/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:23:29,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:23:29,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:23:29,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:23:29,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:23:29,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:23:29,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:23:29,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:23:29,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:23:29,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:23:29,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:23:29,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:23:29,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:23:29,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:23:29,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:23:29,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:23:29,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:23:29,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:23:29,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:23:29,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:23:29,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:23:29,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:23:29,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:23:29,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:23:29,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:23:29,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:23:29,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:23:30,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:23:30,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:23:30,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:23:30,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:23:30,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:23:30,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:23:30,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:23:30,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:23:30,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:23:30,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:23:30,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:23:30,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:23:30,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:23:30,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:23:30,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:23:30,041 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:23:30,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:23:30,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:23:30,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:23:30,044 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:23:30,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:23:30,045 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:23:30,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:23:30,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:23:30,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:23:30,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:23:30,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:23:30,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:23:30,048 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:23:30,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:23:30,048 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:23:30,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:23:30,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:23:30,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:23:30,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:23:30,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:23:30,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:30,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:23:30,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:23:30,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:23:30,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:23:30,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:30,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:23:30,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:23:30,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:23:30,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:23:30,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:23:30,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:23:30,392 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:23:30,393 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:23:30,393 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-07-20 16:23:30,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09f187ea/7ffacf9cd688430e8e6012e9e2cdff44/FLAG519831ad8 [2020-07-20 16:23:30,975 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:23:30,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-07-20 16:23:30,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09f187ea/7ffacf9cd688430e8e6012e9e2cdff44/FLAG519831ad8 [2020-07-20 16:23:31,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09f187ea/7ffacf9cd688430e8e6012e9e2cdff44 [2020-07-20 16:23:31,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:23:31,229 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:23:31,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:31,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:23:31,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:23:31,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:31" (1/1) ... [2020-07-20 16:23:31,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5232a170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31, skipping insertion in model container [2020-07-20 16:23:31,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:31" (1/1) ... [2020-07-20 16:23:31,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:23:31,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:23:31,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:31,733 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:23:31,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:31,896 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:23:31,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31 WrapperNode [2020-07-20 16:23:31,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:31,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:23:31,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:23:31,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:23:31,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31" (1/1) ... [2020-07-20 16:23:31,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31" (1/1) ... [2020-07-20 16:23:31,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31" (1/1) ... [2020-07-20 16:23:31,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31" (1/1) ... [2020-07-20 16:23:31,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31" (1/1) ... [2020-07-20 16:23:31,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31" (1/1) ... [2020-07-20 16:23:31,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31" (1/1) ... [2020-07-20 16:23:31,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:23:31,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:23:31,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:23:31,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:23:31,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:23:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:23:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:23:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:23:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:23:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:23:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:23:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:23:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:23:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:23:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:23:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:23:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:23:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:23:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:23:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:23:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:23:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:23:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:23:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:23:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:23:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:23:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:23:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:23:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:23:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:23:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:23:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:23:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:23:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:23:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:23:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:23:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:23:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:23:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:23:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:23:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:23:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:23:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:23:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:23:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:23:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:23:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:23:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:23:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:23:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:23:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:23:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:23:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:23:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:23:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:23:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:23:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:23:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:23:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:23:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:23:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:23:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:23:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:23:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:23:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:23:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:23:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:23:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:23:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:23:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:23:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:23:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:23:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:23:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:23:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:23:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:23:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:23:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:23:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:23:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:23:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:23:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:23:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:23:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:23:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:23:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:23:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:23:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:23:33,302 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:23:33,302 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:23:33,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:33 BoogieIcfgContainer [2020-07-20 16:23:33,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:23:33,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:23:33,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:23:33,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:23:33,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:23:31" (1/3) ... [2020-07-20 16:23:33,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f567c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:33, skipping insertion in model container [2020-07-20 16:23:33,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:31" (2/3) ... [2020-07-20 16:23:33,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f567c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:33, skipping insertion in model container [2020-07-20 16:23:33,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:33" (3/3) ... [2020-07-20 16:23:33,317 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2020-07-20 16:23:33,328 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:23:33,336 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:23:33,350 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:23:33,376 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:23:33,376 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:23:33,376 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:23:33,376 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:23:33,377 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:23:33,377 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:23:33,377 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:23:33,377 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:23:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2020-07-20 16:23:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:23:33,409 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:33,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:33,411 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:33,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:33,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1859141612, now seen corresponding path program 1 times [2020-07-20 16:23:33,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:33,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270998247] [2020-07-20 16:23:33,428 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:33,968 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:33,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:33,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:23:33,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:34,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:34,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270998247] [2020-07-20 16:23:34,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:34,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:23:34,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170065154] [2020-07-20 16:23:34,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:23:34,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:34,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:23:34,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:34,044 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 2 states. [2020-07-20 16:23:34,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:34,091 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2020-07-20 16:23:34,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:23:34,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:23:34,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:34,107 INFO L225 Difference]: With dead ends: 278 [2020-07-20 16:23:34,108 INFO L226 Difference]: Without dead ends: 141 [2020-07-20 16:23:34,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:34,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-20 16:23:34,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-07-20 16:23:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-07-20 16:23:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2020-07-20 16:23:34,180 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2020-07-20 16:23:34,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:34,180 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2020-07-20 16:23:34,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:23:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2020-07-20 16:23:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:23:34,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:34,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:34,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:34,400 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:34,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:34,401 INFO L82 PathProgramCache]: Analyzing trace with hash 2121847036, now seen corresponding path program 1 times [2020-07-20 16:23:34,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:34,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552470839] [2020-07-20 16:23:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:34,789 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:34,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:34,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:34,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:34,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:34,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552470839] [2020-07-20 16:23:34,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:34,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:34,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375099273] [2020-07-20 16:23:34,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:34,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:34,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:34,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:34,852 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2020-07-20 16:23:34,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:34,899 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2020-07-20 16:23:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:34,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:23:34,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:34,902 INFO L225 Difference]: With dead ends: 221 [2020-07-20 16:23:34,903 INFO L226 Difference]: Without dead ends: 132 [2020-07-20 16:23:34,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:34,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-20 16:23:34,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-07-20 16:23:34,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-20 16:23:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2020-07-20 16:23:34,921 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2020-07-20 16:23:34,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:34,922 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2020-07-20 16:23:34,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:34,922 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2020-07-20 16:23:34,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 16:23:34,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:34,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:35,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:35,139 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:35,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:35,140 INFO L82 PathProgramCache]: Analyzing trace with hash 51071948, now seen corresponding path program 1 times [2020-07-20 16:23:35,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:35,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372854946] [2020-07-20 16:23:35,141 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:35,551 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:35,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:35,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:23:35,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:35,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:35,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372854946] [2020-07-20 16:23:35,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:35,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:35,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862303191] [2020-07-20 16:23:35,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:35,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:35,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:35,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:35,593 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 3 states. [2020-07-20 16:23:35,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:35,623 INFO L93 Difference]: Finished difference Result 338 states and 412 transitions. [2020-07-20 16:23:35,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:35,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 16:23:35,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:35,628 INFO L225 Difference]: With dead ends: 338 [2020-07-20 16:23:35,628 INFO L226 Difference]: Without dead ends: 234 [2020-07-20 16:23:35,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:35,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-20 16:23:35,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 230. [2020-07-20 16:23:35,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-20 16:23:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 279 transitions. [2020-07-20 16:23:35,683 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 279 transitions. Word has length 56 [2020-07-20 16:23:35,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:35,685 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 279 transitions. [2020-07-20 16:23:35,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 279 transitions. [2020-07-20 16:23:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 16:23:35,692 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:35,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:35,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:35,907 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:35,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:35,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1476511447, now seen corresponding path program 1 times [2020-07-20 16:23:35,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:35,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146901171] [2020-07-20 16:23:35,910 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:36,321 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:36,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:36,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:23:36,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:36,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:36,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:36,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146901171] [2020-07-20 16:23:36,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:36,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:36,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937832286] [2020-07-20 16:23:36,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:36,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:36,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:36,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:36,361 INFO L87 Difference]: Start difference. First operand 230 states and 279 transitions. Second operand 3 states. [2020-07-20 16:23:36,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:36,415 INFO L93 Difference]: Finished difference Result 432 states and 538 transitions. [2020-07-20 16:23:36,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:36,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-07-20 16:23:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:36,421 INFO L225 Difference]: With dead ends: 432 [2020-07-20 16:23:36,422 INFO L226 Difference]: Without dead ends: 429 [2020-07-20 16:23:36,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:36,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-07-20 16:23:36,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2020-07-20 16:23:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-07-20 16:23:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 534 transitions. [2020-07-20 16:23:36,479 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 534 transitions. Word has length 62 [2020-07-20 16:23:36,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:36,480 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 534 transitions. [2020-07-20 16:23:36,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 534 transitions. [2020-07-20 16:23:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 16:23:36,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:36,491 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:36,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:36,705 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:36,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:36,706 INFO L82 PathProgramCache]: Analyzing trace with hash 2066565558, now seen corresponding path program 1 times [2020-07-20 16:23:36,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:36,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290700244] [2020-07-20 16:23:36,706 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:37,081 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:37,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:37,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:23:37,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 16:23:37,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:37,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290700244] [2020-07-20 16:23:37,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:37,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:37,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180498978] [2020-07-20 16:23:37,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:37,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:37,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:37,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:37,154 INFO L87 Difference]: Start difference. First operand 429 states and 534 transitions. Second operand 6 states. [2020-07-20 16:23:37,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:37,573 INFO L93 Difference]: Finished difference Result 1168 states and 1486 transitions. [2020-07-20 16:23:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:37,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 16:23:37,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:37,580 INFO L225 Difference]: With dead ends: 1168 [2020-07-20 16:23:37,581 INFO L226 Difference]: Without dead ends: 767 [2020-07-20 16:23:37,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:37,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-07-20 16:23:37,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 618. [2020-07-20 16:23:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-07-20 16:23:37,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 767 transitions. [2020-07-20 16:23:37,633 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 767 transitions. Word has length 92 [2020-07-20 16:23:37,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:37,634 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 767 transitions. [2020-07-20 16:23:37,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 767 transitions. [2020-07-20 16:23:37,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 16:23:37,637 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:37,637 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:37,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:37,848 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:37,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:37,849 INFO L82 PathProgramCache]: Analyzing trace with hash 523229202, now seen corresponding path program 1 times [2020-07-20 16:23:37,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:37,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458605759] [2020-07-20 16:23:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:38,230 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:38,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:38,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:38,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 16:23:38,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:38,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458605759] [2020-07-20 16:23:38,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:38,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:38,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505617963] [2020-07-20 16:23:38,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:38,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:38,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:38,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:38,278 INFO L87 Difference]: Start difference. First operand 618 states and 767 transitions. Second operand 6 states. [2020-07-20 16:23:38,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:38,563 INFO L93 Difference]: Finished difference Result 1504 states and 1939 transitions. [2020-07-20 16:23:38,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:38,564 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2020-07-20 16:23:38,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:38,571 INFO L225 Difference]: With dead ends: 1504 [2020-07-20 16:23:38,571 INFO L226 Difference]: Without dead ends: 914 [2020-07-20 16:23:38,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-07-20 16:23:38,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 886. [2020-07-20 16:23:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-07-20 16:23:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1095 transitions. [2020-07-20 16:23:38,636 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1095 transitions. Word has length 96 [2020-07-20 16:23:38,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:38,636 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1095 transitions. [2020-07-20 16:23:38,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:38,637 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1095 transitions. [2020-07-20 16:23:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 16:23:38,641 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:38,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:38,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:38,855 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:38,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:38,856 INFO L82 PathProgramCache]: Analyzing trace with hash -18740620, now seen corresponding path program 1 times [2020-07-20 16:23:38,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:38,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818137686] [2020-07-20 16:23:38,857 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:39,039 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:39,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:39,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:39,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:39,077 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 16:23:39,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:39,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818137686] [2020-07-20 16:23:39,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:39,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:23:39,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990485549] [2020-07-20 16:23:39,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:23:39,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:39,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:23:39,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:39,080 INFO L87 Difference]: Start difference. First operand 886 states and 1095 transitions. Second operand 5 states. [2020-07-20 16:23:39,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:39,137 INFO L93 Difference]: Finished difference Result 1786 states and 2293 transitions. [2020-07-20 16:23:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:23:39,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-07-20 16:23:39,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:39,145 INFO L225 Difference]: With dead ends: 1786 [2020-07-20 16:23:39,146 INFO L226 Difference]: Without dead ends: 928 [2020-07-20 16:23:39,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:39,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-07-20 16:23:39,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 910. [2020-07-20 16:23:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-07-20 16:23:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1119 transitions. [2020-07-20 16:23:39,196 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1119 transitions. Word has length 143 [2020-07-20 16:23:39,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:39,196 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 1119 transitions. [2020-07-20 16:23:39,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:23:39,197 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1119 transitions. [2020-07-20 16:23:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 16:23:39,200 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:39,201 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:39,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:39,415 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:39,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:39,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1161243086, now seen corresponding path program 1 times [2020-07-20 16:23:39,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:39,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403189920] [2020-07-20 16:23:39,417 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:39,763 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:39,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:39,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:23:39,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 16:23:39,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:39,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403189920] [2020-07-20 16:23:39,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:39,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:39,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227879275] [2020-07-20 16:23:39,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:39,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:39,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:39,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:39,799 INFO L87 Difference]: Start difference. First operand 910 states and 1119 transitions. Second operand 3 states. [2020-07-20 16:23:39,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:39,890 INFO L93 Difference]: Finished difference Result 1011 states and 1246 transitions. [2020-07-20 16:23:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:39,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-07-20 16:23:39,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:39,916 INFO L225 Difference]: With dead ends: 1011 [2020-07-20 16:23:39,916 INFO L226 Difference]: Without dead ends: 454 [2020-07-20 16:23:39,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:39,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-07-20 16:23:39,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2020-07-20 16:23:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-07-20 16:23:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 540 transitions. [2020-07-20 16:23:39,944 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 540 transitions. Word has length 143 [2020-07-20 16:23:39,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:39,944 INFO L479 AbstractCegarLoop]: Abstraction has 454 states and 540 transitions. [2020-07-20 16:23:39,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:39,945 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 540 transitions. [2020-07-20 16:23:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-20 16:23:39,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:39,948 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:40,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:40,162 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:40,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:40,163 INFO L82 PathProgramCache]: Analyzing trace with hash -594949318, now seen corresponding path program 1 times [2020-07-20 16:23:40,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:40,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576688101] [2020-07-20 16:23:40,165 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:40,455 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:23:40,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:40,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:23:40,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 16:23:40,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:40,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576688101] [2020-07-20 16:23:40,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:40,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:40,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496512390] [2020-07-20 16:23:40,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:40,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:40,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:40,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:40,535 INFO L87 Difference]: Start difference. First operand 454 states and 540 transitions. Second operand 6 states. [2020-07-20 16:23:41,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:41,395 INFO L93 Difference]: Finished difference Result 1578 states and 2138 transitions. [2020-07-20 16:23:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:41,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2020-07-20 16:23:41,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:41,403 INFO L225 Difference]: With dead ends: 1578 [2020-07-20 16:23:41,404 INFO L226 Difference]: Without dead ends: 1152 [2020-07-20 16:23:41,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:23:41,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2020-07-20 16:23:41,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1080. [2020-07-20 16:23:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2020-07-20 16:23:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1382 transitions. [2020-07-20 16:23:41,463 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1382 transitions. Word has length 161 [2020-07-20 16:23:41,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:41,464 INFO L479 AbstractCegarLoop]: Abstraction has 1080 states and 1382 transitions. [2020-07-20 16:23:41,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1382 transitions. [2020-07-20 16:23:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-20 16:23:41,469 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:41,469 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:41,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:41,683 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:41,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:41,684 INFO L82 PathProgramCache]: Analyzing trace with hash -902428065, now seen corresponding path program 1 times [2020-07-20 16:23:41,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:41,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1104580602] [2020-07-20 16:23:41,685 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:41,981 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:23:41,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:41,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 16:23:41,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 16:23:42,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:42,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1104580602] [2020-07-20 16:23:42,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:42,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:23:42,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736977662] [2020-07-20 16:23:42,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:23:42,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:42,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:23:42,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:42,071 INFO L87 Difference]: Start difference. First operand 1080 states and 1382 transitions. Second operand 8 states. [2020-07-20 16:23:43,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:43,371 INFO L93 Difference]: Finished difference Result 3096 states and 4306 transitions. [2020-07-20 16:23:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 16:23:43,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2020-07-20 16:23:43,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:43,389 INFO L225 Difference]: With dead ends: 3096 [2020-07-20 16:23:43,390 INFO L226 Difference]: Without dead ends: 2044 [2020-07-20 16:23:43,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-20 16:23:43,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2020-07-20 16:23:43,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1778. [2020-07-20 16:23:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1778 states. [2020-07-20 16:23:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2356 transitions. [2020-07-20 16:23:43,540 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2356 transitions. Word has length 169 [2020-07-20 16:23:43,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:43,541 INFO L479 AbstractCegarLoop]: Abstraction has 1778 states and 2356 transitions. [2020-07-20 16:23:43,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:23:43,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2356 transitions. [2020-07-20 16:23:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-20 16:23:43,549 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:43,550 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:43,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:43,764 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:43,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:43,764 INFO L82 PathProgramCache]: Analyzing trace with hash -997660643, now seen corresponding path program 1 times [2020-07-20 16:23:43,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:43,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2141469527] [2020-07-20 16:23:43,765 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:44,110 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:44,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:44,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:44,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 16:23:44,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:44,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2141469527] [2020-07-20 16:23:44,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:44,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:23:44,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590673326] [2020-07-20 16:23:44,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:23:44,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:44,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:23:44,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:44,254 INFO L87 Difference]: Start difference. First operand 1778 states and 2356 transitions. Second operand 8 states. [2020-07-20 16:23:44,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:44,743 INFO L93 Difference]: Finished difference Result 3323 states and 4475 transitions. [2020-07-20 16:23:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:23:44,744 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-07-20 16:23:44,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:44,755 INFO L225 Difference]: With dead ends: 3323 [2020-07-20 16:23:44,756 INFO L226 Difference]: Without dead ends: 1573 [2020-07-20 16:23:44,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:44,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2020-07-20 16:23:44,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1557. [2020-07-20 16:23:44,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1557 states. [2020-07-20 16:23:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 1975 transitions. [2020-07-20 16:23:44,880 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 1975 transitions. Word has length 161 [2020-07-20 16:23:44,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:44,881 INFO L479 AbstractCegarLoop]: Abstraction has 1557 states and 1975 transitions. [2020-07-20 16:23:44,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:23:44,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1975 transitions. [2020-07-20 16:23:44,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 16:23:44,889 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:44,889 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:45,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:45,103 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:45,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:45,103 INFO L82 PathProgramCache]: Analyzing trace with hash -686467305, now seen corresponding path program 1 times [2020-07-20 16:23:45,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:45,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915501133] [2020-07-20 16:23:45,104 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:45,365 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:23:45,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:45,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:45,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:45,448 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-07-20 16:23:45,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:45,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915501133] [2020-07-20 16:23:45,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:45,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:45,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569826436] [2020-07-20 16:23:45,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:45,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:45,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:45,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:45,450 INFO L87 Difference]: Start difference. First operand 1557 states and 1975 transitions. Second operand 6 states. [2020-07-20 16:23:45,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:45,542 INFO L93 Difference]: Finished difference Result 3134 states and 4111 transitions. [2020-07-20 16:23:45,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:45,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 212 [2020-07-20 16:23:45,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:45,557 INFO L225 Difference]: With dead ends: 3134 [2020-07-20 16:23:45,557 INFO L226 Difference]: Without dead ends: 1605 [2020-07-20 16:23:45,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:23:45,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2020-07-20 16:23:45,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1587. [2020-07-20 16:23:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1587 states. [2020-07-20 16:23:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2010 transitions. [2020-07-20 16:23:45,652 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2010 transitions. Word has length 212 [2020-07-20 16:23:45,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:45,654 INFO L479 AbstractCegarLoop]: Abstraction has 1587 states and 2010 transitions. [2020-07-20 16:23:45,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:45,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2010 transitions. [2020-07-20 16:23:45,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 16:23:45,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:45,670 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:45,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:45,884 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:45,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:45,885 INFO L82 PathProgramCache]: Analyzing trace with hash -912571753, now seen corresponding path program 1 times [2020-07-20 16:23:45,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:45,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274115076] [2020-07-20 16:23:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:46,067 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:46,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:46,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:23:46,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-07-20 16:23:46,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:46,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274115076] [2020-07-20 16:23:46,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:46,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:23:46,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603312418] [2020-07-20 16:23:46,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:23:46,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:46,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:23:46,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:46,124 INFO L87 Difference]: Start difference. First operand 1587 states and 2010 transitions. Second operand 5 states. [2020-07-20 16:23:46,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:46,179 INFO L93 Difference]: Finished difference Result 2987 states and 3889 transitions. [2020-07-20 16:23:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:23:46,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-07-20 16:23:46,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:46,189 INFO L225 Difference]: With dead ends: 2987 [2020-07-20 16:23:46,189 INFO L226 Difference]: Without dead ends: 1428 [2020-07-20 16:23:46,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:46,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-07-20 16:23:46,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1414. [2020-07-20 16:23:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1414 states. [2020-07-20 16:23:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1774 transitions. [2020-07-20 16:23:46,266 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1774 transitions. Word has length 212 [2020-07-20 16:23:46,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:46,266 INFO L479 AbstractCegarLoop]: Abstraction has 1414 states and 1774 transitions. [2020-07-20 16:23:46,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:23:46,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1774 transitions. [2020-07-20 16:23:46,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-07-20 16:23:46,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:46,273 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:46,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:46,487 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:46,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:46,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1963612626, now seen corresponding path program 1 times [2020-07-20 16:23:46,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:46,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384627949] [2020-07-20 16:23:46,489 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:46,841 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:46,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:46,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:46,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 16:23:46,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:46,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384627949] [2020-07-20 16:23:46,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:46,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:23:46,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819211958] [2020-07-20 16:23:46,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:23:46,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:46,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:23:46,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:46,945 INFO L87 Difference]: Start difference. First operand 1414 states and 1774 transitions. Second operand 8 states. [2020-07-20 16:23:47,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:47,369 INFO L93 Difference]: Finished difference Result 2343 states and 2951 transitions. [2020-07-20 16:23:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:23:47,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2020-07-20 16:23:47,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:47,372 INFO L225 Difference]: With dead ends: 2343 [2020-07-20 16:23:47,372 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:23:47,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:47,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:23:47,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:23:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:23:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:23:47,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2020-07-20 16:23:47,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:47,384 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:23:47,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:23:47,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:23:47,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:23:47,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:47,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:23:49,968 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 22 [2020-07-20 16:23:50,235 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-07-20 16:23:50,516 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 20 [2020-07-20 16:23:51,196 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2020-07-20 16:23:51,524 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 19 [2020-07-20 16:23:52,004 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2020-07-20 16:23:52,150 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-07-20 16:23:52,334 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2020-07-20 16:23:52,584 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2020-07-20 16:23:52,854 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2020-07-20 16:23:53,099 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2020-07-20 16:23:53,367 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-07-20 16:23:53,500 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2020-07-20 16:23:53,658 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2020-07-20 16:23:53,859 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2020-07-20 16:23:54,594 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 41 [2020-07-20 16:23:54,752 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2020-07-20 16:23:54,874 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2020-07-20 16:23:55,311 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 23 [2020-07-20 16:23:55,738 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2020-07-20 16:23:55,867 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2020-07-20 16:23:55,872 INFO L268 CegarLoopResult]: For program point L186(lines 163 187) no Hoare annotation was computed. [2020-07-20 16:23:55,872 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2020-07-20 16:23:55,872 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-07-20 16:23:55,872 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-07-20 16:23:55,873 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2020-07-20 16:23:55,873 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-20 16:23:55,873 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2020-07-20 16:23:55,873 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2020-07-20 16:23:55,873 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-20 16:23:55,873 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2020-07-20 16:23:55,873 INFO L268 CegarLoopResult]: For program point L247(lines 220 248) no Hoare annotation was computed. [2020-07-20 16:23:55,874 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2020-07-20 16:23:55,874 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-20 16:23:55,874 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-20 16:23:55,874 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2020-07-20 16:23:55,874 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2020-07-20 16:23:55,874 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-20 16:23:55,874 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-07-20 16:23:55,875 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 16:23:55,875 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 16:23:55,875 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 16:23:55,875 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 16:23:55,875 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 16:23:55,875 INFO L264 CegarLoopResult]: At program point L578-1(line 578) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:55,875 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:55,876 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2020-07-20 16:23:55,876 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2020-07-20 16:23:55,876 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:55,876 INFO L264 CegarLoopResult]: At program point L584-1(line 584) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:55,876 INFO L268 CegarLoopResult]: For program point L582(lines 582 589) no Hoare annotation was computed. [2020-07-20 16:23:55,876 INFO L268 CegarLoopResult]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2020-07-20 16:23:55,877 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 16:23:55,877 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:55,877 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:55,877 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 16:23:55,877 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 16:23:55,877 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 529 552) no Hoare annotation was computed. [2020-07-20 16:23:55,878 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-07-20 16:23:55,878 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 16:23:55,878 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 16:23:55,878 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 529 552) no Hoare annotation was computed. [2020-07-20 16:23:55,878 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-07-20 16:23:55,878 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 529 552) no Hoare annotation was computed. [2020-07-20 16:23:55,878 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 16:23:55,878 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 16:23:55,878 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-20 16:23:55,879 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 16:23:55,879 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 16:23:55,879 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-20 16:23:55,879 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 16:23:55,879 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-07-20 16:23:55,879 INFO L268 CegarLoopResult]: For program point L738-1(line 738) no Hoare annotation was computed. [2020-07-20 16:23:55,879 INFO L268 CegarLoopResult]: For program point L736(lines 736 753) no Hoare annotation was computed. [2020-07-20 16:23:55,879 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:23:55,880 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:55,880 INFO L268 CegarLoopResult]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2020-07-20 16:23:55,880 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2020-07-20 16:23:55,880 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 16:23:55,880 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse2 .cse1) (or .cse0 .cse2 (not (<= ~waterLevel~0 1))))) [2020-07-20 16:23:55,880 INFO L268 CegarLoopResult]: For program point L740(lines 740 748) no Hoare annotation was computed. [2020-07-20 16:23:55,881 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:55,881 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0) (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)))) [2020-07-20 16:23:55,881 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2020-07-20 16:23:55,881 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-07-20 16:23:55,881 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (not (= 0 |old(~systemActive~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse5) (or .cse4 .cse1 .cse5) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)))) [2020-07-20 16:23:55,881 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2020-07-20 16:23:55,881 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2020-07-20 16:23:55,881 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2020-07-20 16:23:55,882 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2020-07-20 16:23:55,882 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-07-20 16:23:55,882 INFO L268 CegarLoopResult]: For program point L855(lines 855 863) no Hoare annotation was computed. [2020-07-20 16:23:55,882 INFO L268 CegarLoopResult]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2020-07-20 16:23:55,882 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2020-07-20 16:23:55,882 INFO L268 CegarLoopResult]: For program point L843(lines 843 851) no Hoare annotation was computed. [2020-07-20 16:23:55,882 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2020-07-20 16:23:55,882 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2020-07-20 16:23:55,882 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2020-07-20 16:23:55,882 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-20 16:23:55,883 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 16:23:55,883 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 16:23:55,883 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2020-07-20 16:23:55,883 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2020-07-20 16:23:55,883 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2020-07-20 16:23:55,883 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2020-07-20 16:23:55,883 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2020-07-20 16:23:55,883 INFO L268 CegarLoopResult]: For program point L426(lines 426 433) no Hoare annotation was computed. [2020-07-20 16:23:55,883 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2020-07-20 16:23:55,884 INFO L268 CegarLoopResult]: For program point L420(lines 420 440) no Hoare annotation was computed. [2020-07-20 16:23:55,884 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2020-07-20 16:23:55,884 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:55,884 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2020-07-20 16:23:55,884 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2020-07-20 16:23:55,884 INFO L264 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:55,884 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2020-07-20 16:23:55,885 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2020-07-20 16:23:55,885 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2020-07-20 16:23:55,885 INFO L271 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-07-20 16:23:55,885 INFO L268 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-07-20 16:23:55,885 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2020-07-20 16:23:55,885 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2020-07-20 16:23:55,885 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2020-07-20 16:23:55,885 INFO L268 CegarLoopResult]: For program point L683(lines 683 689) no Hoare annotation was computed. [2020-07-20 16:23:55,885 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2020-07-20 16:23:55,886 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2020-07-20 16:23:55,886 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2020-07-20 16:23:55,886 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 (not (= 0 ~methaneLevelCritical~0))) (or (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse0 .cse1 .cse2))) [2020-07-20 16:23:55,886 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-07-20 16:23:55,886 INFO L264 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:55,886 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-20 16:23:55,886 INFO L268 CegarLoopResult]: For program point L762(lines 762 779) no Hoare annotation was computed. [2020-07-20 16:23:55,887 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2020-07-20 16:23:55,887 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:23:55,887 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:55,887 INFO L268 CegarLoopResult]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2020-07-20 16:23:55,887 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2020-07-20 16:23:55,887 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2020-07-20 16:23:55,887 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2020-07-20 16:23:55,888 INFO L264 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:55,888 INFO L264 CegarLoopResult]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:55,888 INFO L268 CegarLoopResult]: For program point L927(lines 927 933) no Hoare annotation was computed. [2020-07-20 16:23:55,888 INFO L268 CegarLoopResult]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2020-07-20 16:23:55,888 INFO L268 CegarLoopResult]: For program point L919(lines 919 923) no Hoare annotation was computed. [2020-07-20 16:23:55,888 INFO L268 CegarLoopResult]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2020-07-20 16:23:55,888 INFO L264 CegarLoopResult]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:55,888 INFO L264 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse1 (<= 1 ~systemActive~0)))) [2020-07-20 16:23:55,889 INFO L268 CegarLoopResult]: For program point L953(lines 953 959) no Hoare annotation was computed. [2020-07-20 16:23:55,889 INFO L264 CegarLoopResult]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse1 (<= 1 ~systemActive~0)) (.cse0 (<= test_~splverifierCounter~0 0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) .cse0))) [2020-07-20 16:23:55,889 INFO L268 CegarLoopResult]: For program point L918(lines 917 964) no Hoare annotation was computed. [2020-07-20 16:23:55,889 INFO L268 CegarLoopResult]: For program point L947(lines 947 960) no Hoare annotation was computed. [2020-07-20 16:23:55,889 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:55,889 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-20 16:23:55,889 INFO L268 CegarLoopResult]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2020-07-20 16:23:55,890 INFO L268 CegarLoopResult]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2020-07-20 16:23:55,890 INFO L264 CegarLoopResult]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:55,890 INFO L268 CegarLoopResult]: For program point L380(lines 380 387) no Hoare annotation was computed. [2020-07-20 16:23:55,890 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2020-07-20 16:23:55,890 INFO L268 CegarLoopResult]: For program point L374(lines 374 394) no Hoare annotation was computed. [2020-07-20 16:23:55,890 INFO L268 CegarLoopResult]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2020-07-20 16:23:55,890 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2020-07-20 16:23:55,890 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2020-07-20 16:23:55,890 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:23:55,891 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2020-07-20 16:23:55,891 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2020-07-20 16:23:55,891 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~systemActive~0)) .cse1))) [2020-07-20 16:23:55,891 INFO L268 CegarLoopResult]: For program point L477(lines 477 483) no Hoare annotation was computed. [2020-07-20 16:23:55,891 INFO L268 CegarLoopResult]: For program point L476(lines 476 486) no Hoare annotation was computed. [2020-07-20 16:23:55,891 INFO L264 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or (not (<= 1 ~systemActive~0)) .cse0))) [2020-07-20 16:23:55,891 INFO L268 CegarLoopResult]: For program point L474-1(line 474) no Hoare annotation was computed. [2020-07-20 16:23:55,891 INFO L268 CegarLoopResult]: For program point L472(lines 472 489) no Hoare annotation was computed. [2020-07-20 16:23:55,892 INFO L268 CegarLoopResult]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2020-07-20 16:23:55,892 INFO L264 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 16:23:55,892 INFO L268 CegarLoopResult]: For program point L470-1(line 470) no Hoare annotation was computed. [2020-07-20 16:23:55,892 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 16:23:55,892 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2020-07-20 16:23:55,892 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:55,892 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2020-07-20 16:23:55,893 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2020-07-20 16:23:55,893 INFO L268 CegarLoopResult]: For program point L655(lines 655 663) no Hoare annotation was computed. [2020-07-20 16:23:55,893 INFO L268 CegarLoopResult]: For program point L655-2(lines 655 663) no Hoare annotation was computed. [2020-07-20 16:23:55,893 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 647 669) no Hoare annotation was computed. [2020-07-20 16:23:55,893 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 647 669) no Hoare annotation was computed. [2020-07-20 16:23:55,893 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 647 669) no Hoare annotation was computed. [2020-07-20 16:23:55,893 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 16:23:55,893 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 16:23:55,893 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 16:23:55,894 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-07-20 16:23:55,894 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2020-07-20 16:23:55,894 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-20 16:23:55,894 INFO L268 CegarLoopResult]: For program point L345(lines 345 356) no Hoare annotation was computed. [2020-07-20 16:23:55,894 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-20 16:23:55,894 INFO L268 CegarLoopResult]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2020-07-20 16:23:55,894 INFO L268 CegarLoopResult]: For program point L327(lines 305 328) no Hoare annotation was computed. [2020-07-20 16:23:55,894 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2020-07-20 16:23:55,895 INFO L268 CegarLoopResult]: For program point L286(lines 286 302) no Hoare annotation was computed. [2020-07-20 16:23:55,895 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-07-20 16:23:55,895 INFO L268 CegarLoopResult]: For program point L307(lines 306 326) no Hoare annotation was computed. [2020-07-20 16:23:55,895 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-20 16:23:55,895 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2020-07-20 16:23:55,895 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-07-20 16:23:55,895 INFO L268 CegarLoopResult]: For program point L303(lines 303 344) no Hoare annotation was computed. [2020-07-20 16:23:55,895 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-07-20 16:23:55,896 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:55,896 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 16:23:55,896 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:55,896 INFO L268 CegarLoopResult]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2020-07-20 16:23:55,896 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-07-20 16:23:55,896 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-20 16:23:55,896 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2020-07-20 16:23:55,897 INFO L268 CegarLoopResult]: For program point L796-1(line 796) no Hoare annotation was computed. [2020-07-20 16:23:55,897 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-20 16:23:55,897 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-20 16:23:55,897 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 670 678) no Hoare annotation was computed. [2020-07-20 16:23:55,897 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 670 678) no Hoare annotation was computed. [2020-07-20 16:23:55,897 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 670 678) no Hoare annotation was computed. [2020-07-20 16:23:55,897 INFO L268 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-07-20 16:23:55,897 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2020-07-20 16:23:55,898 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-07-20 16:23:55,898 INFO L268 CegarLoopResult]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2020-07-20 16:23:55,898 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-07-20 16:23:55,898 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2020-07-20 16:23:55,898 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2020-07-20 16:23:55,898 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:55,898 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:23:55,898 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:55,899 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2) (or .cse0 .cse4 (<= 1 ~methaneLevelCritical~0) .cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2020-07-20 16:23:55,899 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2020-07-20 16:23:55,899 INFO L268 CegarLoopResult]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2020-07-20 16:23:55,899 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2020-07-20 16:23:55,899 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2020-07-20 16:23:55,899 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2020-07-20 16:23:55,899 INFO L268 CegarLoopResult]: For program point L704(lines 703 722) no Hoare annotation was computed. [2020-07-20 16:23:55,900 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or .cse0 .cse4 .cse5 (and .cse6 .cse2 .cse3)) (or .cse0 .cse7 .cse1 .cse8) (or .cse9 .cse7 .cse8) (or .cse6 .cse9 .cse5 .cse7) (or .cse0 .cse4 .cse5 .cse7 .cse8))) [2020-07-20 16:23:55,900 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2020-07-20 16:23:55,900 INFO L264 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (and (= 0 ~methAndRunningLastTime~0) .cse5)) (or (not (= 0 ~systemActive~0)) .cse6) (or .cse0 .cse7 .cse6 .cse8) (or .cse0 .cse5 .cse8) (or .cse0 .cse1 .cse7 .cse2 .cse6) (or .cse0 .cse8 .cse3 .cse4))) [2020-07-20 16:23:55,900 INFO L264 CegarLoopResult]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse11 (not (= 0 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (and (<= ~waterLevel~0 1) .cse5) .cse2 .cse6 (and .cse7 .cse5)) (or .cse0 (and (<= 2 ~waterLevel~0) .cse5) (and .cse8 .cse5) .cse6 .cse9) (or .cse0 .cse10 .cse9) (or .cse11 .cse6 .cse8) (or .cse7 .cse11 .cse2 .cse6) (or .cse0 .cse9 .cse3 .cse4) (or .cse0 .cse1 .cse2 (and .cse10 .cse8)))) [2020-07-20 16:23:55,900 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2020-07-20 16:23:55,901 INFO L264 CegarLoopResult]: At program point L706(line 706) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse4 (and .cse5 .cse6)) (or .cse0 .cse1 .cse2 (and (= 0 ~methAndRunningLastTime~0) .cse5 .cse6)) (or .cse0 .cse3 .cse4))) [2020-07-20 16:23:55,901 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2020-07-20 16:23:55,901 INFO L268 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-07-20 16:23:55,901 INFO L271 CegarLoopResult]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2020-07-20 16:23:55,901 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2020-07-20 16:23:55,901 INFO L268 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-07-20 16:23:55,901 INFO L271 CegarLoopResult]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2020-07-20 16:23:55,901 INFO L271 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: true [2020-07-20 16:23:55,902 INFO L268 CegarLoopResult]: For program point L502-1(line 502) no Hoare annotation was computed. [2020-07-20 16:23:55,902 INFO L271 CegarLoopResult]: At program point L521(lines 496 525) the Hoare annotation is: true [2020-07-20 16:23:55,902 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 16:23:55,902 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:55,902 INFO L268 CegarLoopResult]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2020-07-20 16:23:55,902 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2020-07-20 16:23:55,902 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2020-07-20 16:23:55,902 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2020-07-20 16:23:55,902 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:55,903 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:23:55,903 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:55,903 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:55,903 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2020-07-20 16:23:55,903 INFO L268 CegarLoopResult]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2020-07-20 16:23:55,903 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:23:55,903 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:23:55,904 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 16:23:55,904 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 16:23:55,904 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:23:55,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:23:55 BoogieIcfgContainer [2020-07-20 16:23:55,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:23:55,925 INFO L168 Benchmark]: Toolchain (without parser) took 24697.91 ms. Allocated memory was 136.8 MB in the beginning and 522.2 MB in the end (delta: 385.4 MB). Free memory was 101.0 MB in the beginning and 370.8 MB in the end (delta: -269.8 MB). Peak memory consumption was 406.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:55,926 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 16:23:55,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.80 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 169.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:55,927 INFO L168 Benchmark]: Boogie Preprocessor took 86.55 ms. Allocated memory is still 200.8 MB. Free memory was 169.7 MB in the beginning and 165.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:55,928 INFO L168 Benchmark]: RCFGBuilder took 1323.49 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 165.4 MB in the beginning and 194.1 MB in the end (delta: -28.7 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:55,929 INFO L168 Benchmark]: TraceAbstraction took 22614.76 ms. Allocated memory was 230.7 MB in the beginning and 522.2 MB in the end (delta: 291.5 MB). Free memory was 194.1 MB in the beginning and 370.8 MB in the end (delta: -176.8 MB). Peak memory consumption was 406.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:55,932 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.80 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 169.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.55 ms. Allocated memory is still 200.8 MB. Free memory was 169.7 MB in the beginning and 165.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.49 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 165.4 MB in the beginning and 194.1 MB in the end (delta: -28.7 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22614.76 ms. Allocated memory was 230.7 MB in the beginning and 522.2 MB in the end (delta: 291.5 MB). Free memory was 194.1 MB in the beginning and 370.8 MB in the end (delta: -176.8 MB). Peak memory consumption was 406.1 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: 917]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 1) || (((0 == methAndRunningLastTime && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 243 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 14, TraceHistogramMax: 6, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2579 SDtfs, 1569 SDslu, 5004 SDs, 0 SdLazy, 1987 SolverSat, 602 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1826 GetRequests, 1771 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1778occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 585 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 5269 PreInvPairs, 5463 NumberOfFragments, 2149 HoareAnnotationTreeSize, 5269 FomulaSimplifications, 6469 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 65 FomulaSimplificationsInter, 18562 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1826 NumberOfCodeBlocks, 1117 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1812 ConstructedInterpolants, 0 QuantifiedInterpolants, 414550 SizeOfPredicates, 34 NumberOfNonLiveVariables, 10222 ConjunctsInSsa, 129 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 756/756 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...