/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:43:53,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:43:53,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:43:53,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:43:53,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:43:53,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:43:53,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:43:53,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:43:53,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:43:53,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:43:53,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:43:53,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:43:53,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:43:53,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:43:53,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:43:53,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:43:53,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:43:53,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:43:53,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:43:53,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:43:53,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:43:53,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:43:53,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:43:53,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:43:53,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:43:53,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:43:53,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:43:53,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:43:53,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:43:53,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:43:53,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:43:53,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:43:53,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:43:53,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:43:53,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:43:53,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:43:53,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:43:53,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:43:53,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:43:53,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:43:53,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:43:53,175 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 10:43:53,190 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:43:53,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:43:53,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:43:53,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:43:53,192 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:43:53,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:43:53,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:43:53,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:43:53,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:43:53,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:43:53,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:43:53,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:43:53,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:43:53,194 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:43:53,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:43:53,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:43:53,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:43:53,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:43:53,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:43:53,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:43:53,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:43:53,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:43:53,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:43:53,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:43:53,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:43:53,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:43:53,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:53,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:43:53,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:43:53,197 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 -> NOT_INCREMENTALLY [2020-07-20 10:43:53,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:43:53,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:43:53,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:43:53,534 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:43:53,534 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:43:53,536 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-20 10:43:53,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bceef6078/e14c643496a947989916a8956785b7c1/FLAGd929ad268 [2020-07-20 10:43:54,102 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:43:54,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-20 10:43:54,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bceef6078/e14c643496a947989916a8956785b7c1/FLAGd929ad268 [2020-07-20 10:43:54,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bceef6078/e14c643496a947989916a8956785b7c1 [2020-07-20 10:43:54,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:43:54,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:43:54,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:54,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:43:54,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:43:54,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:54" (1/1) ... [2020-07-20 10:43:54,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505abb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54, skipping insertion in model container [2020-07-20 10:43:54,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:54" (1/1) ... [2020-07-20 10:43:54,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:43:54,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:43:54,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:54,928 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:43:55,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:55,060 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:43:55,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:55 WrapperNode [2020-07-20 10:43:55,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:55,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:43:55,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:43:55,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:43:55,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:55" (1/1) ... [2020-07-20 10:43:55,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:55" (1/1) ... [2020-07-20 10:43:55,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:55" (1/1) ... [2020-07-20 10:43:55,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:55" (1/1) ... [2020-07-20 10:43:55,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:55" (1/1) ... [2020-07-20 10:43:55,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:55" (1/1) ... [2020-07-20 10:43:55,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:55" (1/1) ... [2020-07-20 10:43:55,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:43:55,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:43:55,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:43:55,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:43:55,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:55" (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 10:43:55,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:43:55,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:43:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:43:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:43:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:43:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:43:55,259 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:43:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:43:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:43:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:43:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:43:55,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:43:55,262 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:43:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:43:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:43:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:43:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:43:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:43:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:43:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:43:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:43:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:43:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:43:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:43:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:43:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:43:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:43:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:43:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:43:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:43:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:43:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:43:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:43:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:43:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:43:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:43:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:43:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:43:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:43:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:43:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:43:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:43:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:43:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:43:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:43:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:43:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:43:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:43:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:43:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:43:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:43:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:43:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:43:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:43:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:43:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:43:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:43:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:43:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:43:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:43:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:43:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:43:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:43:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:43:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:43:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:43:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:43:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:43:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:43:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:43:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:43:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:43:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:43:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:43:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:43:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:43:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:43:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:43:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:43:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:43:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:43:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:43:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:43:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:43:56,346 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:43:56,347 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:43:56,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:56 BoogieIcfgContainer [2020-07-20 10:43:56,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:43:56,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:43:56,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:43:56,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:43:56,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:43:54" (1/3) ... [2020-07-20 10:43:56,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7ea087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:56, skipping insertion in model container [2020-07-20 10:43:56,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:55" (2/3) ... [2020-07-20 10:43:56,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7ea087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:56, skipping insertion in model container [2020-07-20 10:43:56,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:56" (3/3) ... [2020-07-20 10:43:56,361 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-07-20 10:43:56,373 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:43:56,382 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:43:56,397 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:43:56,424 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:43:56,425 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:43:56,425 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:43:56,425 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:43:56,425 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:43:56,426 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:43:56,426 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:43:56,426 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:43:56,450 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-07-20 10:43:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:43:56,461 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:56,462 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:56,463 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:56,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:56,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1834170296, now seen corresponding path program 1 times [2020-07-20 10:43:56,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:56,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595663227] [2020-07-20 10:43:56,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:43:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:56,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:43:56,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:43:56,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:56,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595663227] [2020-07-20 10:43:56,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:56,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:43:56,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344860171] [2020-07-20 10:43:56,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:43:56,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:56,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:43:56,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:56,809 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2020-07-20 10:43:56,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:56,861 INFO L93 Difference]: Finished difference Result 282 states and 343 transitions. [2020-07-20 10:43:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:43:56,863 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:43:56,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:56,877 INFO L225 Difference]: With dead ends: 282 [2020-07-20 10:43:56,878 INFO L226 Difference]: Without dead ends: 143 [2020-07-20 10:43:56,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:56,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-20 10:43:56,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-20 10:43:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-20 10:43:56,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2020-07-20 10:43:56,942 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2020-07-20 10:43:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:56,943 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2020-07-20 10:43:56,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:43:56,943 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2020-07-20 10:43:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:43:56,947 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:56,948 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:57,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:57,163 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:57,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:57,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1514103119, now seen corresponding path program 1 times [2020-07-20 10:43:57,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:57,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303638936] [2020-07-20 10:43:57,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:43:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:57,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:43:57,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:43:57,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:57,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303638936] [2020-07-20 10:43:57,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:57,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:57,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020900168] [2020-07-20 10:43:57,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:57,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:57,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:57,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:57,434 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 3 states. [2020-07-20 10:43:57,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:57,457 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2020-07-20 10:43:57,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:57,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 10:43:57,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:57,460 INFO L225 Difference]: With dead ends: 218 [2020-07-20 10:43:57,460 INFO L226 Difference]: Without dead ends: 134 [2020-07-20 10:43:57,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 10:43:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-20 10:43:57,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-20 10:43:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-20 10:43:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2020-07-20 10:43:57,477 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2020-07-20 10:43:57,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:57,478 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2020-07-20 10:43:57,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2020-07-20 10:43:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:43:57,481 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:57,481 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:57,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:57,696 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:57,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:57,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1793464780, now seen corresponding path program 1 times [2020-07-20 10:43:57,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:57,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485392248] [2020-07-20 10:43:57,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:43:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:57,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:43:57,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:58,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:58,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485392248] [2020-07-20 10:43:58,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:58,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:58,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842351218] [2020-07-20 10:43:58,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:58,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:58,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:58,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:58,022 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 3 states. [2020-07-20 10:43:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:58,083 INFO L93 Difference]: Finished difference Result 342 states and 402 transitions. [2020-07-20 10:43:58,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:58,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 10:43:58,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:58,094 INFO L225 Difference]: With dead ends: 342 [2020-07-20 10:43:58,094 INFO L226 Difference]: Without dead ends: 236 [2020-07-20 10:43:58,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 10:43:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-07-20 10:43:58,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2020-07-20 10:43:58,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-20 10:43:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 261 transitions. [2020-07-20 10:43:58,153 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 261 transitions. Word has length 65 [2020-07-20 10:43:58,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:58,153 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 261 transitions. [2020-07-20 10:43:58,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 261 transitions. [2020-07-20 10:43:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:43:58,158 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:58,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:58,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:58,376 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:58,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:58,377 INFO L82 PathProgramCache]: Analyzing trace with hash -10520395, now seen corresponding path program 1 times [2020-07-20 10:43:58,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:58,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488563411] [2020-07-20 10:43:58,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:43:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:58,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:58,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:58,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:58,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488563411] [2020-07-20 10:43:58,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:58,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:58,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592921764] [2020-07-20 10:43:58,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:58,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:58,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:58,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:58,659 INFO L87 Difference]: Start difference. First operand 224 states and 261 transitions. Second operand 6 states. [2020-07-20 10:43:58,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:58,906 INFO L93 Difference]: Finished difference Result 538 states and 652 transitions. [2020-07-20 10:43:58,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:43:58,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:43:58,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:58,910 INFO L225 Difference]: With dead ends: 538 [2020-07-20 10:43:58,911 INFO L226 Difference]: Without dead ends: 342 [2020-07-20 10:43:58,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:43:58,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-07-20 10:43:58,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 334. [2020-07-20 10:43:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-07-20 10:43:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 395 transitions. [2020-07-20 10:43:58,941 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 395 transitions. Word has length 70 [2020-07-20 10:43:58,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:58,942 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 395 transitions. [2020-07-20 10:43:58,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:58,942 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 395 transitions. [2020-07-20 10:43:58,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 10:43:58,947 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:58,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:59,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:59,161 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:59,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:59,161 INFO L82 PathProgramCache]: Analyzing trace with hash -762155168, now seen corresponding path program 1 times [2020-07-20 10:43:59,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:59,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358063374] [2020-07-20 10:43:59,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:43:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:59,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:43:59,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:59,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:59,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358063374] [2020-07-20 10:43:59,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:59,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:59,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105052060] [2020-07-20 10:43:59,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:59,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:59,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:59,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:59,426 INFO L87 Difference]: Start difference. First operand 334 states and 395 transitions. Second operand 3 states. [2020-07-20 10:43:59,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:59,479 INFO L93 Difference]: Finished difference Result 938 states and 1175 transitions. [2020-07-20 10:43:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:59,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 10:43:59,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:59,486 INFO L225 Difference]: With dead ends: 938 [2020-07-20 10:43:59,486 INFO L226 Difference]: Without dead ends: 632 [2020-07-20 10:43:59,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:59,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-07-20 10:43:59,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 629. [2020-07-20 10:43:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-07-20 10:43:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 772 transitions. [2020-07-20 10:43:59,534 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 772 transitions. Word has length 103 [2020-07-20 10:43:59,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:59,534 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 772 transitions. [2020-07-20 10:43:59,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 772 transitions. [2020-07-20 10:43:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 10:43:59,538 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:59,538 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:59,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:59,754 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:59,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:59,755 INFO L82 PathProgramCache]: Analyzing trace with hash -516002841, now seen corresponding path program 1 times [2020-07-20 10:43:59,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:59,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1515873168] [2020-07-20 10:43:59,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:43:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:59,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:43:59,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:00,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:00,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1515873168] [2020-07-20 10:44:00,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:00,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:00,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303137660] [2020-07-20 10:44:00,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:00,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:00,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:00,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:00,050 INFO L87 Difference]: Start difference. First operand 629 states and 772 transitions. Second operand 6 states. [2020-07-20 10:44:01,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:01,122 INFO L93 Difference]: Finished difference Result 2058 states and 2717 transitions. [2020-07-20 10:44:01,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:44:01,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2020-07-20 10:44:01,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:01,132 INFO L225 Difference]: With dead ends: 2058 [2020-07-20 10:44:01,133 INFO L226 Difference]: Without dead ends: 1457 [2020-07-20 10:44:01,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:44:01,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2020-07-20 10:44:01,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1347. [2020-07-20 10:44:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-07-20 10:44:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1717 transitions. [2020-07-20 10:44:01,215 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1717 transitions. Word has length 107 [2020-07-20 10:44:01,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:01,216 INFO L479 AbstractCegarLoop]: Abstraction has 1347 states and 1717 transitions. [2020-07-20 10:44:01,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1717 transitions. [2020-07-20 10:44:01,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 10:44:01,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:01,218 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:01,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:01,433 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:01,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:01,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1731736191, now seen corresponding path program 1 times [2020-07-20 10:44:01,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:01,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942166823] [2020-07-20 10:44:01,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:44:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:01,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:01,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:01,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:01,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942166823] [2020-07-20 10:44:01,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:01,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:01,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280217291] [2020-07-20 10:44:01,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:01,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:01,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:01,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:01,659 INFO L87 Difference]: Start difference. First operand 1347 states and 1717 transitions. Second operand 6 states. [2020-07-20 10:44:01,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:01,766 INFO L93 Difference]: Finished difference Result 2708 states and 3622 transitions. [2020-07-20 10:44:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:44:01,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-07-20 10:44:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:01,776 INFO L225 Difference]: With dead ends: 2708 [2020-07-20 10:44:01,777 INFO L226 Difference]: Without dead ends: 1389 [2020-07-20 10:44:01,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 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 10:44:01,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2020-07-20 10:44:01,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1377. [2020-07-20 10:44:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2020-07-20 10:44:01,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1755 transitions. [2020-07-20 10:44:01,882 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1755 transitions. Word has length 103 [2020-07-20 10:44:01,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:01,883 INFO L479 AbstractCegarLoop]: Abstraction has 1377 states and 1755 transitions. [2020-07-20 10:44:01,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1755 transitions. [2020-07-20 10:44:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 10:44:01,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:01,887 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:02,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:02,103 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:02,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:02,104 INFO L82 PathProgramCache]: Analyzing trace with hash 513843263, now seen corresponding path program 1 times [2020-07-20 10:44:02,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:02,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166649702] [2020-07-20 10:44:02,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:44:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:02,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:44:02,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:02,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:02,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1166649702] [2020-07-20 10:44:02,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:02,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:44:02,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984107272] [2020-07-20 10:44:02,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:44:02,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:02,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:44:02,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:02,365 INFO L87 Difference]: Start difference. First operand 1377 states and 1755 transitions. Second operand 5 states. [2020-07-20 10:44:02,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:02,427 INFO L93 Difference]: Finished difference Result 2516 states and 3286 transitions. [2020-07-20 10:44:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:44:02,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-07-20 10:44:02,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:02,437 INFO L225 Difference]: With dead ends: 2516 [2020-07-20 10:44:02,438 INFO L226 Difference]: Without dead ends: 1167 [2020-07-20 10:44:02,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 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 10:44:02,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2020-07-20 10:44:02,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1167. [2020-07-20 10:44:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2020-07-20 10:44:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1471 transitions. [2020-07-20 10:44:02,513 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1471 transitions. Word has length 103 [2020-07-20 10:44:02,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:02,514 INFO L479 AbstractCegarLoop]: Abstraction has 1167 states and 1471 transitions. [2020-07-20 10:44:02,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:44:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1471 transitions. [2020-07-20 10:44:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 10:44:02,519 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:02,519 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:02,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:02,733 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:02,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:02,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1595809660, now seen corresponding path program 1 times [2020-07-20 10:44:02,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:02,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595168054] [2020-07-20 10:44:02,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:44:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:02,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:44:02,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:03,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:03,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:03,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595168054] [2020-07-20 10:44:03,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:03,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:44:03,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989749169] [2020-07-20 10:44:03,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:03,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:03,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:03,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:03,067 INFO L87 Difference]: Start difference. First operand 1167 states and 1471 transitions. Second operand 10 states. [2020-07-20 10:44:04,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:04,674 INFO L93 Difference]: Finished difference Result 3021 states and 4234 transitions. [2020-07-20 10:44:04,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:44:04,675 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2020-07-20 10:44:04,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:04,689 INFO L225 Difference]: With dead ends: 3021 [2020-07-20 10:44:04,689 INFO L226 Difference]: Without dead ends: 1882 [2020-07-20 10:44:04,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:44:04,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2020-07-20 10:44:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1309. [2020-07-20 10:44:04,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1309 states. [2020-07-20 10:44:04,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1603 transitions. [2020-07-20 10:44:04,800 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1603 transitions. Word has length 107 [2020-07-20 10:44:04,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:04,802 INFO L479 AbstractCegarLoop]: Abstraction has 1309 states and 1603 transitions. [2020-07-20 10:44:04,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:04,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1603 transitions. [2020-07-20 10:44:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-07-20 10:44:04,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:04,806 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:44:05,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:05,020 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:05,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:05,020 INFO L82 PathProgramCache]: Analyzing trace with hash 897515431, now seen corresponding path program 1 times [2020-07-20 10:44:05,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:05,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138136022] [2020-07-20 10:44:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:44:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:05,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:44:05,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-20 10:44:05,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:05,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138136022] [2020-07-20 10:44:05,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:05,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:05,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828353073] [2020-07-20 10:44:05,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:05,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:05,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:05,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:05,280 INFO L87 Difference]: Start difference. First operand 1309 states and 1603 transitions. Second operand 3 states. [2020-07-20 10:44:05,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:05,386 INFO L93 Difference]: Finished difference Result 2257 states and 2758 transitions. [2020-07-20 10:44:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:05,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-07-20 10:44:05,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:05,392 INFO L225 Difference]: With dead ends: 2257 [2020-07-20 10:44:05,393 INFO L226 Difference]: Without dead ends: 976 [2020-07-20 10:44:05,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 182 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 10:44:05,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2020-07-20 10:44:05,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 951. [2020-07-20 10:44:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2020-07-20 10:44:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1131 transitions. [2020-07-20 10:44:05,448 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1131 transitions. Word has length 184 [2020-07-20 10:44:05,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:05,448 INFO L479 AbstractCegarLoop]: Abstraction has 951 states and 1131 transitions. [2020-07-20 10:44:05,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1131 transitions. [2020-07-20 10:44:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-20 10:44:05,451 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:05,451 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:44:05,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:05,665 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:05,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:05,666 INFO L82 PathProgramCache]: Analyzing trace with hash 439174861, now seen corresponding path program 1 times [2020-07-20 10:44:05,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:05,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820633622] [2020-07-20 10:44:05,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:44:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:05,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:05,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:05,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:06,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820633622] [2020-07-20 10:44:06,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:06,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:06,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052989467] [2020-07-20 10:44:06,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:06,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:06,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:06,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:06,307 INFO L87 Difference]: Start difference. First operand 951 states and 1131 transitions. Second operand 10 states. [2020-07-20 10:44:07,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:07,312 INFO L93 Difference]: Finished difference Result 1983 states and 2376 transitions. [2020-07-20 10:44:07,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 10:44:07,313 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 151 [2020-07-20 10:44:07,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:07,316 INFO L225 Difference]: With dead ends: 1983 [2020-07-20 10:44:07,316 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:07,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 10:44:07,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:07,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:07,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:07,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:07,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-07-20 10:44:07,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:07,326 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:07,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:07,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:07,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:07,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:07,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:09,690 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2020-07-20 10:44:10,025 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2020-07-20 10:44:10,265 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2020-07-20 10:44:10,601 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2020-07-20 10:44:11,172 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-07-20 10:44:11,442 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-07-20 10:44:11,735 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-07-20 10:44:11,916 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-07-20 10:44:12,093 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-07-20 10:44:12,300 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-07-20 10:44:12,439 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-07-20 10:44:12,699 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 10:44:12,846 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-20 10:44:13,058 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-07-20 10:44:13,739 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2020-07-20 10:44:13,959 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-07-20 10:44:14,205 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2020-07-20 10:44:14,372 INFO L268 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2020-07-20 10:44:14,373 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 228) no Hoare annotation was computed. [2020-07-20 10:44:14,373 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-20 10:44:14,373 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 239) no Hoare annotation was computed. [2020-07-20 10:44:14,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 193 248) no Hoare annotation was computed. [2020-07-20 10:44:14,373 INFO L268 CegarLoopResult]: For program point L240(lines 217 241) no Hoare annotation was computed. [2020-07-20 10:44:14,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 193 248) no Hoare annotation was computed. [2020-07-20 10:44:14,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 193 248) no Hoare annotation was computed. [2020-07-20 10:44:14,374 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-20 10:44:14,374 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 285) no Hoare annotation was computed. [2020-07-20 10:44:14,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 249 308) no Hoare annotation was computed. [2020-07-20 10:44:14,374 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-07-20 10:44:14,374 INFO L268 CegarLoopResult]: For program point L275-2(lines 275 300) no Hoare annotation was computed. [2020-07-20 10:44:14,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 249 308) no Hoare annotation was computed. [2020-07-20 10:44:14,374 INFO L268 CegarLoopResult]: For program point L301(lines 274 302) no Hoare annotation was computed. [2020-07-20 10:44:14,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 249 308) no Hoare annotation was computed. [2020-07-20 10:44:14,375 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-07-20 10:44:14,375 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-20 10:44:14,375 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2020-07-20 10:44:14,375 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2020-07-20 10:44:14,375 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2020-07-20 10:44:14,375 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2020-07-20 10:44:14,375 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2020-07-20 10:44:14,376 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: true [2020-07-20 10:44:14,376 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2020-07-20 10:44:14,376 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2020-07-20 10:44:14,376 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 (not (= 0 ~systemActive~0)) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:14,376 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-20 10:44:14,376 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2020-07-20 10:44:14,377 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2020-07-20 10:44:14,377 INFO L264 CegarLoopResult]: At program point L961(line 961) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 10:44:14,377 INFO L268 CegarLoopResult]: For program point L959(lines 959 965) no Hoare annotation was computed. [2020-07-20 10:44:14,377 INFO L268 CegarLoopResult]: For program point L958(lines 958 968) no Hoare annotation was computed. [2020-07-20 10:44:14,377 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:14,377 INFO L268 CegarLoopResult]: For program point L956-1(line 956) no Hoare annotation was computed. [2020-07-20 10:44:14,378 INFO L268 CegarLoopResult]: For program point L954(lines 954 971) no Hoare annotation was computed. [2020-07-20 10:44:14,378 INFO L268 CegarLoopResult]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2020-07-20 10:44:14,378 INFO L271 CegarLoopResult]: At program point L952(line 952) the Hoare annotation is: true [2020-07-20 10:44:14,378 INFO L268 CegarLoopResult]: For program point L952-1(line 952) no Hoare annotation was computed. [2020-07-20 10:44:14,378 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2020-07-20 10:44:14,378 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2020-07-20 10:44:14,378 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 894 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:14,379 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2020-07-20 10:44:14,379 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2020-07-20 10:44:14,379 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:14,379 INFO L264 CegarLoopResult]: At program point L906-1(line 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:14,379 INFO L268 CegarLoopResult]: For program point L904(lines 904 911) no Hoare annotation was computed. [2020-07-20 10:44:14,379 INFO L268 CegarLoopResult]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2020-07-20 10:44:14,379 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-20 10:44:14,380 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:14,380 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:14,380 INFO L264 CegarLoopResult]: At program point L900-1(line 900) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:14,380 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-20 10:44:14,380 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 10:44:14,380 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 851 874) no Hoare annotation was computed. [2020-07-20 10:44:14,380 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-20 10:44:14,381 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-20 10:44:14,381 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 10:44:14,381 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 851 874) no Hoare annotation was computed. [2020-07-20 10:44:14,381 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-20 10:44:14,381 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 851 874) no Hoare annotation was computed. [2020-07-20 10:44:14,381 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-20 10:44:14,381 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-20 10:44:14,381 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 10:44:14,382 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 10:44:14,382 INFO L268 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-07-20 10:44:14,382 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-20 10:44:14,382 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-20 10:44:14,382 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-20 10:44:14,382 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2020-07-20 10:44:14,382 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 10:44:14,383 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse3 (= 0 ~pumpRunning~0)) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (or .cse3 (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|)) (not (<= ~waterLevel~0 1))))) [2020-07-20 10:44:14,383 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2020-07-20 10:44:14,383 INFO L268 CegarLoopResult]: For program point L692(lines 692 698) no Hoare annotation was computed. [2020-07-20 10:44:14,383 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2020-07-20 10:44:14,383 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2020-07-20 10:44:14,383 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2020-07-20 10:44:14,383 INFO L268 CegarLoopResult]: For program point L640(lines 640 648) no Hoare annotation was computed. [2020-07-20 10:44:14,384 INFO L268 CegarLoopResult]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2020-07-20 10:44:14,384 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-07-20 10:44:14,384 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-07-20 10:44:14,384 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2020-07-20 10:44:14,384 INFO L268 CegarLoopResult]: For program point L652(lines 652 660) no Hoare annotation was computed. [2020-07-20 10:44:14,384 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2020-07-20 10:44:14,384 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2020-07-20 10:44:14,384 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2020-07-20 10:44:14,385 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2020-07-20 10:44:14,385 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2020-07-20 10:44:14,385 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 147 192) no Hoare annotation was computed. [2020-07-20 10:44:14,385 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 147 192) no Hoare annotation was computed. [2020-07-20 10:44:14,385 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 147 192) no Hoare annotation was computed. [2020-07-20 10:44:14,385 INFO L268 CegarLoopResult]: For program point L480(lines 480 487) no Hoare annotation was computed. [2020-07-20 10:44:14,385 INFO L268 CegarLoopResult]: For program point L474(lines 474 494) no Hoare annotation was computed. [2020-07-20 10:44:14,385 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 460 505) no Hoare annotation was computed. [2020-07-20 10:44:14,385 INFO L268 CegarLoopResult]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2020-07-20 10:44:14,386 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 460 505) no Hoare annotation was computed. [2020-07-20 10:44:14,386 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 460 505) no Hoare annotation was computed. [2020-07-20 10:44:14,386 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:14,386 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2020-07-20 10:44:14,386 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:14,386 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2020-07-20 10:44:14,386 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2020-07-20 10:44:14,387 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2020-07-20 10:44:14,387 INFO L271 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: true [2020-07-20 10:44:14,387 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-07-20 10:44:14,387 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2020-07-20 10:44:14,387 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 10:44:14,387 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2020-07-20 10:44:14,387 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2020-07-20 10:44:14,387 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-20 10:44:14,388 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-20 10:44:14,388 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-20 10:44:14,388 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-20 10:44:14,388 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:14,388 INFO L268 CegarLoopResult]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2020-07-20 10:44:14,388 INFO L264 CegarLoopResult]: At program point L568(line 568) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 processEnvironment_~tmp~3) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:14,388 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2020-07-20 10:44:14,389 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:14,389 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:14,389 INFO L268 CegarLoopResult]: For program point L562(lines 562 570) no Hoare annotation was computed. [2020-07-20 10:44:14,389 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:14,389 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-07-20 10:44:14,389 INFO L268 CegarLoopResult]: For program point L558(lines 558 575) no Hoare annotation was computed. [2020-07-20 10:44:14,389 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2020-07-20 10:44:14,390 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2020-07-20 10:44:14,390 INFO L264 CegarLoopResult]: At program point testENTRY(lines 713 780) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:14,390 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:14,390 INFO L268 CegarLoopResult]: For program point L733(lines 733 739) no Hoare annotation was computed. [2020-07-20 10:44:14,390 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2020-07-20 10:44:14,390 INFO L268 CegarLoopResult]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2020-07-20 10:44:14,391 INFO L268 CegarLoopResult]: For program point L725(lines 725 729) no Hoare annotation was computed. [2020-07-20 10:44:14,391 INFO L264 CegarLoopResult]: At program point L773(lines 722 774) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:14,391 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:14,391 INFO L268 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2020-07-20 10:44:14,391 INFO L264 CegarLoopResult]: At program point L761-1(lines 753 768) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:14,391 INFO L268 CegarLoopResult]: For program point L724(lines 723 772) no Hoare annotation was computed. [2020-07-20 10:44:14,392 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:14,392 INFO L268 CegarLoopResult]: For program point L753(lines 753 768) no Hoare annotation was computed. [2020-07-20 10:44:14,392 INFO L264 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:14,392 INFO L268 CegarLoopResult]: For program point L743(lines 743 749) no Hoare annotation was computed. [2020-07-20 10:44:14,392 INFO L268 CegarLoopResult]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2020-07-20 10:44:14,392 INFO L268 CegarLoopResult]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2020-07-20 10:44:14,393 INFO L264 CegarLoopResult]: At program point L770(lines 723 772) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:14,393 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 414 459) no Hoare annotation was computed. [2020-07-20 10:44:14,393 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 414 459) no Hoare annotation was computed. [2020-07-20 10:44:14,393 INFO L268 CegarLoopResult]: For program point L434(lines 434 441) no Hoare annotation was computed. [2020-07-20 10:44:14,393 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 414 459) no Hoare annotation was computed. [2020-07-20 10:44:14,393 INFO L268 CegarLoopResult]: For program point L428(lines 428 448) no Hoare annotation was computed. [2020-07-20 10:44:14,393 INFO L268 CegarLoopResult]: For program point L428-1(lines 428 448) no Hoare annotation was computed. [2020-07-20 10:44:14,393 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:14,394 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2020-07-20 10:44:14,394 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2020-07-20 10:44:14,394 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:44:14,394 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-20 10:44:14,394 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:44:14,394 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:44:14,394 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-20 10:44:14,394 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 311 413) no Hoare annotation was computed. [2020-07-20 10:44:14,394 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-07-20 10:44:14,395 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-20 10:44:14,395 INFO L268 CegarLoopResult]: For program point L335(lines 335 339) no Hoare annotation was computed. [2020-07-20 10:44:14,395 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-20 10:44:14,395 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-07-20 10:44:14,395 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 380) no Hoare annotation was computed. [2020-07-20 10:44:14,395 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 311 413) no Hoare annotation was computed. [2020-07-20 10:44:14,395 INFO L268 CegarLoopResult]: For program point L381(lines 359 382) no Hoare annotation was computed. [2020-07-20 10:44:14,395 INFO L268 CegarLoopResult]: For program point L340(lines 340 356) no Hoare annotation was computed. [2020-07-20 10:44:14,396 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 311 413) no Hoare annotation was computed. [2020-07-20 10:44:14,396 INFO L268 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-07-20 10:44:14,396 INFO L268 CegarLoopResult]: For program point L361(lines 360 380) no Hoare annotation was computed. [2020-07-20 10:44:14,396 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 10:44:14,396 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-07-20 10:44:14,396 INFO L268 CegarLoopResult]: For program point L357(lines 357 398) no Hoare annotation was computed. [2020-07-20 10:44:14,396 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 786 795) no Hoare annotation was computed. [2020-07-20 10:44:14,396 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 786 795) no Hoare annotation was computed. [2020-07-20 10:44:14,397 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 786 795) no Hoare annotation was computed. [2020-07-20 10:44:14,397 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:14,397 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 10:44:14,397 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:14,397 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:14,397 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-20 10:44:14,397 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2020-07-20 10:44:14,398 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:14,398 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:14,398 INFO L268 CegarLoopResult]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2020-07-20 10:44:14,398 INFO L268 CegarLoopResult]: For program point L595(lines 595 601) no Hoare annotation was computed. [2020-07-20 10:44:14,398 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-20 10:44:14,398 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-20 10:44:14,398 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-20 10:44:14,398 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2020-07-20 10:44:14,398 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-07-20 10:44:14,399 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2020-07-20 10:44:14,399 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2020-07-20 10:44:14,399 INFO L271 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: true [2020-07-20 10:44:14,399 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2020-07-20 10:44:14,399 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-07-20 10:44:14,399 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-20 10:44:14,399 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-20 10:44:14,399 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-20 10:44:14,400 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:14,400 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:14,400 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:14,400 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-20 10:44:14,400 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-20 10:44:14,400 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-20 10:44:14,400 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse2 (and .cse5 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 (and .cse4 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse6) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:14,401 INFO L264 CegarLoopResult]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (and .cse9 .cse0 .cse1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and (<= ~waterLevel~0 2) .cse0 .cse1) .cse2 .cse3 .cse4) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse6 .cse7 (and .cse8 .cse9 .cse10)) (or .cse5 .cse11 .cse2 .cse3) (let ((.cse12 (<= 2 ~waterLevel~0))) (or .cse6 (and .cse12 .cse9 .cse0) .cse3 (and .cse12 .cse9 .cse10) .cse4 .cse13)) (or .cse5 .cse6 .cse11 .cse3) (or .cse6 .cse7 (and .cse8 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse10) .cse4 .cse13)))) [2020-07-20 10:44:14,401 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-20 10:44:14,401 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse10 (not (= 0 ~systemActive~0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse8 .cse12 .cse2)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse7 .cse3 .cse4 (and .cse8 .cse1 .cse2)) (or .cse9 .cse10 .cse11 .cse5) (or .cse3 (and .cse0 .cse12 .cse2) .cse11 .cse5) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse10 .cse11 (<= 1 ~switchedOnBeforeTS~0) .cse5) (or .cse7 .cse3 .cse9 .cse11) (or .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse5)))) [2020-07-20 10:44:14,401 INFO L268 CegarLoopResult]: For program point L526(lines 522 544) no Hoare annotation was computed. [2020-07-20 10:44:14,401 INFO L268 CegarLoopResult]: For program point L524(lines 522 544) no Hoare annotation was computed. [2020-07-20 10:44:14,401 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2020-07-20 10:44:14,402 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2020-07-20 10:44:14,402 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-20 10:44:14,402 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2020-07-20 10:44:14,402 INFO L271 CegarLoopResult]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2020-07-20 10:44:14,402 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2020-07-20 10:44:14,402 INFO L271 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: true [2020-07-20 10:44:14,402 INFO L268 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-07-20 10:44:14,402 INFO L271 CegarLoopResult]: At program point L846(lines 821 850) the Hoare annotation is: true [2020-07-20 10:44:14,402 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-20 10:44:14,403 INFO L268 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-07-20 10:44:14,403 INFO L271 CegarLoopResult]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2020-07-20 10:44:14,403 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 10:44:14,403 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-20 10:44:14,403 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-20 10:44:14,403 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2020-07-20 10:44:14,403 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2020-07-20 10:44:14,403 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:14,404 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:44:14,404 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:14,404 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:14,404 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2020-07-20 10:44:14,404 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:44:14,404 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2020-07-20 10:44:14,404 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-20 10:44:14,404 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-20 10:44:14,404 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse7))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse2) (or .cse4 .cse0 .cse1 .cse6) (or .cse4 .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6)))) [2020-07-20 10:44:14,405 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-20 10:44:14,405 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-20 10:44:14,405 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-20 10:44:14,405 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-20 10:44:14,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:14 BoogieIcfgContainer [2020-07-20 10:44:14,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:14,425 INFO L168 Benchmark]: Toolchain (without parser) took 19973.09 ms. Allocated memory was 145.8 MB in the beginning and 456.1 MB in the end (delta: 310.4 MB). Free memory was 103.0 MB in the beginning and 124.2 MB in the end (delta: -21.2 MB). Peak memory consumption was 324.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:14,426 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:14,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.96 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.6 MB in the beginning and 173.6 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:14,427 INFO L168 Benchmark]: Boogie Preprocessor took 125.24 ms. Allocated memory is still 203.9 MB. Free memory was 173.6 MB in the beginning and 168.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:14,428 INFO L168 Benchmark]: RCFGBuilder took 1166.10 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.5 MB in the beginning and 195.7 MB in the end (delta: -27.2 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:14,428 INFO L168 Benchmark]: TraceAbstraction took 18069.88 ms. Allocated memory was 236.5 MB in the beginning and 456.1 MB in the end (delta: 219.7 MB). Free memory was 195.7 MB in the beginning and 124.2 MB in the end (delta: 71.6 MB). Peak memory consumption was 327.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:14,432 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 605.96 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.6 MB in the beginning and 173.6 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.24 ms. Allocated memory is still 203.9 MB. Free memory was 173.6 MB in the beginning and 168.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.10 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.5 MB in the beginning and 195.7 MB in the end (delta: -27.2 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18069.88 ms. Allocated memory was 236.5 MB in the beginning and 456.1 MB in the end (delta: 219.7 MB). Free memory was 195.7 MB in the beginning and 124.2 MB in the end (delta: 71.6 MB). Peak memory consumption was 327.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 723]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.1s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2065 SDtfs, 1385 SDslu, 3506 SDs, 0 SdLazy, 2490 SolverSat, 585 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1278 GetRequests, 1211 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1377occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 743 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3302 PreInvPairs, 3451 NumberOfFragments, 1966 HoareAnnotationTreeSize, 3302 FomulaSimplifications, 7736 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 13461 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1112 NumberOfCodeBlocks, 1112 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1251 ConstructedInterpolants, 0 QuantifiedInterpolants, 274551 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8866 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 188/206 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...