/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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:43:52,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:43:52,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:43:52,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:43:52,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:43:52,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:43:52,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:43:52,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:43:52,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:43:52,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:43:52,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:43:52,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:43:52,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:43:52,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:43:52,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:43:52,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:43:52,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:43:52,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:43:52,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:43:52,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:43:52,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:43:52,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:43:52,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:43:52,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:43:52,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:43:52,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:43:52,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:43:52,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:43:52,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:43:52,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:43:52,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:43:52,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:43:52,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:43:52,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:43:52,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:43:52,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:43:52,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:43:52,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:43:52,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:43:52,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:43:52,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:43:52,096 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 10:43:52,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:43:52,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:43:52,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:43:52,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:43:52,123 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:43:52,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:43:52,123 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:43:52,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:43:52,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:43:52,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:43:52,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:43:52,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:43:52,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:43:52,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:43:52,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:43:52,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:43:52,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:43:52,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:43:52,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:43:52,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:43:52,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:43:52,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:43:52,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:43:52,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:43:52,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:43:52,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:43:52,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:52,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:43:52,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:43:52,130 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 10:43:52,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:43:52,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:43:52,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:43:52,425 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:43:52,425 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:43:52,426 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-07-20 10:43:52,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2dafbfd2/a9d1fd05861b48fbb00735d3897b8f8d/FLAGc5e00e25c [2020-07-20 10:43:53,044 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:43:53,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-07-20 10:43:53,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2dafbfd2/a9d1fd05861b48fbb00735d3897b8f8d/FLAGc5e00e25c [2020-07-20 10:43:53,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2dafbfd2/a9d1fd05861b48fbb00735d3897b8f8d [2020-07-20 10:43:53,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:43:53,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:43:53,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:53,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:43:53,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:43:53,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:53" (1/1) ... [2020-07-20 10:43:53,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc8bdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:53, skipping insertion in model container [2020-07-20 10:43:53,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:53" (1/1) ... [2020-07-20 10:43:53,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:43:53,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:43:53,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:53,881 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:43:53,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:54,029 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:43:54,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54 WrapperNode [2020-07-20 10:43:54,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:54,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:43:54,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:43:54,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:43:54,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54" (1/1) ... [2020-07-20 10:43:54,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54" (1/1) ... [2020-07-20 10:43:54,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54" (1/1) ... [2020-07-20 10:43:54,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54" (1/1) ... [2020-07-20 10:43:54,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54" (1/1) ... [2020-07-20 10:43:54,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54" (1/1) ... [2020-07-20 10:43:54,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54" (1/1) ... [2020-07-20 10:43:54,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:43:54,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:43:54,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:43:54,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:43:54,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54" (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 10:43:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:43:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:43:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:43:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:43:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:43:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:43:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:43:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:43:54,193 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:43:54,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:43:54,193 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:43:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:43:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:43:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:43:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:43:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:43:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:43:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:43:54,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:43:54,196 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:43:54,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:43:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:43:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:43:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:43:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:43:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:43:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:43:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:43:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:43:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:43:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:43:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:43:54,200 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:43:54,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:43:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:43:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:43:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:43:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:43:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:43:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:43:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:43:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:43:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:43:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:43:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:43:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:43:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:43:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:43:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:43:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:43:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:43:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:43:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:43:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:43:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:43:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:43:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:43:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:43:54,205 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:43:54,205 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:43:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:43:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:43:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:43:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:43:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:43:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:43:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:43:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:43:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:43:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:43:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:43:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:43:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:43:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:43:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:43:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:43:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:43:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:43:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:43:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:43:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:43:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:43:55,253 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:43:55,253 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:43:55,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:55 BoogieIcfgContainer [2020-07-20 10:43:55,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:43:55,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:43:55,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:43:55,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:43:55,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:43:53" (1/3) ... [2020-07-20 10:43:55,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e39f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:55, skipping insertion in model container [2020-07-20 10:43:55,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:54" (2/3) ... [2020-07-20 10:43:55,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e39f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:55, skipping insertion in model container [2020-07-20 10:43:55,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:55" (3/3) ... [2020-07-20 10:43:55,274 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-07-20 10:43:55,285 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:43:55,295 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:43:55,311 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:43:55,340 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:43:55,340 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:43:55,340 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:43:55,340 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:43:55,341 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:43:55,341 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:43:55,341 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:43:55,341 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:43:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-07-20 10:43:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:43:55,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:55,376 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 10:43:55,376 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:55,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:55,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1951083148, now seen corresponding path program 1 times [2020-07-20 10:43:55,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:55,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759530739] [2020-07-20 10:43:55,394 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 10:43:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:55,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:43:55,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:55,716 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 10:43:55,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:55,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759530739] [2020-07-20 10:43:55,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:55,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:43:55,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288352764] [2020-07-20 10:43:55,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:43:55,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:55,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:43:55,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:55,745 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2020-07-20 10:43:55,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:55,790 INFO L93 Difference]: Finished difference Result 274 states and 335 transitions. [2020-07-20 10:43:55,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:43:55,792 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:43:55,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:55,805 INFO L225 Difference]: With dead ends: 274 [2020-07-20 10:43:55,805 INFO L226 Difference]: Without dead ends: 139 [2020-07-20 10:43:55,810 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 10:43:55,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-20 10:43:55,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-07-20 10:43:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-20 10:43:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 161 transitions. [2020-07-20 10:43:55,879 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 161 transitions. Word has length 59 [2020-07-20 10:43:55,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:55,879 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 161 transitions. [2020-07-20 10:43:55,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:43:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 161 transitions. [2020-07-20 10:43:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:43:55,888 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:55,889 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 10:43:56,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:56,104 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:56,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:56,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1220523940, now seen corresponding path program 1 times [2020-07-20 10:43:56,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:56,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422311405] [2020-07-20 10:43:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 10:43:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:56,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:43:56,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:56,382 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 10:43:56,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:56,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422311405] [2020-07-20 10:43:56,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:56,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:56,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937336720] [2020-07-20 10:43:56,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:56,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:56,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:56,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:56,386 INFO L87 Difference]: Start difference. First operand 139 states and 161 transitions. Second operand 3 states. [2020-07-20 10:43:56,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:56,409 INFO L93 Difference]: Finished difference Result 214 states and 247 transitions. [2020-07-20 10:43:56,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:56,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 10:43:56,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:56,413 INFO L225 Difference]: With dead ends: 214 [2020-07-20 10:43:56,413 INFO L226 Difference]: Without dead ends: 130 [2020-07-20 10:43:56,415 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 10:43:56,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-20 10:43:56,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-20 10:43:56,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-20 10:43:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2020-07-20 10:43:56,432 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 60 [2020-07-20 10:43:56,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:56,432 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2020-07-20 10:43:56,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2020-07-20 10:43:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 10:43:56,435 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:56,435 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:56,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:56,650 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:56,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:56,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1125066517, now seen corresponding path program 1 times [2020-07-20 10:43:56,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:56,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090031299] [2020-07-20 10:43:56,651 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 10:43:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:56,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:43:56,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:56,851 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 10:43:56,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:56,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090031299] [2020-07-20 10:43:56,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:56,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:56,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422279493] [2020-07-20 10:43:56,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:56,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:56,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:56,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:56,854 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand 3 states. [2020-07-20 10:43:56,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:56,879 INFO L93 Difference]: Finished difference Result 332 states and 391 transitions. [2020-07-20 10:43:56,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:56,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 10:43:56,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:56,884 INFO L225 Difference]: With dead ends: 332 [2020-07-20 10:43:56,885 INFO L226 Difference]: Without dead ends: 230 [2020-07-20 10:43:56,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:56,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-07-20 10:43:56,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 220. [2020-07-20 10:43:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-20 10:43:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 257 transitions. [2020-07-20 10:43:56,930 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 257 transitions. Word has length 64 [2020-07-20 10:43:56,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:56,931 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 257 transitions. [2020-07-20 10:43:56,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:56,933 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 257 transitions. [2020-07-20 10:43:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:43:56,936 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:56,936 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 10:43:57,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:57,150 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:57,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:57,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1836372268, now seen corresponding path program 1 times [2020-07-20 10:43:57,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:57,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982167814] [2020-07-20 10:43:57,152 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 10:43:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:57,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:57,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:57,416 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 10:43:57,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:57,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982167814] [2020-07-20 10:43:57,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:57,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:57,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575406959] [2020-07-20 10:43:57,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:57,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:57,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:57,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:57,419 INFO L87 Difference]: Start difference. First operand 220 states and 257 transitions. Second operand 6 states. [2020-07-20 10:43:57,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:57,704 INFO L93 Difference]: Finished difference Result 526 states and 640 transitions. [2020-07-20 10:43:57,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:43:57,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:43:57,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:57,713 INFO L225 Difference]: With dead ends: 526 [2020-07-20 10:43:57,714 INFO L226 Difference]: Without dead ends: 334 [2020-07-20 10:43:57,715 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 10:43:57,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-20 10:43:57,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 326. [2020-07-20 10:43:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-07-20 10:43:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 387 transitions. [2020-07-20 10:43:57,760 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 387 transitions. Word has length 70 [2020-07-20 10:43:57,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:57,760 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 387 transitions. [2020-07-20 10:43:57,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 387 transitions. [2020-07-20 10:43:57,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 10:43:57,764 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:57,764 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] [2020-07-20 10:43:57,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:57,980 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:57,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:57,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1329110427, now seen corresponding path program 1 times [2020-07-20 10:43:57,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:57,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401102309] [2020-07-20 10:43:57,982 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 10:43:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:58,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:43:58,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:58,210 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 10:43:58,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:58,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401102309] [2020-07-20 10:43:58,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:58,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:58,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699466037] [2020-07-20 10:43:58,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:58,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:58,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:58,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:58,213 INFO L87 Difference]: Start difference. First operand 326 states and 387 transitions. Second operand 3 states. [2020-07-20 10:43:58,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:58,256 INFO L93 Difference]: Finished difference Result 914 states and 1151 transitions. [2020-07-20 10:43:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:58,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-07-20 10:43:58,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:58,262 INFO L225 Difference]: With dead ends: 914 [2020-07-20 10:43:58,263 INFO L226 Difference]: Without dead ends: 616 [2020-07-20 10:43:58,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 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 10:43:58,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2020-07-20 10:43:58,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 613. [2020-07-20 10:43:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-07-20 10:43:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 756 transitions. [2020-07-20 10:43:58,309 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 756 transitions. Word has length 102 [2020-07-20 10:43:58,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:58,309 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 756 transitions. [2020-07-20 10:43:58,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 756 transitions. [2020-07-20 10:43:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-20 10:43:58,313 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:58,313 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] [2020-07-20 10:43:58,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:58,528 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:58,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:58,529 INFO L82 PathProgramCache]: Analyzing trace with hash 315126870, now seen corresponding path program 1 times [2020-07-20 10:43:58,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:58,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086484122] [2020-07-20 10:43:58,530 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 10:43:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:58,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:43:58,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:58,768 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 10:43:58,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:58,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086484122] [2020-07-20 10:43:58,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:58,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:58,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891472793] [2020-07-20 10:43:58,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:58,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:58,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:58,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:58,771 INFO L87 Difference]: Start difference. First operand 613 states and 756 transitions. Second operand 6 states. [2020-07-20 10:43:59,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:59,977 INFO L93 Difference]: Finished difference Result 1988 states and 2639 transitions. [2020-07-20 10:43:59,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:43:59,978 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2020-07-20 10:43:59,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:59,989 INFO L225 Difference]: With dead ends: 1988 [2020-07-20 10:43:59,990 INFO L226 Difference]: Without dead ends: 1403 [2020-07-20 10:43:59,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 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 10:43:59,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2020-07-20 10:44:00,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1297. [2020-07-20 10:44:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1297 states. [2020-07-20 10:44:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1663 transitions. [2020-07-20 10:44:00,087 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1663 transitions. Word has length 106 [2020-07-20 10:44:00,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:00,088 INFO L479 AbstractCegarLoop]: Abstraction has 1297 states and 1663 transitions. [2020-07-20 10:44:00,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:00,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1663 transitions. [2020-07-20 10:44:00,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 10:44:00,093 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:00,094 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] [2020-07-20 10:44:00,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:00,307 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:00,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:00,308 INFO L82 PathProgramCache]: Analyzing trace with hash 359529404, now seen corresponding path program 1 times [2020-07-20 10:44:00,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:00,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636209766] [2020-07-20 10:44:00,309 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 10:44:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:00,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:00,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:00,525 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 10:44:00,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:00,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636209766] [2020-07-20 10:44:00,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:00,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:00,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574710384] [2020-07-20 10:44:00,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:00,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:00,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:00,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:00,529 INFO L87 Difference]: Start difference. First operand 1297 states and 1663 transitions. Second operand 6 states. [2020-07-20 10:44:00,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:00,626 INFO L93 Difference]: Finished difference Result 2608 states and 3510 transitions. [2020-07-20 10:44:00,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:44:00,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2020-07-20 10:44:00,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:00,636 INFO L225 Difference]: With dead ends: 2608 [2020-07-20 10:44:00,636 INFO L226 Difference]: Without dead ends: 1339 [2020-07-20 10:44:00,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 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 10:44:00,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-07-20 10:44:00,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1327. [2020-07-20 10:44:00,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1327 states. [2020-07-20 10:44:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1701 transitions. [2020-07-20 10:44:00,768 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1701 transitions. Word has length 102 [2020-07-20 10:44:00,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:00,768 INFO L479 AbstractCegarLoop]: Abstraction has 1327 states and 1701 transitions. [2020-07-20 10:44:00,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1701 transitions. [2020-07-20 10:44:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 10:44:00,770 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:00,770 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] [2020-07-20 10:44:00,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:00,971 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:00,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:00,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1689858438, now seen corresponding path program 1 times [2020-07-20 10:44:00,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:00,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030829353] [2020-07-20 10:44:00,972 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 10:44:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:01,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:44:01,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:01,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:01,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030829353] [2020-07-20 10:44:01,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:01,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:44:01,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089236222] [2020-07-20 10:44:01,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:44:01,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:01,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:44:01,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:01,188 INFO L87 Difference]: Start difference. First operand 1327 states and 1701 transitions. Second operand 5 states. [2020-07-20 10:44:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:01,251 INFO L93 Difference]: Finished difference Result 2420 states and 3181 transitions. [2020-07-20 10:44:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:44:01,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-07-20 10:44:01,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:01,258 INFO L225 Difference]: With dead ends: 2420 [2020-07-20 10:44:01,258 INFO L226 Difference]: Without dead ends: 1121 [2020-07-20 10:44:01,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 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 10:44:01,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2020-07-20 10:44:01,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1121. [2020-07-20 10:44:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2020-07-20 10:44:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1422 transitions. [2020-07-20 10:44:01,323 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1422 transitions. Word has length 102 [2020-07-20 10:44:01,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:01,324 INFO L479 AbstractCegarLoop]: Abstraction has 1121 states and 1422 transitions. [2020-07-20 10:44:01,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:44:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1422 transitions. [2020-07-20 10:44:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-20 10:44:01,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:01,327 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] [2020-07-20 10:44:01,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:01,542 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:01,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:01,543 INFO L82 PathProgramCache]: Analyzing trace with hash -764679949, now seen corresponding path program 1 times [2020-07-20 10:44:01,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:01,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968135001] [2020-07-20 10:44:01,544 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 10:44:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:01,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:44:01,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:01,820 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 10:44:01,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:01,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968135001] [2020-07-20 10:44:01,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:01,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:44:01,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808749354] [2020-07-20 10:44:01,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:01,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:01,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:01,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:01,823 INFO L87 Difference]: Start difference. First operand 1121 states and 1422 transitions. Second operand 10 states. [2020-07-20 10:44:03,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:03,218 INFO L93 Difference]: Finished difference Result 2879 states and 4051 transitions. [2020-07-20 10:44:03,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:44:03,219 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2020-07-20 10:44:03,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:03,234 INFO L225 Difference]: With dead ends: 2879 [2020-07-20 10:44:03,234 INFO L226 Difference]: Without dead ends: 1786 [2020-07-20 10:44:03,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:44:03,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2020-07-20 10:44:03,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1247. [2020-07-20 10:44:03,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1247 states. [2020-07-20 10:44:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1539 transitions. [2020-07-20 10:44:03,344 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1539 transitions. Word has length 106 [2020-07-20 10:44:03,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:03,345 INFO L479 AbstractCegarLoop]: Abstraction has 1247 states and 1539 transitions. [2020-07-20 10:44:03,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1539 transitions. [2020-07-20 10:44:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-20 10:44:03,350 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:03,350 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:03,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:03,566 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:03,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:03,566 INFO L82 PathProgramCache]: Analyzing trace with hash -295881815, now seen corresponding path program 1 times [2020-07-20 10:44:03,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:03,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060549702] [2020-07-20 10:44:03,568 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 10:44:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:03,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:44:03,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:03,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:03,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060549702] [2020-07-20 10:44:03,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:03,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:03,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639756073] [2020-07-20 10:44:03,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:03,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:03,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:03,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:03,803 INFO L87 Difference]: Start difference. First operand 1247 states and 1539 transitions. Second operand 3 states. [2020-07-20 10:44:03,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:03,911 INFO L93 Difference]: Finished difference Result 1622 states and 1998 transitions. [2020-07-20 10:44:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:03,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-07-20 10:44:03,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:03,916 INFO L225 Difference]: With dead ends: 1622 [2020-07-20 10:44:03,916 INFO L226 Difference]: Without dead ends: 534 [2020-07-20 10:44:03,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 145 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 10:44:03,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-07-20 10:44:03,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 516. [2020-07-20 10:44:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-07-20 10:44:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 615 transitions. [2020-07-20 10:44:03,944 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 615 transitions. Word has length 147 [2020-07-20 10:44:03,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:03,944 INFO L479 AbstractCegarLoop]: Abstraction has 516 states and 615 transitions. [2020-07-20 10:44:03,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 615 transitions. [2020-07-20 10:44:03,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 10:44:03,946 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:03,946 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:44:04,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:04,160 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:04,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:04,161 INFO L82 PathProgramCache]: Analyzing trace with hash -60868023, now seen corresponding path program 1 times [2020-07-20 10:44:04,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:04,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162437829] [2020-07-20 10:44:04,161 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 10:44:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:04,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:04,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:04,403 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:04,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:04,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162437829] [2020-07-20 10:44:04,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:04,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:04,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746037707] [2020-07-20 10:44:04,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:04,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:04,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:04,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:04,801 INFO L87 Difference]: Start difference. First operand 516 states and 615 transitions. Second operand 10 states. [2020-07-20 10:44:05,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:05,427 INFO L93 Difference]: Finished difference Result 960 states and 1158 transitions. [2020-07-20 10:44:05,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 10:44:05,428 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149 [2020-07-20 10:44:05,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:05,429 INFO L225 Difference]: With dead ends: 960 [2020-07-20 10:44:05,429 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:05,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-20 10:44:05,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:05,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:05,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-07-20 10:44:05,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:05,433 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:05,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:05,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:05,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:05,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:05,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:07,052 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-07-20 10:44:07,391 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2020-07-20 10:44:07,634 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2020-07-20 10:44:07,857 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2020-07-20 10:44:08,095 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-07-20 10:44:08,487 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2020-07-20 10:44:08,834 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-07-20 10:44:09,185 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-07-20 10:44:09,550 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2020-07-20 10:44:10,038 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 10:44:10,301 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 10:44:10,441 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2020-07-20 10:44:10,895 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-07-20 10:44:11,156 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:44:11,157 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:44:11,157 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 10:44:11,157 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 10:44:11,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:44:11,157 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 10:44:11,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:44:11,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:44:11,157 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 10:44:11,158 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 10:44:11,158 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:44:11,158 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:44:11,158 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:44:11,158 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 10:44:11,159 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:44:11,159 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 10:44:11,159 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:44:11,159 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 10:44:11,159 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 940 946) the Hoare annotation is: true [2020-07-20 10:44:11,159 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 940 946) no Hoare annotation was computed. [2020-07-20 10:44:11,159 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 947 955) no Hoare annotation was computed. [2020-07-20 10:44:11,160 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 947 955) the Hoare annotation is: true [2020-07-20 10:44:11,160 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 947 955) no Hoare annotation was computed. [2020-07-20 10:44:11,160 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 874 881) the Hoare annotation is: true [2020-07-20 10:44:11,160 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 874 881) no Hoare annotation was computed. [2020-07-20 10:44:11,160 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 874 881) no Hoare annotation was computed. [2020-07-20 10:44:11,160 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 882 891) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= ~waterLevel~0 2)) (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-20 10:44:11,160 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 882 891) no Hoare annotation was computed. [2020-07-20 10:44:11,161 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-20 10:44:11,161 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 882 891) no Hoare annotation was computed. [2020-07-20 10:44:11,161 INFO L268 CegarLoopResult]: For program point L898-1(line 898) no Hoare annotation was computed. [2020-07-20 10:44:11,161 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 892 920) the Hoare annotation is: true [2020-07-20 10:44:11,161 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 892 920) no Hoare annotation was computed. [2020-07-20 10:44:11,161 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1) (or .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse4) (or .cse2 .cse0 .cse5 .cse1) (or (not (<= 1 ~waterLevel~0)) .cse2 .cse3 .cse1) (or .cse2 .cse0 .cse5 .cse4))) [2020-07-20 10:44:11,162 INFO L268 CegarLoopResult]: For program point L905(lines 905 911) no Hoare annotation was computed. [2020-07-20 10:44:11,162 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-07-20 10:44:11,162 INFO L264 CegarLoopResult]: At program point L902(line 902) 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 10:44:11,162 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-07-20 10:44:11,162 INFO L268 CegarLoopResult]: For program point L900(lines 900 917) no Hoare annotation was computed. [2020-07-20 10:44:11,162 INFO L268 CegarLoopResult]: For program point L900-1(lines 892 920) no Hoare annotation was computed. [2020-07-20 10:44:11,162 INFO L271 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: true [2020-07-20 10:44:11,163 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) 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 10:44:11,163 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-20 10:44:11,163 INFO L264 CegarLoopResult]: At program point L500(line 500) 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 10:44:11,163 INFO L264 CegarLoopResult]: At program point L500-1(line 500) 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 10:44:11,163 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-20 10:44:11,163 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-20 10:44:11,164 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 10:44:11,164 INFO L264 CegarLoopResult]: At program point L495(line 495) 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 10:44:11,164 INFO L264 CegarLoopResult]: At program point L494(line 494) 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 10:44:11,164 INFO L264 CegarLoopResult]: At program point L494-1(line 494) 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 10:44:11,164 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-20 10:44:11,164 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 10:44:11,165 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 10:44:11,165 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:44:11,165 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-20 10:44:11,165 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 10:44:11,165 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:44:11,165 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:44:11,165 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 10:44:11,165 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 10:44:11,166 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 10:44:11,166 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 10:44:11,166 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 10:44:11,166 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 10:44:11,166 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 10:44:11,166 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 10:44:11,166 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 10:44:11,166 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-20 10:44:11,166 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 761 775) no Hoare annotation was computed. [2020-07-20 10:44:11,167 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:44:11,167 INFO L268 CegarLoopResult]: For program point L765(lines 765 771) no Hoare annotation was computed. [2020-07-20 10:44:11,167 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 761 775) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:11,167 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 761 775) no Hoare annotation was computed. [2020-07-20 10:44:11,167 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 697 705) no Hoare annotation was computed. [2020-07-20 10:44:11,167 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 697 705) the Hoare annotation is: true [2020-07-20 10:44:11,167 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 697 705) no Hoare annotation was computed. [2020-07-20 10:44:11,168 INFO L268 CegarLoopResult]: For program point L736(line 736) no Hoare annotation was computed. [2020-07-20 10:44:11,168 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-07-20 10:44:11,168 INFO L268 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-07-20 10:44:11,168 INFO L268 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-07-20 10:44:11,168 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 706 741) no Hoare annotation was computed. [2020-07-20 10:44:11,168 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-07-20 10:44:11,168 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2020-07-20 10:44:11,168 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 706 741) no Hoare annotation was computed. [2020-07-20 10:44:11,169 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 706 741) no Hoare annotation was computed. [2020-07-20 10:44:11,169 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 933 939) no Hoare annotation was computed. [2020-07-20 10:44:11,169 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 933 939) the Hoare annotation is: true [2020-07-20 10:44:11,169 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:44:11,169 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:44:11,169 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:44:11,169 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 10:44:11,169 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:44:11,170 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:44:11,170 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:44:11,170 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:44:11,170 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:44:11,170 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) 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 10:44:11,170 INFO L264 CegarLoopResult]: At program point L479(line 479) 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 10:44:11,170 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-20 10:44:11,171 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-20 10:44:11,171 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 686 696) the Hoare annotation is: true [2020-07-20 10:44:11,171 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 686 696) no Hoare annotation was computed. [2020-07-20 10:44:11,171 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 686 696) no Hoare annotation was computed. [2020-07-20 10:44:11,171 INFO L271 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: true [2020-07-20 10:44:11,171 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-20 10:44:11,171 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 678 685) the Hoare annotation is: true [2020-07-20 10:44:11,171 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 678 685) no Hoare annotation was computed. [2020-07-20 10:44:11,171 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 678 685) no Hoare annotation was computed. [2020-07-20 10:44:11,172 INFO L268 CegarLoopResult]: For program point L861(lines 861 867) no Hoare annotation was computed. [2020-07-20 10:44:11,172 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 857 870) no Hoare annotation was computed. [2020-07-20 10:44:11,172 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 857 870) the Hoare annotation is: true [2020-07-20 10:44:11,172 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 857 870) no Hoare annotation was computed. [2020-07-20 10:44:11,172 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment_~tmp~5))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse3 .cse1) (or .cse0 .cse2 (not (<= ~waterLevel~0 2)) .cse3 (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:44:11,172 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:44:11,173 INFO L268 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2020-07-20 10:44:11,173 INFO L264 CegarLoopResult]: At program point L633(line 633) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse3 .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 .cse3 (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:44:11,173 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-07-20 10:44:11,173 INFO L268 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2020-07-20 10:44:11,173 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 627 651) no Hoare annotation was computed. [2020-07-20 10:44:11,173 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 627 651) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse3 .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 .cse3 (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:44:11,174 INFO L264 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:44:11,174 INFO L268 CegarLoopResult]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2020-07-20 10:44:11,174 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2020-07-20 10:44:11,174 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2020-07-20 10:44:11,174 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~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)) (and (<= 1 ~waterLevel~0) .cse4 (<= ~waterLevel~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:11,174 INFO L264 CegarLoopResult]: At program point testENTRY(lines 513 578) 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 10:44:11,175 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-07-20 10:44:11,175 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2020-07-20 10:44:11,175 INFO L264 CegarLoopResult]: At program point L568(lines 523 570) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and (<= 1 ~waterLevel~0) .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse4 .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (and (= 0 ~systemActive~0) .cse6 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse6 .cse1 .cse2 .cse3))) [2020-07-20 10:44:11,175 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and (<= 1 ~waterLevel~0) .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse4 .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (and (= 0 ~systemActive~0) .cse6 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse6 .cse1 .cse2 .cse3))) [2020-07-20 10:44:11,175 INFO L268 CegarLoopResult]: For program point testFINAL(lines 513 578) no Hoare annotation was computed. [2020-07-20 10:44:11,175 INFO L268 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-07-20 10:44:11,176 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2020-07-20 10:44:11,176 INFO L268 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-07-20 10:44:11,176 INFO L264 CegarLoopResult]: At program point L571(lines 522 572) 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 10:44:11,176 INFO L264 CegarLoopResult]: At program point L561(line 561) 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)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-20 10:44:11,176 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-07-20 10:44:11,176 INFO L264 CegarLoopResult]: At program point L559-1(lines 553 566) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~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)) (and (<= 1 ~waterLevel~0) .cse4 (<= ~waterLevel~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:11,176 INFO L268 CegarLoopResult]: For program point L524(lines 523 570) no Hoare annotation was computed. [2020-07-20 10:44:11,177 INFO L268 CegarLoopResult]: For program point L553(lines 553 566) no Hoare annotation was computed. [2020-07-20 10:44:11,177 INFO L268 CegarLoopResult]: For program point testEXIT(lines 513 578) no Hoare annotation was computed. [2020-07-20 10:44:11,177 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:44:11,177 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:44:11,177 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:44:11,177 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 10:44:11,177 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:44:11,177 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:44:11,178 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 652 659) 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 10:44:11,178 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 652 659) no Hoare annotation was computed. [2020-07-20 10:44:11,178 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 652 659) no Hoare annotation was computed. [2020-07-20 10:44:11,178 INFO L268 CegarLoopResult]: For program point L833(lines 833 841) no Hoare annotation was computed. [2020-07-20 10:44:11,178 INFO L268 CegarLoopResult]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2020-07-20 10:44:11,178 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 825 847) no Hoare annotation was computed. [2020-07-20 10:44:11,178 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 825 847) no Hoare annotation was computed. [2020-07-20 10:44:11,178 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 825 847) no Hoare annotation was computed. [2020-07-20 10:44:11,178 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 10:44:11,179 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:44:11,179 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 10:44:11,179 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 10:44:11,179 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 10:44:11,179 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 10:44:11,179 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:44:11,179 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 10:44:11,179 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:44:11,179 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 10:44:11,180 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:44:11,180 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 10:44:11,180 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 10:44:11,180 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:44:11,180 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 10:44:11,180 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 10:44:11,180 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 923 932) no Hoare annotation was computed. [2020-07-20 10:44:11,180 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 923 932) no Hoare annotation was computed. [2020-07-20 10:44:11,181 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 923 932) no Hoare annotation was computed. [2020-07-20 10:44:11,181 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:11,181 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 10:44:11,181 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:11,181 INFO L264 CegarLoopResult]: At program point L672(line 672) 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 10:44:11,181 INFO L268 CegarLoopResult]: For program point L672-1(lines 661 677) no Hoare annotation was computed. [2020-07-20 10:44:11,181 INFO L268 CegarLoopResult]: For program point L668(lines 668 674) no Hoare annotation was computed. [2020-07-20 10:44:11,181 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 661 677) no Hoare annotation was computed. [2020-07-20 10:44:11,182 INFO L264 CegarLoopResult]: At program point L666(line 666) 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 10:44:11,182 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-07-20 10:44:11,182 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 661 677) 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 10:44:11,182 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 742 760) no Hoare annotation was computed. [2020-07-20 10:44:11,182 INFO L268 CegarLoopResult]: For program point L751(lines 751 755) no Hoare annotation was computed. [2020-07-20 10:44:11,182 INFO L271 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: true [2020-07-20 10:44:11,182 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2020-07-20 10:44:11,182 INFO L268 CegarLoopResult]: For program point L749-1(line 749) no Hoare annotation was computed. [2020-07-20 10:44:11,182 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 742 760) the Hoare annotation is: true [2020-07-20 10:44:11,183 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 742 760) no Hoare annotation was computed. [2020-07-20 10:44:11,183 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2020-07-20 10:44:11,183 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 848 856) no Hoare annotation was computed. [2020-07-20 10:44:11,183 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2020-07-20 10:44:11,183 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:11,183 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:11,183 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:11,183 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: true [2020-07-20 10:44:11,183 INFO L268 CegarLoopResult]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2020-07-20 10:44:11,184 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2020-07-20 10:44:11,184 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (= 0 ~pumpRunning~0)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (<= ~waterLevel~0 1)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse4)) (or (not (= 0 ~systemActive~0)) .cse5 .cse6) (or .cse0 .cse1 (and .cse7 .cse8 .cse9) .cse5 (not (<= 1 |old(~waterLevel~0)|))) (or .cse1 (and (<= ~waterLevel~0 2) .cse7 .cse9) .cse5 .cse6 .cse10) (or .cse1 .cse2 (and .cse3 (<= 1 ~waterLevel~0) .cse8 .cse4) .cse6 .cse10))) [2020-07-20 10:44:11,184 INFO L264 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse13 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (and .cse13 .cse10 .cse12)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 .cse6 .cse7 (and .cse8 .cse5 .cse9)) (or .cse4 .cse6 (and .cse10 .cse11 .cse12) .cse2 (not (<= 1 |old(~waterLevel~0)|))) (or (and .cse13 .cse9 .cse12) .cse6 .cse0 .cse2 .cse3 .cse14) (or .cse6 .cse7 (and .cse8 (<= 1 ~waterLevel~0) .cse11 .cse9) .cse3 .cse14)))) [2020-07-20 10:44:11,184 INFO L264 CegarLoopResult]: At program point L601(line 601) 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))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (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 .cse7) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse6 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5 .cse7))) [2020-07-20 10:44:11,185 INFO L268 CegarLoopResult]: For program point L599(lines 595 617) no Hoare annotation was computed. [2020-07-20 10:44:11,185 INFO L268 CegarLoopResult]: For program point L597(lines 595 617) no Hoare annotation was computed. [2020-07-20 10:44:11,185 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 618) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 2)) (.cse12 (= 0 ~pumpRunning~0)) (.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (and .cse6 .cse12 .cse8)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse13 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= 1 ~systemActive~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or (and .cse6 .cse7 .cse8) .cse9 .cse10 .cse3 .cse11) (or .cse4 .cse9 (and .cse12 (<= ~waterLevel~0 1) .cse8) .cse2 (not (<= 1 |old(~waterLevel~0)|))) (or .cse13 .cse4 .cse9 .cse10 (and .cse5 .cse7 .cse8)) (or .cse9 .cse0 .cse2 .cse3 .cse11) (or .cse13 .cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse10 .cse3)))) [2020-07-20 10:44:11,185 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 618) no Hoare annotation was computed. [2020-07-20 10:44:11,185 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 618) no Hoare annotation was computed. [2020-07-20 10:44:11,185 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-20 10:44:11,185 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-20 10:44:11,186 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-20 10:44:11,186 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-20 10:44:11,186 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-20 10:44:11,186 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-20 10:44:11,186 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 10:44:11,186 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-20 10:44:11,186 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-20 10:44:11,186 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 10:44:11,187 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2020-07-20 10:44:11,187 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 816 824) no Hoare annotation was computed. [2020-07-20 10:44:11,187 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2020-07-20 10:44:11,187 INFO L268 CegarLoopResult]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2020-07-20 10:44:11,187 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 780 791) 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 10:44:11,187 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2020-07-20 10:44:11,187 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-20 10:44:11,187 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-20 10:44:11,187 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:11,188 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 10:44:11,188 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:11,188 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:11,188 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2020-07-20 10:44:11,188 INFO L268 CegarLoopResult]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2020-07-20 10:44:11,188 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: (let ((.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (not (= 0 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse2))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 1) .cse2) .cse3 (not (<= 1 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse3 .cse5 .cse6) (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 (and .cse8 .cse2)) (or .cse1 .cse4 .cse7 .cse5 .cse6) (or .cse0 .cse8 .cse9 .cse3) (or .cse9 .cse4 .cse3 .cse6)))) [2020-07-20 10:44:11,188 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 957 964) no Hoare annotation was computed. [2020-07-20 10:44:11,188 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2020-07-20 10:44:11,189 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 957 964) the Hoare annotation is: true [2020-07-20 10:44:11,189 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 957 964) no Hoare annotation was computed. [2020-07-20 10:44:11,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:11 BoogieIcfgContainer [2020-07-20 10:44:11,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:11,208 INFO L168 Benchmark]: Toolchain (without parser) took 17900.47 ms. Allocated memory was 137.9 MB in the beginning and 483.9 MB in the end (delta: 346.0 MB). Free memory was 100.9 MB in the beginning and 318.5 MB in the end (delta: -217.6 MB). Peak memory consumption was 313.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:11,209 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:11,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.38 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 172.0 MB in the end (delta: -71.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:11,210 INFO L168 Benchmark]: Boogie Preprocessor took 92.71 ms. Allocated memory is still 202.4 MB. Free memory was 172.0 MB in the beginning and 167.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:11,211 INFO L168 Benchmark]: RCFGBuilder took 1139.40 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 167.8 MB in the beginning and 196.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:11,211 INFO L168 Benchmark]: TraceAbstraction took 15940.75 ms. Allocated memory was 234.4 MB in the beginning and 483.9 MB in the end (delta: 249.6 MB). Free memory was 196.5 MB in the beginning and 318.5 MB in the end (delta: -122.0 MB). Peak memory consumption was 312.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:11,215 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.38 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 172.0 MB in the end (delta: -71.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.71 ms. Allocated memory is still 202.4 MB. Free memory was 172.0 MB in the beginning and 167.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1139.40 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 167.8 MB in the beginning and 196.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15940.75 ms. Allocated memory was 234.4 MB in the beginning and 483.9 MB in the end (delta: 249.6 MB). Free memory was 196.5 MB in the beginning and 318.5 MB in the end (delta: -122.0 MB). Peak memory consumption was 312.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || ((((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((((2 <= waterLevel && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1971 SDtfs, 1275 SDslu, 3217 SDs, 0 SdLazy, 2101 SolverSat, 474 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1228 GetRequests, 1164 SyntacticMatches, 7 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1327occurred 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: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 696 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2790 PreInvPairs, 2897 NumberOfFragments, 2026 HoareAnnotationTreeSize, 2790 FomulaSimplifications, 5091 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7589 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1067 NumberOfCodeBlocks, 1067 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1204 ConstructedInterpolants, 0 QuantifiedInterpolants, 243366 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8708 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 118/136 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...