/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:43:11,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:43:11,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:43:11,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:43:11,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:43:11,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:43:11,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:43:11,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:43:11,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:43:11,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:43:11,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:43:11,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:43:11,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:43:11,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:43:11,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:43:11,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:43:11,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:43:11,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:43:11,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:43:11,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:43:11,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:43:11,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:43:11,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:43:11,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:43:11,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:43:11,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:43:11,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:43:11,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:43:11,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:43:11,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:43:11,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:43:11,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:43:11,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:43:11,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:43:11,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:43:11,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:43:11,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:43:11,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:43:11,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:43:11,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:43:11,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:43:11,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 15:43:11,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:43:11,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:43:11,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:43:11,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:43:11,973 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:43:11,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:43:11,973 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:43:11,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:43:11,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:43:11,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:43:11,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:43:11,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:43:11,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:43:11,975 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:43:11,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:43:11,975 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:43:11,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:43:11,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:43:11,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:43:11,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:43:11,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:43:11,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:43:11,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:43:11,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:43:11,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:43:11,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:43:11,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:11,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:43:11,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:43:11,978 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_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:43:12,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:43:12,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:43:12,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:43:12,266 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:43:12,266 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:43:12,267 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-07-21 15:43:12,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/939666ea8/a2114cb474dd46eea0435d332623caec/FLAG9b32bb2e1 [2020-07-21 15:43:12,904 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:43:12,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-07-21 15:43:12,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/939666ea8/a2114cb474dd46eea0435d332623caec/FLAG9b32bb2e1 [2020-07-21 15:43:13,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/939666ea8/a2114cb474dd46eea0435d332623caec [2020-07-21 15:43:13,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:43:13,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:43:13,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:13,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:43:13,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:43:13,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:13" (1/1) ... [2020-07-21 15:43:13,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de3d3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13, skipping insertion in model container [2020-07-21 15:43:13,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:13" (1/1) ... [2020-07-21 15:43:13,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:43:13,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:43:13,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:13,681 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:43:13,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:13,872 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:43:13,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13 WrapperNode [2020-07-21 15:43:13,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:13,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:43:13,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:43:13,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:43:13,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13" (1/1) ... [2020-07-21 15:43:13,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13" (1/1) ... [2020-07-21 15:43:13,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13" (1/1) ... [2020-07-21 15:43:13,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13" (1/1) ... [2020-07-21 15:43:13,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13" (1/1) ... [2020-07-21 15:43:13,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13" (1/1) ... [2020-07-21 15:43:13,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13" (1/1) ... [2020-07-21 15:43:13,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:43:13,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:43:13,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:43:13,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:43:13,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:43:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:43:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:43:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:43:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:43:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:43:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:43:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:43:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:43:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:43:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:43:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:43:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:43:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:43:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:43:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:43:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:43:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:43:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 15:43:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:43:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:43:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:43:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:43:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:43:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:43:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:43:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:43:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:43:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:43:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:43:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:43:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:43:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:43:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:43:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:43:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:43:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:43:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:43:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:43:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:43:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:43:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:43:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:43:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:43:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:43:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:43:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:43:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:43:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:43:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:43:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:43:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:43:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 15:43:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:43:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:43:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:43:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:43:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:43:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:43:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:43:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:43:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:43:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:43:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:43:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:43:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:43:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:43:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:43:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:43:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:43:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:43:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:43:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:43:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:43:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:43:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:43:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:43:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:43:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:43:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:43:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:43:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:43:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:43:15,188 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:43:15,188 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:43:15,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:15 BoogieIcfgContainer [2020-07-21 15:43:15,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:43:15,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:43:15,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:43:15,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:43:15,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:43:13" (1/3) ... [2020-07-21 15:43:15,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3215f8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:15, skipping insertion in model container [2020-07-21 15:43:15,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:13" (2/3) ... [2020-07-21 15:43:15,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3215f8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:15, skipping insertion in model container [2020-07-21 15:43:15,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:15" (3/3) ... [2020-07-21 15:43:15,202 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-07-21 15:43:15,214 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:43:15,222 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:43:15,238 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:43:15,264 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:43:15,265 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:43:15,265 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:43:15,265 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:43:15,265 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:43:15,266 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:43:15,266 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:43:15,266 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:43:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-07-21 15:43:15,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 15:43:15,301 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:15,302 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:43:15,302 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:15,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:15,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1474572721, now seen corresponding path program 1 times [2020-07-21 15:43:15,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:15,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469713656] [2020-07-21 15:43:15,319 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:15,696 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:15,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:15,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:43:15,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:15,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:43:15,750 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:15,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469713656] [2020-07-21 15:43:15,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:15,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:43:15,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366318681] [2020-07-21 15:43:15,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:43:15,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:15,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:43:15,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:15,780 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2020-07-21 15:43:15,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:15,826 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2020-07-21 15:43:15,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:43:15,828 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 15:43:15,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:15,842 INFO L225 Difference]: With dead ends: 280 [2020-07-21 15:43:15,842 INFO L226 Difference]: Without dead ends: 142 [2020-07-21 15:43:15,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:15,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-21 15:43:15,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-07-21 15:43:15,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-21 15:43:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-07-21 15:43:15,916 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2020-07-21 15:43:15,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:15,917 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-07-21 15:43:15,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:43:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-07-21 15:43:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 15:43:15,922 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:15,922 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:16,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:16,137 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:16,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:16,138 INFO L82 PathProgramCache]: Analyzing trace with hash -902835711, now seen corresponding path program 1 times [2020-07-21 15:43:16,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:16,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460158115] [2020-07-21 15:43:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:16,478 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:16,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:16,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:43:16,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:16,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:16,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:16,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460158115] [2020-07-21 15:43:16,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:16,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:16,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699431788] [2020-07-21 15:43:16,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:16,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:16,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:16,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:16,540 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 3 states. [2020-07-21 15:43:16,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:16,579 INFO L93 Difference]: Finished difference Result 368 states and 447 transitions. [2020-07-21 15:43:16,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:16,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 15:43:16,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:16,585 INFO L225 Difference]: With dead ends: 368 [2020-07-21 15:43:16,585 INFO L226 Difference]: Without dead ends: 254 [2020-07-21 15:43:16,587 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 15:43:16,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-07-21 15:43:16,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250. [2020-07-21 15:43:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-07-21 15:43:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 301 transitions. [2020-07-21 15:43:16,622 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 301 transitions. Word has length 64 [2020-07-21 15:43:16,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:16,623 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 301 transitions. [2020-07-21 15:43:16,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 301 transitions. [2020-07-21 15:43:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 15:43:16,628 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:16,628 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:43:16,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:16,844 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:16,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:16,844 INFO L82 PathProgramCache]: Analyzing trace with hash -2087202736, now seen corresponding path program 1 times [2020-07-21 15:43:16,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:16,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648357647] [2020-07-21 15:43:16,845 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:17,233 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:17,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:17,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:43:17,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:17,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:17,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648357647] [2020-07-21 15:43:17,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:17,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:43:17,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222423844] [2020-07-21 15:43:17,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:43:17,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:17,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:43:17,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:43:17,294 INFO L87 Difference]: Start difference. First operand 250 states and 301 transitions. Second operand 6 states. [2020-07-21 15:43:17,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:17,575 INFO L93 Difference]: Finished difference Result 610 states and 785 transitions. [2020-07-21 15:43:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:43:17,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 15:43:17,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:17,581 INFO L225 Difference]: With dead ends: 610 [2020-07-21 15:43:17,581 INFO L226 Difference]: Without dead ends: 388 [2020-07-21 15:43:17,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 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 15:43:17,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-07-21 15:43:17,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 378. [2020-07-21 15:43:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-07-21 15:43:17,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 469 transitions. [2020-07-21 15:43:17,620 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 469 transitions. Word has length 70 [2020-07-21 15:43:17,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:17,621 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 469 transitions. [2020-07-21 15:43:17,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:43:17,621 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 469 transitions. [2020-07-21 15:43:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-21 15:43:17,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:17,627 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:43:17,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:17,829 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:17,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:17,829 INFO L82 PathProgramCache]: Analyzing trace with hash 571882893, now seen corresponding path program 1 times [2020-07-21 15:43:17,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:17,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807394280] [2020-07-21 15:43:17,831 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:18,016 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:43:18,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:18,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:43:18,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:18,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:18,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807394280] [2020-07-21 15:43:18,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:18,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:43:18,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069043052] [2020-07-21 15:43:18,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:43:18,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:18,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:43:18,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:18,061 INFO L87 Difference]: Start difference. First operand 378 states and 469 transitions. Second operand 5 states. [2020-07-21 15:43:18,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:18,095 INFO L93 Difference]: Finished difference Result 742 states and 968 transitions. [2020-07-21 15:43:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:43:18,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-07-21 15:43:18,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:18,100 INFO L225 Difference]: With dead ends: 742 [2020-07-21 15:43:18,100 INFO L226 Difference]: Without dead ends: 392 [2020-07-21 15:43:18,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:18,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2020-07-21 15:43:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 386. [2020-07-21 15:43:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-07-21 15:43:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 477 transitions. [2020-07-21 15:43:18,129 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 477 transitions. Word has length 88 [2020-07-21 15:43:18,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:18,130 INFO L479 AbstractCegarLoop]: Abstraction has 386 states and 477 transitions. [2020-07-21 15:43:18,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:43:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 477 transitions. [2020-07-21 15:43:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-21 15:43:18,133 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:18,133 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:43:18,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:18,349 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:18,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:18,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1273482767, now seen corresponding path program 1 times [2020-07-21 15:43:18,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:18,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [683627360] [2020-07-21 15:43:18,351 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:18,648 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:18,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:18,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:43:18,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:18,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:43:18,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:18,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [683627360] [2020-07-21 15:43:18,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:18,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:18,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396161570] [2020-07-21 15:43:18,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:18,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:18,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:18,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:18,685 INFO L87 Difference]: Start difference. First operand 386 states and 477 transitions. Second operand 3 states. [2020-07-21 15:43:18,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:18,706 INFO L93 Difference]: Finished difference Result 625 states and 749 transitions. [2020-07-21 15:43:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:18,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-07-21 15:43:18,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:18,710 INFO L225 Difference]: With dead ends: 625 [2020-07-21 15:43:18,710 INFO L226 Difference]: Without dead ends: 350 [2020-07-21 15:43:18,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:18,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-07-21 15:43:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2020-07-21 15:43:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-07-21 15:43:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 421 transitions. [2020-07-21 15:43:18,747 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 421 transitions. Word has length 88 [2020-07-21 15:43:18,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:18,747 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 421 transitions. [2020-07-21 15:43:18,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 421 transitions. [2020-07-21 15:43:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-21 15:43:18,749 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:18,750 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:43:18,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:18,964 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:18,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:18,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1631291949, now seen corresponding path program 1 times [2020-07-21 15:43:18,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:18,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40125389] [2020-07-21 15:43:18,967 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:19,269 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:19,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:19,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 15:43:19,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:19,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:19,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40125389] [2020-07-21 15:43:19,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:19,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:19,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838734700] [2020-07-21 15:43:19,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:19,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:19,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:19,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:19,311 INFO L87 Difference]: Start difference. First operand 350 states and 421 transitions. Second operand 3 states. [2020-07-21 15:43:19,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:19,350 INFO L93 Difference]: Finished difference Result 970 states and 1251 transitions. [2020-07-21 15:43:19,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:19,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-07-21 15:43:19,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:19,356 INFO L225 Difference]: With dead ends: 970 [2020-07-21 15:43:19,356 INFO L226 Difference]: Without dead ends: 648 [2020-07-21 15:43:19,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:19,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-07-21 15:43:19,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 645. [2020-07-21 15:43:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-07-21 15:43:19,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 814 transitions. [2020-07-21 15:43:19,424 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 814 transitions. Word has length 92 [2020-07-21 15:43:19,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:19,425 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 814 transitions. [2020-07-21 15:43:19,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 814 transitions. [2020-07-21 15:43:19,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-21 15:43:19,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:19,430 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:43:19,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:19,638 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:19,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:19,639 INFO L82 PathProgramCache]: Analyzing trace with hash 236594576, now seen corresponding path program 1 times [2020-07-21 15:43:19,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:19,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186590679] [2020-07-21 15:43:19,641 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:19,863 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:19,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:19,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:43:19,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:19,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:19,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186590679] [2020-07-21 15:43:19,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:19,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:43:19,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710864095] [2020-07-21 15:43:19,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:43:19,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:19,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:43:19,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:43:19,909 INFO L87 Difference]: Start difference. First operand 645 states and 814 transitions. Second operand 6 states. [2020-07-21 15:43:19,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:19,969 INFO L93 Difference]: Finished difference Result 1272 states and 1638 transitions. [2020-07-21 15:43:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:43:19,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-21 15:43:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:19,979 INFO L225 Difference]: With dead ends: 1272 [2020-07-21 15:43:19,979 INFO L226 Difference]: Without dead ends: 655 [2020-07-21 15:43:19,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 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 15:43:19,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2020-07-21 15:43:20,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 655. [2020-07-21 15:43:20,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2020-07-21 15:43:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 826 transitions. [2020-07-21 15:43:20,028 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 826 transitions. Word has length 92 [2020-07-21 15:43:20,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:20,030 INFO L479 AbstractCegarLoop]: Abstraction has 655 states and 826 transitions. [2020-07-21 15:43:20,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:43:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 826 transitions. [2020-07-21 15:43:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-21 15:43:20,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:20,037 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:43:20,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:20,252 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:20,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:20,253 INFO L82 PathProgramCache]: Analyzing trace with hash 938194450, now seen corresponding path program 1 times [2020-07-21 15:43:20,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:20,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960178974] [2020-07-21 15:43:20,254 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:20,438 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:43:20,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:20,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 15:43:20,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:20,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:20,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960178974] [2020-07-21 15:43:20,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:20,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:43:20,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515079790] [2020-07-21 15:43:20,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:43:20,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:20,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:43:20,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:20,497 INFO L87 Difference]: Start difference. First operand 655 states and 826 transitions. Second operand 5 states. [2020-07-21 15:43:20,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:20,554 INFO L93 Difference]: Finished difference Result 1264 states and 1638 transitions. [2020-07-21 15:43:20,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:43:20,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-07-21 15:43:20,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:20,560 INFO L225 Difference]: With dead ends: 1264 [2020-07-21 15:43:20,560 INFO L226 Difference]: Without dead ends: 637 [2020-07-21 15:43:20,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:20,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-07-21 15:43:20,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2020-07-21 15:43:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-07-21 15:43:20,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 786 transitions. [2020-07-21 15:43:20,601 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 786 transitions. Word has length 92 [2020-07-21 15:43:20,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:20,601 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 786 transitions. [2020-07-21 15:43:20,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:43:20,602 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 786 transitions. [2020-07-21 15:43:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-21 15:43:20,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:20,603 INFO L422 BasicCegarLoop]: trace histogram [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 15:43:20,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:20,819 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:20,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:20,819 INFO L82 PathProgramCache]: Analyzing trace with hash -711915603, now seen corresponding path program 1 times [2020-07-21 15:43:20,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:20,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031526702] [2020-07-21 15:43:20,820 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:21,076 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:21,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:21,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 15:43:21,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:21,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:21,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:21,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031526702] [2020-07-21 15:43:21,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:21,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 15:43:21,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378001989] [2020-07-21 15:43:21,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:21,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:21,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:21,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:21,187 INFO L87 Difference]: Start difference. First operand 637 states and 786 transitions. Second operand 10 states. [2020-07-21 15:43:22,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:22,723 INFO L93 Difference]: Finished difference Result 1910 states and 2671 transitions. [2020-07-21 15:43:22,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 15:43:22,724 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-07-21 15:43:22,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:22,734 INFO L225 Difference]: With dead ends: 1910 [2020-07-21 15:43:22,734 INFO L226 Difference]: Without dead ends: 1301 [2020-07-21 15:43:22,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 15:43:22,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2020-07-21 15:43:22,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 944. [2020-07-21 15:43:22,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-07-21 15:43:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1169 transitions. [2020-07-21 15:43:22,803 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1169 transitions. Word has length 96 [2020-07-21 15:43:22,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:22,803 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1169 transitions. [2020-07-21 15:43:22,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1169 transitions. [2020-07-21 15:43:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-21 15:43:22,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:22,807 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:23,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:23,022 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:23,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:23,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1405851946, now seen corresponding path program 1 times [2020-07-21 15:43:23,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:23,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010917907] [2020-07-21 15:43:23,025 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:23,345 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:23,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:23,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 15:43:23,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 15:43:23,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:23,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010917907] [2020-07-21 15:43:23,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:23,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:23,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840012701] [2020-07-21 15:43:23,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:23,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:23,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:23,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:23,379 INFO L87 Difference]: Start difference. First operand 944 states and 1169 transitions. Second operand 3 states. [2020-07-21 15:43:23,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:23,475 INFO L93 Difference]: Finished difference Result 1154 states and 1426 transitions. [2020-07-21 15:43:23,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:23,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-07-21 15:43:23,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:23,479 INFO L225 Difference]: With dead ends: 1154 [2020-07-21 15:43:23,479 INFO L226 Difference]: Without dead ends: 454 [2020-07-21 15:43:23,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:23,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-07-21 15:43:23,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2020-07-21 15:43:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-07-21 15:43:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 543 transitions. [2020-07-21 15:43:23,508 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 543 transitions. Word has length 137 [2020-07-21 15:43:23,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:23,508 INFO L479 AbstractCegarLoop]: Abstraction has 454 states and 543 transitions. [2020-07-21 15:43:23,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:23,509 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 543 transitions. [2020-07-21 15:43:23,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-21 15:43:23,511 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:23,511 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:23,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:23,727 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:23,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:23,727 INFO L82 PathProgramCache]: Analyzing trace with hash 69794205, now seen corresponding path program 1 times [2020-07-21 15:43:23,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:23,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016692282] [2020-07-21 15:43:23,728 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:24,044 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:24,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:24,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:43:24,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:24,110 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:24,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:43:24,509 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-21 15:43:24,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016692282] [2020-07-21 15:43:24,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:43:24,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 15:43:24,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436550984] [2020-07-21 15:43:24,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:24,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:24,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:24,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:24,511 INFO L87 Difference]: Start difference. First operand 454 states and 543 transitions. Second operand 10 states. [2020-07-21 15:43:25,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:25,477 INFO L93 Difference]: Finished difference Result 974 states and 1183 transitions. [2020-07-21 15:43:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 15:43:25,478 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2020-07-21 15:43:25,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:25,479 INFO L225 Difference]: With dead ends: 974 [2020-07-21 15:43:25,479 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:43:25,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 297 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 15:43:25,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:43:25,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:43:25,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:43:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:43:25,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-07-21 15:43:25,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:25,485 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:43:25,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:43:25,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:43:25,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:25,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:43:27,258 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-07-21 15:43:27,634 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-21 15:43:27,833 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-07-21 15:43:28,220 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-07-21 15:43:28,608 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-07-21 15:43:28,880 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-21 15:43:29,428 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-21 15:43:29,921 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 15:43:30,405 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-07-21 15:43:30,608 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 15:43:30,798 INFO L268 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-07-21 15:43:30,798 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 600) no Hoare annotation was computed. [2020-07-21 15:43:30,798 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 565 620) no Hoare annotation was computed. [2020-07-21 15:43:30,798 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-21 15:43:30,799 INFO L268 CegarLoopResult]: For program point L590-2(lines 590 611) no Hoare annotation was computed. [2020-07-21 15:43:30,799 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 565 620) no Hoare annotation was computed. [2020-07-21 15:43:30,799 INFO L268 CegarLoopResult]: For program point L612(lines 589 613) no Hoare annotation was computed. [2020-07-21 15:43:30,799 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 565 620) no Hoare annotation was computed. [2020-07-21 15:43:30,799 INFO L268 CegarLoopResult]: For program point L673(lines 646 674) no Hoare annotation was computed. [2020-07-21 15:43:30,799 INFO L268 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-07-21 15:43:30,799 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-07-21 15:43:30,800 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 621 680) no Hoare annotation was computed. [2020-07-21 15:43:30,800 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 621 680) no Hoare annotation was computed. [2020-07-21 15:43:30,800 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-21 15:43:30,800 INFO L268 CegarLoopResult]: For program point L653-1(lines 653 657) no Hoare annotation was computed. [2020-07-21 15:43:30,800 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 621 680) no Hoare annotation was computed. [2020-07-21 15:43:30,800 INFO L268 CegarLoopResult]: For program point L648(line 648) no Hoare annotation was computed. [2020-07-21 15:43:30,800 INFO L268 CegarLoopResult]: For program point L647-2(lines 647 672) no Hoare annotation was computed. [2020-07-21 15:43:30,800 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-21 15:43:30,801 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-21 15:43:30,801 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-21 15:43:30,801 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-21 15:43:30,801 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-21 15:43:30,801 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 465 472) the Hoare annotation is: true [2020-07-21 15:43:30,801 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 465 472) no Hoare annotation was computed. [2020-07-21 15:43:30,801 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 465 472) no Hoare annotation was computed. [2020-07-21 15:43:30,802 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 473 482) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:43:30,802 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 15:43:30,802 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 473 482) no Hoare annotation was computed. [2020-07-21 15:43:30,802 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 473 482) no Hoare annotation was computed. [2020-07-21 15:43:30,802 INFO L264 CegarLoopResult]: At program point L498(line 498) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 15:43:30,802 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 483 511) the Hoare annotation is: true [2020-07-21 15:43:30,803 INFO L268 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2020-07-21 15:43:30,803 INFO L268 CegarLoopResult]: For program point L495(lines 495 505) no Hoare annotation was computed. [2020-07-21 15:43:30,803 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 15:43:30,803 INFO L268 CegarLoopResult]: For program point L493-1(line 493) no Hoare annotation was computed. [2020-07-21 15:43:30,803 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 483 511) no Hoare annotation was computed. [2020-07-21 15:43:30,803 INFO L268 CegarLoopResult]: For program point L491(lines 491 508) no Hoare annotation was computed. [2020-07-21 15:43:30,803 INFO L268 CegarLoopResult]: For program point L491-1(lines 483 511) no Hoare annotation was computed. [2020-07-21 15:43:30,803 INFO L271 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: true [2020-07-21 15:43:30,804 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-07-21 15:43:30,804 INFO L264 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:30,804 INFO L264 CegarLoopResult]: At program point L384-1(line 384) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:30,804 INFO L268 CegarLoopResult]: For program point L382(lines 382 389) no Hoare annotation was computed. [2020-07-21 15:43:30,804 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 372 394) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:30,804 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 389) no Hoare annotation was computed. [2020-07-21 15:43:30,804 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-21 15:43:30,805 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:30,805 INFO L264 CegarLoopResult]: At program point L378(line 378) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:30,805 INFO L264 CegarLoopResult]: At program point L378-1(line 378) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:30,805 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 372 394) no Hoare annotation was computed. [2020-07-21 15:43:30,805 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 372 394) no Hoare annotation was computed. [2020-07-21 15:43:30,805 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 328 351) no Hoare annotation was computed. [2020-07-21 15:43:30,805 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 328 351) no Hoare annotation was computed. [2020-07-21 15:43:30,806 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 328 351) no Hoare annotation was computed. [2020-07-21 15:43:30,806 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-07-21 15:43:30,806 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-07-21 15:43:30,806 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-07-21 15:43:30,806 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-07-21 15:43:30,806 INFO L268 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-07-21 15:43:30,806 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-21 15:43:30,806 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-07-21 15:43:30,807 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-07-21 15:43:30,807 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-21 15:43:30,807 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-07-21 15:43:30,807 INFO L268 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-07-21 15:43:30,807 INFO L268 CegarLoopResult]: For program point L335(line 335) no Hoare annotation was computed. [2020-07-21 15:43:30,807 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-07-21 15:43:30,807 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-07-21 15:43:30,807 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 279 293) no Hoare annotation was computed. [2020-07-21 15:43:30,807 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-21 15:43:30,808 INFO L268 CegarLoopResult]: For program point L283(lines 283 289) no Hoare annotation was computed. [2020-07-21 15:43:30,808 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 279 293) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-21 15:43:30,808 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 279 293) no Hoare annotation was computed. [2020-07-21 15:43:30,808 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 215 223) no Hoare annotation was computed. [2020-07-21 15:43:30,808 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 215 223) the Hoare annotation is: true [2020-07-21 15:43:30,808 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 215 223) no Hoare annotation was computed. [2020-07-21 15:43:30,808 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-21 15:43:30,808 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-07-21 15:43:30,809 INFO L268 CegarLoopResult]: For program point L243(lines 243 251) no Hoare annotation was computed. [2020-07-21 15:43:30,809 INFO L268 CegarLoopResult]: For program point L243-2(lines 243 251) no Hoare annotation was computed. [2020-07-21 15:43:30,809 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 224 259) no Hoare annotation was computed. [2020-07-21 15:43:30,809 INFO L268 CegarLoopResult]: For program point L231(lines 231 239) no Hoare annotation was computed. [2020-07-21 15:43:30,809 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 224 259) no Hoare annotation was computed. [2020-07-21 15:43:30,809 INFO L268 CegarLoopResult]: For program point L231-2(lines 231 239) no Hoare annotation was computed. [2020-07-21 15:43:30,809 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 224 259) no Hoare annotation was computed. [2020-07-21 15:43:30,809 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-21 15:43:30,810 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-21 15:43:30,810 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 519 564) no Hoare annotation was computed. [2020-07-21 15:43:30,810 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 519 564) no Hoare annotation was computed. [2020-07-21 15:43:30,810 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 519 564) no Hoare annotation was computed. [2020-07-21 15:43:30,810 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 832 877) no Hoare annotation was computed. [2020-07-21 15:43:30,810 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-07-21 15:43:30,810 INFO L268 CegarLoopResult]: For program point L846(lines 846 866) no Hoare annotation was computed. [2020-07-21 15:43:30,810 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 866) no Hoare annotation was computed. [2020-07-21 15:43:30,810 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 832 877) no Hoare annotation was computed. [2020-07-21 15:43:30,811 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 832 877) no Hoare annotation was computed. [2020-07-21 15:43:30,811 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 361 371) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:30,811 INFO L264 CegarLoopResult]: At program point L366(line 366) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:30,811 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 361 371) no Hoare annotation was computed. [2020-07-21 15:43:30,811 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 361 371) no Hoare annotation was computed. [2020-07-21 15:43:30,811 INFO L271 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: true [2020-07-21 15:43:30,811 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-07-21 15:43:30,812 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 204 214) the Hoare annotation is: true [2020-07-21 15:43:30,812 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 204 214) no Hoare annotation was computed. [2020-07-21 15:43:30,812 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 204 214) no Hoare annotation was computed. [2020-07-21 15:43:30,812 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 196 203) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 15:43:30,812 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2020-07-21 15:43:30,812 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 196 203) no Hoare annotation was computed. [2020-07-21 15:43:30,812 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 958 971) no Hoare annotation was computed. [2020-07-21 15:43:30,812 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 958 971) the Hoare annotation is: true [2020-07-21 15:43:30,813 INFO L268 CegarLoopResult]: For program point L962(lines 962 968) no Hoare annotation was computed. [2020-07-21 15:43:30,813 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 958 971) no Hoare annotation was computed. [2020-07-21 15:43:30,813 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 163 187) no Hoare annotation was computed. [2020-07-21 15:43:30,813 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:30,813 INFO L268 CegarLoopResult]: For program point L182-1(lines 163 187) no Hoare annotation was computed. [2020-07-21 15:43:30,813 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 163 187) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:30,814 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:30,814 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:30,814 INFO L268 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2020-07-21 15:43:30,814 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:30,814 INFO L268 CegarLoopResult]: For program point L169-1(line 169) no Hoare annotation was computed. [2020-07-21 15:43:30,814 INFO L268 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-07-21 15:43:30,814 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 129 135) no Hoare annotation was computed. [2020-07-21 15:43:30,814 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 129 135) the Hoare annotation is: true [2020-07-21 15:43:30,815 INFO L264 CegarLoopResult]: At program point testENTRY(lines 396 461) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:30,815 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-21 15:43:30,815 INFO L268 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-07-21 15:43:30,815 INFO L264 CegarLoopResult]: At program point L442-1(lines 436 449) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:43:30,815 INFO L268 CegarLoopResult]: For program point L407(lines 406 453) no Hoare annotation was computed. [2020-07-21 15:43:30,815 INFO L268 CegarLoopResult]: For program point testFINAL(lines 396 461) no Hoare annotation was computed. [2020-07-21 15:43:30,816 INFO L268 CegarLoopResult]: For program point L436(lines 436 449) no Hoare annotation was computed. [2020-07-21 15:43:30,816 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:43:30,816 INFO L268 CegarLoopResult]: For program point L426(lines 426 432) no Hoare annotation was computed. [2020-07-21 15:43:30,816 INFO L268 CegarLoopResult]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2020-07-21 15:43:30,816 INFO L264 CegarLoopResult]: At program point L451(lines 406 453) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:43:30,816 INFO L264 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:43:30,817 INFO L268 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2020-07-21 15:43:30,817 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2020-07-21 15:43:30,817 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-07-21 15:43:30,817 INFO L264 CegarLoopResult]: At program point L454(lines 405 455) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:43:30,817 INFO L268 CegarLoopResult]: For program point testEXIT(lines 396 461) no Hoare annotation was computed. [2020-07-21 15:43:30,817 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-07-21 15:43:30,817 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-07-21 15:43:30,817 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 786 831) no Hoare annotation was computed. [2020-07-21 15:43:30,817 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 786 831) no Hoare annotation was computed. [2020-07-21 15:43:30,818 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 786 831) no Hoare annotation was computed. [2020-07-21 15:43:30,818 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-07-21 15:43:30,818 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 926 948) no Hoare annotation was computed. [2020-07-21 15:43:30,818 INFO L268 CegarLoopResult]: For program point L934(lines 934 942) no Hoare annotation was computed. [2020-07-21 15:43:30,818 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 926 948) no Hoare annotation was computed. [2020-07-21 15:43:30,818 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 926 948) no Hoare annotation was computed. [2020-07-21 15:43:30,818 INFO L268 CegarLoopResult]: For program point L934-2(lines 934 942) no Hoare annotation was computed. [2020-07-21 15:43:30,818 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-21 15:43:30,819 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-21 15:43:30,819 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-21 15:43:30,819 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 683 785) no Hoare annotation was computed. [2020-07-21 15:43:30,819 INFO L268 CegarLoopResult]: For program point L733(lines 732 752) no Hoare annotation was computed. [2020-07-21 15:43:30,819 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-21 15:43:30,819 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-21 15:43:30,819 INFO L268 CegarLoopResult]: For program point L729(lines 729 770) no Hoare annotation was computed. [2020-07-21 15:43:30,819 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-07-21 15:43:30,819 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-07-21 15:43:30,820 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 683 785) no Hoare annotation was computed. [2020-07-21 15:43:30,820 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-07-21 15:43:30,820 INFO L268 CegarLoopResult]: For program point L771(lines 771 782) no Hoare annotation was computed. [2020-07-21 15:43:30,820 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-21 15:43:30,820 INFO L268 CegarLoopResult]: For program point L732-2(lines 732 752) no Hoare annotation was computed. [2020-07-21 15:43:30,820 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 683 785) no Hoare annotation was computed. [2020-07-21 15:43:30,820 INFO L268 CegarLoopResult]: For program point L753(lines 731 754) no Hoare annotation was computed. [2020-07-21 15:43:30,820 INFO L268 CegarLoopResult]: For program point L712(lines 712 728) no Hoare annotation was computed. [2020-07-21 15:43:30,821 INFO L268 CegarLoopResult]: For program point L772(lines 772 779) no Hoare annotation was computed. [2020-07-21 15:43:30,821 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:30,821 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-21 15:43:30,821 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:30,821 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 188 195) no Hoare annotation was computed. [2020-07-21 15:43:30,821 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 188 195) no Hoare annotation was computed. [2020-07-21 15:43:30,821 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 188 195) 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 15:43:30,821 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 260 278) no Hoare annotation was computed. [2020-07-21 15:43:30,822 INFO L268 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2020-07-21 15:43:30,822 INFO L271 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: true [2020-07-21 15:43:30,822 INFO L268 CegarLoopResult]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2020-07-21 15:43:30,822 INFO L268 CegarLoopResult]: For program point L267-1(line 267) no Hoare annotation was computed. [2020-07-21 15:43:30,822 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 260 278) the Hoare annotation is: true [2020-07-21 15:43:30,822 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 260 278) no Hoare annotation was computed. [2020-07-21 15:43:30,822 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 949 957) the Hoare annotation is: true [2020-07-21 15:43:30,822 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 949 957) no Hoare annotation was computed. [2020-07-21 15:43:30,822 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 949 957) no Hoare annotation was computed. [2020-07-21 15:43:30,823 INFO L268 CegarLoopResult]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2020-07-21 15:43:30,823 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 905 916) the Hoare annotation is: true [2020-07-21 15:43:30,823 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 905 916) no Hoare annotation was computed. [2020-07-21 15:43:30,823 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:30,823 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:43:30,823 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:30,823 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 917 925) the Hoare annotation is: true [2020-07-21 15:43:30,823 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 917 925) no Hoare annotation was computed. [2020-07-21 15:43:30,823 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 917 925) no Hoare annotation was computed. [2020-07-21 15:43:30,824 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-21 15:43:30,824 INFO L264 CegarLoopResult]: At program point L116(lines 116 122) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-21 15:43:30,824 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 102 128) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (<= 2 ~waterLevel~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse2 (and .cse7 .cse10)) (or .cse0 .cse4 .cse9 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse9) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse9 (<= 1 ~switchedOnBeforeTS~0) .cse2) (or .cse4 .cse8 .cse9 .cse2 .cse3) (or .cse0 .cse9 (and .cse5 .cse10) .cse2))) [2020-07-21 15:43:30,824 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:30,825 INFO L268 CegarLoopResult]: For program point L109(lines 105 127) no Hoare annotation was computed. [2020-07-21 15:43:30,825 INFO L268 CegarLoopResult]: For program point L107(lines 105 127) no Hoare annotation was computed. [2020-07-21 15:43:30,825 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 102 128) no Hoare annotation was computed. [2020-07-21 15:43:30,825 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 102 128) no Hoare annotation was computed. [2020-07-21 15:43:30,825 INFO L271 CegarLoopResult]: At program point L321(lines 296 325) the Hoare annotation is: true [2020-07-21 15:43:30,825 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 296 325) no Hoare annotation was computed. [2020-07-21 15:43:30,825 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-21 15:43:30,825 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 296 325) the Hoare annotation is: true [2020-07-21 15:43:30,825 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-21 15:43:30,825 INFO L271 CegarLoopResult]: At program point L310-1(lines 310 314) the Hoare annotation is: true [2020-07-21 15:43:30,826 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-07-21 15:43:30,826 INFO L271 CegarLoopResult]: At program point L306-2(lines 306 320) the Hoare annotation is: true [2020-07-21 15:43:30,826 INFO L271 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: true [2020-07-21 15:43:30,826 INFO L268 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-07-21 15:43:30,826 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 881 892) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:30,826 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 881 892) no Hoare annotation was computed. [2020-07-21 15:43:30,826 INFO L268 CegarLoopResult]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2020-07-21 15:43:30,826 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 352 358) no Hoare annotation was computed. [2020-07-21 15:43:30,827 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 352 358) the Hoare annotation is: true [2020-07-21 15:43:30,827 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:30,827 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:43:30,827 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:43:30,827 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:30,827 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 137 161) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:30,827 INFO L264 CegarLoopResult]: At program point L156(line 156) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:30,828 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 137 161) no Hoare annotation was computed. [2020-07-21 15:43:30,828 INFO L268 CegarLoopResult]: For program point L156-1(lines 137 161) no Hoare annotation was computed. [2020-07-21 15:43:30,828 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:30,828 INFO L264 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-21 15:43:30,828 INFO L268 CegarLoopResult]: For program point L145(lines 145 153) no Hoare annotation was computed. [2020-07-21 15:43:30,828 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:30,828 INFO L268 CegarLoopResult]: For program point L143-1(line 143) no Hoare annotation was computed. [2020-07-21 15:43:30,828 INFO L268 CegarLoopResult]: For program point L141(lines 141 158) no Hoare annotation was computed. [2020-07-21 15:43:30,829 INFO L268 CegarLoopResult]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2020-07-21 15:43:30,829 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 893 904) no Hoare annotation was computed. [2020-07-21 15:43:30,829 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 893 904) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0))) (let ((.cse9 (not (= 0 ~systemActive~0))) (.cse1 (and .cse8 (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse8 .cse9 .cse2 .cse3 .cse4) (or .cse6 .cse9 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3)))) [2020-07-21 15:43:30,829 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 15:43:30,829 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 15:43:30,829 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 15:43:30,829 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 15:43:30,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:43:30 BoogieIcfgContainer [2020-07-21 15:43:30,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:43:30,848 INFO L168 Benchmark]: Toolchain (without parser) took 17651.29 ms. Allocated memory was 146.3 MB in the beginning and 428.3 MB in the end (delta: 282.1 MB). Free memory was 103.0 MB in the beginning and 267.2 MB in the end (delta: -164.2 MB). Peak memory consumption was 258.6 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:30,848 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 15:43:30,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.26 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 102.5 MB in the beginning and 172.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:30,850 INFO L168 Benchmark]: Boogie Preprocessor took 108.32 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 168.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:30,851 INFO L168 Benchmark]: RCFGBuilder took 1211.89 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 168.1 MB in the beginning and 196.6 MB in the end (delta: -28.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:30,852 INFO L168 Benchmark]: TraceAbstraction took 15650.94 ms. Allocated memory was 238.0 MB in the beginning and 428.3 MB in the end (delta: 190.3 MB). Free memory was 194.9 MB in the beginning and 267.2 MB in the end (delta: -72.3 MB). Peak memory consumption was 258.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:30,855 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.26 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 102.5 MB in the beginning and 172.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.32 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 168.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1211.89 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 168.1 MB in the beginning and 196.6 MB in the end (delta: -28.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15650.94 ms. Allocated memory was 238.0 MB in the beginning and 428.3 MB in the end (delta: 190.3 MB). Free memory was 194.9 MB in the beginning and 267.2 MB in the end (delta: -72.3 MB). Peak memory consumption was 258.8 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: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2059 SDtfs, 1075 SDslu, 4031 SDs, 0 SdLazy, 1652 SolverSat, 376 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1200 GetRequests, 1138 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=944occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 380 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2114 PreInvPairs, 2223 NumberOfFragments, 1932 HoareAnnotationTreeSize, 2114 FomulaSimplifications, 2025 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 64 FomulaSimplificationsInter, 6826 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1176 ConstructedInterpolants, 0 QuantifiedInterpolants, 220526 SizeOfPredicates, 27 NumberOfNonLiveVariables, 8411 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 122/144 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...