operand 645 states and 764 transitions. Second operand 21 states. [2020-07-21 12:53:36,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:36,160 INFO L93 Difference]: Finished difference Result 1908 states and 2531 transitions. [2020-07-21 12:53:36,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-21 12:53:36,161 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 185 [2020-07-21 12:53:36,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:36,173 INFO L225 Difference]: With dead ends: 1908 [2020-07-21 12:53:36,173 INFO L226 Difference]: Without dead ends: 1346 [2020-07-21 12:53:36,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 341 SyntacticMatches, 15 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=449, Invalid=1273, Unknown=0, NotChecked=0, Total=1722 [2020-07-21 12:53:36,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2020-07-21 12:53:36,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 844. [2020-07-21 12:53:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 844 states. [2020-07-21 12:53:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 978 transitions. [2020-07-21 12:53:36,258 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 978 transitions. Word has length 185 [2020-07-21 12:53:36,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:36,259 INFO L479 AbstractCegarLoop]: Abstraction has 844 states and 978 transitions. [2020-07-21 12:53:36,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 12:53:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 978 transitions. [2020-07-21 12:53:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-21 12:53:36,262 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:36,262 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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 12:53:36,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:36,464 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:36,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:36,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1491934830, now seen corresponding path program 1 times [2020-07-21 12:53:36,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:36,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217565304] [2020-07-21 12:53:36,466 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:36,770 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:36,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:36,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 12:53:36,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:36,851 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 12:53:36,851 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 12:53:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 91 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-21 12:53:36,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:53:37,195 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:37,252 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 12:53:37,253 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:37,307 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 12:53:37,308 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:37,326 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 12:53:37,326 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:37,368 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:37,369 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:53:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-07-21 12:53:37,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217565304] [2020-07-21 12:53:37,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:53:37,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-21 12:53:37,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542431291] [2020-07-21 12:53:37,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-21 12:53:37,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:37,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-21 12:53:37,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-21 12:53:37,531 INFO L87 Difference]: Start difference. First operand 844 states and 978 transitions. Second operand 16 states. [2020-07-21 12:53:40,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:40,153 INFO L93 Difference]: Finished difference Result 1973 states and 2405 transitions. [2020-07-21 12:53:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 12:53:40,155 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 189 [2020-07-21 12:53:40,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:40,165 INFO L225 Difference]: With dead ends: 1973 [2020-07-21 12:53:40,166 INFO L226 Difference]: Without dead ends: 1140 [2020-07-21 12:53:40,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 368 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2020-07-21 12:53:40,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2020-07-21 12:53:40,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 936. [2020-07-21 12:53:40,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 936 states. [2020-07-21 12:53:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1071 transitions. [2020-07-21 12:53:40,269 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1071 transitions. Word has length 189 [2020-07-21 12:53:40,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:40,269 INFO L479 AbstractCegarLoop]: Abstraction has 936 states and 1071 transitions. [2020-07-21 12:53:40,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-21 12:53:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1071 transitions. [2020-07-21 12:53:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-21 12:53:40,274 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:53:40,276 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 12:53:40,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:40,491 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:53:40,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:53:40,491 INFO L82 PathProgramCache]: Analyzing trace with hash 384547988, now seen corresponding path program 1 times [2020-07-21 12:53:40,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:53:40,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036015735] [2020-07-21 12:53:40,493 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:40,796 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:53:40,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:53:40,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 12:53:40,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:53:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-21 12:53:40,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:53:40,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036015735] [2020-07-21 12:53:40,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:53:40,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:53:40,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796676085] [2020-07-21 12:53:40,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:53:40,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:53:40,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:53:40,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:53:40,847 INFO L87 Difference]: Start difference. First operand 936 states and 1071 transitions. Second operand 6 states. [2020-07-21 12:53:40,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:53:40,889 INFO L93 Difference]: Finished difference Result 1164 states and 1319 transitions. [2020-07-21 12:53:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:53:40,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2020-07-21 12:53:40,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:53:40,893 INFO L225 Difference]: With dead ends: 1164 [2020-07-21 12:53:40,893 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:53:40,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:53:40,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:53:40,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:53:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:53:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:53:40,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2020-07-21 12:53:40,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:53:40,897 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:53:40,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:53:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:53:40,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:53:41,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:53:41,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:53:42,656 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 38 [2020-07-21 12:53:42,809 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 26 [2020-07-21 12:53:43,243 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-07-21 12:53:43,566 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 32 [2020-07-21 12:53:43,817 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 26 [2020-07-21 12:53:44,015 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 31 [2020-07-21 12:53:44,162 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-21 12:53:44,361 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2020-07-21 12:53:45,134 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2020-07-21 12:53:45,527 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-07-21 12:53:45,625 INFO L268 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-07-21 12:53:45,625 INFO L268 CegarLoopResult]: For program point L672-1(lines 672 676) no Hoare annotation was computed. [2020-07-21 12:53:45,625 INFO L268 CegarLoopResult]: For program point L667(line 667) no Hoare annotation was computed. [2020-07-21 12:53:45,625 INFO L268 CegarLoopResult]: For program point L666-2(lines 666 687) no Hoare annotation was computed. [2020-07-21 12:53:45,625 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 641 696) no Hoare annotation was computed. [2020-07-21 12:53:45,625 INFO L268 CegarLoopResult]: For program point L688(lines 665 689) no Hoare annotation was computed. [2020-07-21 12:53:45,625 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 641 696) no Hoare annotation was computed. [2020-07-21 12:53:45,625 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 641 696) no Hoare annotation was computed. [2020-07-21 12:53:45,626 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-07-21 12:53:45,626 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 733) no Hoare annotation was computed. [2020-07-21 12:53:45,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 697 756) no Hoare annotation was computed. [2020-07-21 12:53:45,626 INFO L268 CegarLoopResult]: For program point L724(line 724) no Hoare annotation was computed. [2020-07-21 12:53:45,626 INFO L268 CegarLoopResult]: For program point L723-2(lines 723 748) no Hoare annotation was computed. [2020-07-21 12:53:45,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 697 756) no Hoare annotation was computed. [2020-07-21 12:53:45,626 INFO L268 CegarLoopResult]: For program point L749(lines 722 750) no Hoare annotation was computed. [2020-07-21 12:53:45,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 697 756) no Hoare annotation was computed. [2020-07-21 12:53:45,627 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-07-21 12:53:45,627 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-07-21 12:53:45,627 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 546 552) the Hoare annotation is: true [2020-07-21 12:53:45,627 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 546 552) no Hoare annotation was computed. [2020-07-21 12:53:45,627 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 553 561) no Hoare annotation was computed. [2020-07-21 12:53:45,628 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 553 561) the Hoare annotation is: true [2020-07-21 12:53:45,628 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 553 561) no Hoare annotation was computed. [2020-07-21 12:53:45,628 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) .cse0 (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))))) [2020-07-21 12:53:45,628 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-07-21 12:53:45,628 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 563 587) the Hoare annotation is: true [2020-07-21 12:53:45,628 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) .cse0 (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))))) [2020-07-21 12:53:45,628 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-07-21 12:53:45,628 INFO L268 CegarLoopResult]: For program point L571(lines 571 584) no Hoare annotation was computed. [2020-07-21 12:53:45,629 INFO L268 CegarLoopResult]: For program point L571-1(lines 563 587) no Hoare annotation was computed. [2020-07-21 12:53:45,629 INFO L271 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: true [2020-07-21 12:53:45,629 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-07-21 12:53:45,629 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 563 587) no Hoare annotation was computed. [2020-07-21 12:53:45,629 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:53:45,629 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:53:45,629 INFO L264 CegarLoopResult]: At program point L250-1(line 250) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:53:45,630 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2020-07-21 12:53:45,630 INFO L268 CegarLoopResult]: For program point L248(lines 248 255) no Hoare annotation was computed. [2020-07-21 12:53:45,630 INFO L268 CegarLoopResult]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2020-07-21 12:53:45,630 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-07-21 12:53:45,630 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:53:45,630 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:53:45,631 INFO L264 CegarLoopResult]: At program point L244-1(line 244) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-07-21 12:53:45,631 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 379 387) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 379 387) the Hoare annotation is: true [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 379 387) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-07-21 12:53:45,632 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2020-07-21 12:53:45,632 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2020-07-21 12:53:45,633 INFO L268 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-07-21 12:53:45,633 INFO L271 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: true [2020-07-21 12:53:45,633 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2020-07-21 12:53:45,633 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2020-07-21 12:53:45,633 INFO L268 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-07-21 12:53:45,633 INFO L268 CegarLoopResult]: For program point L407(lines 407 415) no Hoare annotation was computed. [2020-07-21 12:53:45,633 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 415) no Hoare annotation was computed. [2020-07-21 12:53:45,633 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 388 423) no Hoare annotation was computed. [2020-07-21 12:53:45,633 INFO L268 CegarLoopResult]: For program point L395(lines 395 403) no Hoare annotation was computed. [2020-07-21 12:53:45,633 INFO L268 CegarLoopResult]: For program point L395-2(lines 395 403) no Hoare annotation was computed. [2020-07-21 12:53:45,634 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 388 423) no Hoare annotation was computed. [2020-07-21 12:53:45,634 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 388 423) no Hoare annotation was computed. [2020-07-21 12:53:45,634 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 12:53:45,634 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 539 545) no Hoare annotation was computed. [2020-07-21 12:53:45,634 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 539 545) the Hoare annotation is: true [2020-07-21 12:53:45,634 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 595 640) no Hoare annotation was computed. [2020-07-21 12:53:45,634 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 595 640) no Hoare annotation was computed. [2020-07-21 12:53:45,634 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 595 640) no Hoare annotation was computed. [2020-07-21 12:53:45,634 INFO L268 CegarLoopResult]: For program point L928(lines 928 935) no Hoare annotation was computed. [2020-07-21 12:53:45,635 INFO L268 CegarLoopResult]: For program point L922(lines 922 942) no Hoare annotation was computed. [2020-07-21 12:53:45,635 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 908 953) no Hoare annotation was computed. [2020-07-21 12:53:45,635 INFO L268 CegarLoopResult]: For program point L922-1(lines 922 942) no Hoare annotation was computed. [2020-07-21 12:53:45,635 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 908 953) no Hoare annotation was computed. [2020-07-21 12:53:45,635 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 908 953) no Hoare annotation was computed. [2020-07-21 12:53:45,635 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:53:45,635 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2020-07-21 12:53:45,635 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2020-07-21 12:53:45,636 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 368 378) no Hoare annotation was computed. [2020-07-21 12:53:45,636 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 368 378) no Hoare annotation was computed. [2020-07-21 12:53:45,636 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 368 378) no Hoare annotation was computed. [2020-07-21 12:53:45,636 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-21 12:53:45,636 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-21 12:53:45,636 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 360 367) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) [2020-07-21 12:53:45,636 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 360 367) no Hoare annotation was computed. [2020-07-21 12:53:45,636 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 360 367) no Hoare annotation was computed. [2020-07-21 12:53:45,636 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-07-21 12:53:45,637 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2020-07-21 12:53:45,637 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2020-07-21 12:53:45,637 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2020-07-21 12:53:45,637 INFO L264 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= ~waterLevel~0 2)) (not .cse4) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse4 .cse0 .cse1 .cse3))) [2020-07-21 12:53:45,637 INFO L268 CegarLoopResult]: For program point L346-1(lines 327 351) no Hoare annotation was computed. [2020-07-21 12:53:45,637 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 327 351) no Hoare annotation was computed. [2020-07-21 12:53:45,637 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) .cse0 (not (<= ~waterLevel~0 1))))) [2020-07-21 12:53:45,637 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 327 351) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 12:53:45,638 INFO L264 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~2)) .cse3) (or .cse1 (not (<= ~waterLevel~0 2)) .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-21 12:53:45,638 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-07-21 12:53:45,638 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= ~waterLevel~0 2)) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3))) [2020-07-21 12:53:45,638 INFO L268 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-07-21 12:53:45,638 INFO L268 CegarLoopResult]: For program point L331(lines 331 348) no Hoare annotation was computed. [2020-07-21 12:53:45,638 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 293 299) no Hoare annotation was computed. [2020-07-21 12:53:45,638 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 293 299) the Hoare annotation is: true [2020-07-21 12:53:45,638 INFO L264 CegarLoopResult]: At program point testENTRY(lines 463 526) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:53:45,639 INFO L268 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-07-21 12:53:45,639 INFO L268 CegarLoopResult]: For program point testFINAL(lines 463 526) no Hoare annotation was computed. [2020-07-21 12:53:45,639 INFO L264 CegarLoopResult]: At program point L519(lines 472 520) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:53:45,639 INFO L268 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2020-07-21 12:53:45,639 INFO L264 CegarLoopResult]: At program point L509-2(lines 503 514) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 12:53:45,639 INFO L268 CegarLoopResult]: For program point L474(lines 473 518) no Hoare annotation was computed. [2020-07-21 12:53:45,639 INFO L268 CegarLoopResult]: For program point L503(lines 503 514) no Hoare annotation was computed. [2020-07-21 12:53:45,639 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 12:53:45,640 INFO L268 CegarLoopResult]: For program point L493(lines 493 499) no Hoare annotation was computed. [2020-07-21 12:53:45,640 INFO L268 CegarLoopResult]: For program point L493-1(lines 493 499) no Hoare annotation was computed. [2020-07-21 12:53:45,640 INFO L264 CegarLoopResult]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 12:53:45,640 INFO L264 CegarLoopResult]: At program point L516(lines 473 518) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 12:53:45,640 INFO L268 CegarLoopResult]: For program point L483(lines 483 489) no Hoare annotation was computed. [2020-07-21 12:53:45,640 INFO L268 CegarLoopResult]: For program point testEXIT(lines 463 526) no Hoare annotation was computed. [2020-07-21 12:53:45,640 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 489) no Hoare annotation was computed. [2020-07-21 12:53:45,640 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 862 907) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 862 907) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point L882(lines 882 889) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 862 907) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point L876(lines 876 896) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point L876-1(lines 876 896) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point L112(lines 112 120) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2020-07-21 12:53:45,641 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 529 538) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 529 538) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 529 538) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 759 861) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point L824-1(line 824) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point L847(lines 847 858) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point L808-2(lines 808 828) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 759 861) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point L829(lines 807 830) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point L788(lines 788 804) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 759 861) no Hoare annotation was computed. [2020-07-21 12:53:45,642 INFO L268 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-07-21 12:53:45,643 INFO L268 CegarLoopResult]: For program point L809(lines 808 828) no Hoare annotation was computed. [2020-07-21 12:53:45,643 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-21 12:53:45,643 INFO L268 CegarLoopResult]: For program point L840-1(line 840) no Hoare annotation was computed. [2020-07-21 12:53:45,643 INFO L268 CegarLoopResult]: For program point L805(lines 805 846) no Hoare annotation was computed. [2020-07-21 12:53:45,643 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:53:45,643 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 12:53:45,643 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:53:45,643 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2020-07-21 12:53:45,643 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2020-07-21 12:53:45,643 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 352 359) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:53:45,643 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 127 135) the Hoare annotation is: true [2020-07-21 12:53:45,643 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2020-07-21 12:53:45,643 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2020-07-21 12:53:45,644 INFO L268 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-07-21 12:53:45,644 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 424 442) no Hoare annotation was computed. [2020-07-21 12:53:45,644 INFO L271 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: true [2020-07-21 12:53:45,644 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2020-07-21 12:53:45,644 INFO L268 CegarLoopResult]: For program point L431-1(line 431) no Hoare annotation was computed. [2020-07-21 12:53:45,644 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 424 442) the Hoare annotation is: true [2020-07-21 12:53:45,644 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 424 442) no Hoare annotation was computed. [2020-07-21 12:53:45,644 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2020-07-21 12:53:45,644 INFO L268 CegarLoopResult]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2020-07-21 12:53:45,644 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2020-07-21 12:53:45,644 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:53:45,644 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:53:45,645 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:53:45,645 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 95 103) no Hoare annotation was computed. [2020-07-21 12:53:45,645 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2020-07-21 12:53:45,645 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2020-07-21 12:53:45,645 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not .cse4)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 (<= ~waterLevel~0 1) .cse2) .cse3 (not (<= 1 |old(~waterLevel~0)|))) (or .cse4 .cse0 .cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6) (or .cse0 (and (<= ~waterLevel~0 2) .cse1 .cse2) .cse3 .cse5 .cse6)))) [2020-07-21 12:53:45,645 INFO L264 CegarLoopResult]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not .cse6)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (<= ~waterLevel~0 2) .cse4)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse5 (<= ~waterLevel~0 1) .cse4) .cse1 (not (<= 1 |old(~waterLevel~0)|))) (or .cse6 .cse0 .cse2 (and (<= 1 ~waterLevel~0) .cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse3)))) [2020-07-21 12:53:45,645 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 .cse3 .cse1 .cse2))) [2020-07-21 12:53:45,645 INFO L268 CegarLoopResult]: For program point L273(lines 272 291) no Hoare annotation was computed. [2020-07-21 12:53:45,645 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 269 292) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 2)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-21 12:53:45,645 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 269 292) no Hoare annotation was computed. [2020-07-21 12:53:45,646 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 269 292) no Hoare annotation was computed. [2020-07-21 12:53:45,646 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2020-07-21 12:53:45,646 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2020-07-21 12:53:45,646 INFO L271 CegarLoopResult]: At program point L187(lines 162 191) the Hoare annotation is: true [2020-07-21 12:53:45,646 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-21 12:53:45,646 INFO L268 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2020-07-21 12:53:45,646 INFO L271 CegarLoopResult]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2020-07-21 12:53:45,646 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-07-21 12:53:45,646 INFO L271 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2020-07-21 12:53:45,647 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-07-21 12:53:45,647 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-21 12:53:45,647 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 12:53:45,647 INFO L268 CegarLoopResult]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2020-07-21 12:53:45,647 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2020-07-21 12:53:45,647 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2020-07-21 12:53:45,647 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2020-07-21 12:53:45,647 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:53:45,647 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:53:45,647 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:53:45,648 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:53:45,648 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 301 325) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-21 12:53:45,648 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-21 12:53:45,648 INFO L268 CegarLoopResult]: For program point L320-1(lines 301 325) no Hoare annotation was computed. [2020-07-21 12:53:45,648 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 301 325) no Hoare annotation was computed. [2020-07-21 12:53:45,648 INFO L264 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-21 12:53:45,648 INFO L264 CegarLoopResult]: At program point L311(line 311) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))))) [2020-07-21 12:53:45,648 INFO L268 CegarLoopResult]: For program point L309(lines 309 317) no Hoare annotation was computed. [2020-07-21 12:53:45,648 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-21 12:53:45,648 INFO L268 CegarLoopResult]: For program point L307-1(line 307) no Hoare annotation was computed. [2020-07-21 12:53:45,649 INFO L268 CegarLoopResult]: For program point L305(lines 305 322) no Hoare annotation was computed. [2020-07-21 12:53:45,649 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2020-07-21 12:53:45,649 INFO L268 CegarLoopResult]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2020-07-21 12:53:45,649 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and (<= ~waterLevel~0 1) .cse1) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 2) .cse1)))) [2020-07-21 12:53:45,649 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 12:53:45,649 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 12:53:45,649 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 12:53:45,649 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 12:53:45,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:53:45 BoogieIcfgContainer [2020-07-21 12:53:45,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:53:45,668 INFO L168 Benchmark]: Toolchain (without parser) took 25496.73 ms. Allocated memory was 145.8 MB in the beginning and 486.5 MB in the end (delta: 340.8 MB). Free memory was 103.0 MB in the beginning and 150.4 MB in the end (delta: -47.5 MB). Peak memory consumption was 354.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:53:45,668 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 12:53:45,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.95 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.6 MB in the beginning and 173.3 MB in the end (delta: -70.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-21 12:53:45,669 INFO L168 Benchmark]: Boogie Preprocessor took 92.86 ms. Allocated memory is still 203.9 MB. Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:53:45,670 INFO L168 Benchmark]: RCFGBuilder took 1161.83 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 169.3 MB in the beginning and 199.8 MB in the end (delta: -30.5 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:53:45,671 INFO L168 Benchmark]: TraceAbstraction took 23570.05 ms. Allocated memory was 238.0 MB in the beginning and 486.5 MB in the end (delta: 248.5 MB). Free memory was 199.8 MB in the beginning and 150.4 MB in the end (delta: 49.4 MB). Peak memory consumption was 359.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:53:45,673 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.95 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.6 MB in the beginning and 173.3 MB in the end (delta: -70.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.86 ms. Allocated memory is still 203.9 MB. Free memory was 173.3 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1161.83 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 169.3 MB in the beginning and 199.8 MB in the end (delta: -30.5 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23570.05 ms. Allocated memory was 238.0 MB in the beginning and 486.5 MB in the end (delta: 248.5 MB). Free memory was 199.8 MB in the beginning and 150.4 MB in the end (delta: 49.4 MB). Peak memory consumption was 359.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || (((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0)) || ((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2091 SDtfs, 2709 SDslu, 4247 SDs, 0 SdLazy, 5168 SolverSat, 1727 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2115 GetRequests, 1971 SyntacticMatches, 22 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=936occurred in iteration=12, 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, 13 MinimizatonAttempts, 893 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 2124 PreInvPairs, 2156 NumberOfFragments, 1311 HoareAnnotationTreeSize, 2124 FomulaSimplifications, 14592 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8165 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1553 NumberOfCodeBlocks, 1489 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2043 ConstructedInterpolants, 0 QuantifiedInterpolants, 565716 SizeOfPredicates, 45 NumberOfNonLiveVariables, 10286 ConjunctsInSsa, 124 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 665/738 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...