/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:25:25,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:25:25,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:25:25,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:25:25,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:25:25,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:25:25,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:25:25,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:25:26,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:25:26,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:25:26,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:25:26,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:25:26,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:25:26,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:25:26,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:25:26,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:25:26,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:25:26,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:25:26,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:25:26,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:25:26,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:25:26,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:25:26,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:25:26,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:25:26,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:25:26,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:25:26,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:25:26,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:25:26,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:25:26,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:25:26,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:25:26,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:25:26,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:25:26,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:25:26,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:25:26,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:25:26,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:25:26,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:25:26,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:25:26,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:25:26,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:25:26,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:25:26,087 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:25:26,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:25:26,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:25:26,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:25:26,092 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:25:26,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:25:26,092 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:25:26,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:25:26,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:25:26,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:25:26,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:25:26,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:25:26,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:25:26,093 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:25:26,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:25:26,094 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:25:26,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:25:26,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:25:26,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:25:26,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:25:26,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:25:26,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:25:26,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:25:26,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:25:26,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:25:26,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:25:26,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:26,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:25:26,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:25:26,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:25:26,418 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:25:26,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:25:26,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:25:26,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:25:26,444 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:25:26,444 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-07-20 16:25:26,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f9937ef/286458189fe64020b619d7243bba6c60/FLAG95955d512 [2020-07-20 16:25:27,037 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:25:27,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-07-20 16:25:27,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f9937ef/286458189fe64020b619d7243bba6c60/FLAG95955d512 [2020-07-20 16:25:27,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f9937ef/286458189fe64020b619d7243bba6c60 [2020-07-20 16:25:27,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:25:27,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:25:27,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:27,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:25:27,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:25:27,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:27" (1/1) ... [2020-07-20 16:25:27,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125eb49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:27, skipping insertion in model container [2020-07-20 16:25:27,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:27" (1/1) ... [2020-07-20 16:25:27,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:25:27,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:25:27,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:27,898 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:25:28,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:28,041 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:25:28,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28 WrapperNode [2020-07-20 16:25:28,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:28,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:25:28,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:25:28,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:25:28,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... [2020-07-20 16:25:28,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:25:28,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:25:28,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:25:28,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:25:28,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:25:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:25:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:25:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:25:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:25:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:25:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:25:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:25:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:25:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:25:28,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:25:28,210 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:25:28,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:25:28,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:25:28,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:25:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:25:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:25:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:25:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:25:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:25:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:25:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:25:28,214 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:25:28,214 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:25:28,214 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:25:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:25:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:25:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:25:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:25:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:25:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:25:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:25:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:25:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:25:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:25:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:25:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:25:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:25:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:25:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:25:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:25:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:25:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:25:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:25:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:25:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:25:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:25:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:25:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:25:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:25:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:25:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:25:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:25:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:25:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:25:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:25:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:25:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:25:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:25:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:25:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:25:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:25:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:25:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:25:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:25:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:25:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:25:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:25:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:25:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:25:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:25:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:25:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:25:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:25:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:25:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:25:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:25:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:25:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:25:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:25:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:25:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:25:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:25:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:25:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:25:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:25:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:25:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:25:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:25:29,583 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:25:29,583 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:25:29,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:29 BoogieIcfgContainer [2020-07-20 16:25:29,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:25:29,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:25:29,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:25:29,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:25:29,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:25:27" (1/3) ... [2020-07-20 16:25:29,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55616b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:29, skipping insertion in model container [2020-07-20 16:25:29,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:28" (2/3) ... [2020-07-20 16:25:29,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55616b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:29, skipping insertion in model container [2020-07-20 16:25:29,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:29" (3/3) ... [2020-07-20 16:25:29,596 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-07-20 16:25:29,604 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:25:29,610 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:25:29,625 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:25:29,653 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:25:29,653 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:25:29,654 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:25:29,654 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:25:29,654 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:25:29,654 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:25:29,655 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:25:29,655 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:25:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-20 16:25:29,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:25:29,696 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:29,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:29,698 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:29,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:29,703 INFO L82 PathProgramCache]: Analyzing trace with hash -583894042, now seen corresponding path program 1 times [2020-07-20 16:25:29,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:29,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139457266] [2020-07-20 16:25:29,712 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:30,227 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:30,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:30,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:25:30,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:30,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:30,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139457266] [2020-07-20 16:25:30,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:30,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:25:30,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513930756] [2020-07-20 16:25:30,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:25:30,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:30,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:25:30,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:25:30,302 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-20 16:25:30,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:30,347 INFO L93 Difference]: Finished difference Result 276 states and 341 transitions. [2020-07-20 16:25:30,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:25:30,349 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:25:30,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:30,363 INFO L225 Difference]: With dead ends: 276 [2020-07-20 16:25:30,363 INFO L226 Difference]: Without dead ends: 138 [2020-07-20 16:25:30,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:25:30,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-20 16:25:30,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-20 16:25:30,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 16:25:30,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-07-20 16:25:30,427 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 46 [2020-07-20 16:25:30,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:30,428 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-07-20 16:25:30,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:25:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-07-20 16:25:30,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:25:30,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:30,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:30,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:30,642 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:30,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:30,642 INFO L82 PathProgramCache]: Analyzing trace with hash 2008699999, now seen corresponding path program 1 times [2020-07-20 16:25:30,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:30,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028535263] [2020-07-20 16:25:30,644 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:31,157 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:31,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:31,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:25:31,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:31,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:31,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028535263] [2020-07-20 16:25:31,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:31,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:31,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887116185] [2020-07-20 16:25:31,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:31,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:31,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:31,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:31,208 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 3 states. [2020-07-20 16:25:31,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:31,235 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2020-07-20 16:25:31,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:31,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:25:31,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:31,238 INFO L225 Difference]: With dead ends: 215 [2020-07-20 16:25:31,238 INFO L226 Difference]: Without dead ends: 129 [2020-07-20 16:25:31,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:31,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-20 16:25:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-20 16:25:31,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-20 16:25:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-07-20 16:25:31,257 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 47 [2020-07-20 16:25:31,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:31,257 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-07-20 16:25:31,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-07-20 16:25:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:25:31,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:31,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:31,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:31,474 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:31,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:31,475 INFO L82 PathProgramCache]: Analyzing trace with hash 940393630, now seen corresponding path program 1 times [2020-07-20 16:25:31,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:31,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082780734] [2020-07-20 16:25:31,477 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:31,884 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:31,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:31,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:25:31,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:31,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:31,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082780734] [2020-07-20 16:25:31,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:31,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:31,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446805454] [2020-07-20 16:25:31,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:31,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:31,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:31,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:31,925 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 3 states. [2020-07-20 16:25:31,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:31,961 INFO L93 Difference]: Finished difference Result 335 states and 401 transitions. [2020-07-20 16:25:31,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:31,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:25:31,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:31,965 INFO L225 Difference]: With dead ends: 335 [2020-07-20 16:25:31,965 INFO L226 Difference]: Without dead ends: 230 [2020-07-20 16:25:31,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:31,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-07-20 16:25:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 224. [2020-07-20 16:25:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-20 16:25:31,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 267 transitions. [2020-07-20 16:25:31,998 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 267 transitions. Word has length 52 [2020-07-20 16:25:31,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:31,999 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 267 transitions. [2020-07-20 16:25:31,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 267 transitions. [2020-07-20 16:25:32,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 16:25:32,002 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:32,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:32,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:32,216 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:32,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:32,217 INFO L82 PathProgramCache]: Analyzing trace with hash -885199720, now seen corresponding path program 1 times [2020-07-20 16:25:32,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:32,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552337823] [2020-07-20 16:25:32,219 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:32,637 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:32,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:32,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:25:32,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:32,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:32,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:32,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552337823] [2020-07-20 16:25:32,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:32,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:32,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834216659] [2020-07-20 16:25:32,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:32,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:32,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:32,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:32,701 INFO L87 Difference]: Start difference. First operand 224 states and 267 transitions. Second operand 6 states. [2020-07-20 16:25:32,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:32,967 INFO L93 Difference]: Finished difference Result 605 states and 759 transitions. [2020-07-20 16:25:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:32,967 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 16:25:32,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:32,978 INFO L225 Difference]: With dead ends: 605 [2020-07-20 16:25:32,981 INFO L226 Difference]: Without dead ends: 405 [2020-07-20 16:25:32,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:25:32,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-07-20 16:25:33,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2020-07-20 16:25:33,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-07-20 16:25:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 504 transitions. [2020-07-20 16:25:33,039 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 504 transitions. Word has length 57 [2020-07-20 16:25:33,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:33,039 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 504 transitions. [2020-07-20 16:25:33,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 504 transitions. [2020-07-20 16:25:33,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 16:25:33,044 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:33,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:33,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:33,259 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:33,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:33,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1426922018, now seen corresponding path program 1 times [2020-07-20 16:25:33,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:33,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218262236] [2020-07-20 16:25:33,260 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:33,585 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:33,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:33,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:25:33,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:33,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:33,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218262236] [2020-07-20 16:25:33,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:33,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:33,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059697925] [2020-07-20 16:25:33,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:33,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:33,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:33,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:33,615 INFO L87 Difference]: Start difference. First operand 405 states and 504 transitions. Second operand 3 states. [2020-07-20 16:25:33,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:33,679 INFO L93 Difference]: Finished difference Result 941 states and 1237 transitions. [2020-07-20 16:25:33,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:33,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-20 16:25:33,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:33,684 INFO L225 Difference]: With dead ends: 941 [2020-07-20 16:25:33,684 INFO L226 Difference]: Without dead ends: 560 [2020-07-20 16:25:33,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:33,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-07-20 16:25:33,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 547. [2020-07-20 16:25:33,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-07-20 16:25:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 693 transitions. [2020-07-20 16:25:33,727 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 693 transitions. Word has length 61 [2020-07-20 16:25:33,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:33,727 INFO L479 AbstractCegarLoop]: Abstraction has 547 states and 693 transitions. [2020-07-20 16:25:33,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:33,727 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 693 transitions. [2020-07-20 16:25:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 16:25:33,732 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:33,733 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:25:33,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:33,947 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:33,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:33,948 INFO L82 PathProgramCache]: Analyzing trace with hash 77918244, now seen corresponding path program 1 times [2020-07-20 16:25:33,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:33,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977538910] [2020-07-20 16:25:33,950 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,262 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:34,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:34,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:25:34,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 16:25:34,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:34,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977538910] [2020-07-20 16:25:34,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:34,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:34,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528288404] [2020-07-20 16:25:34,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:34,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:34,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:34,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:34,303 INFO L87 Difference]: Start difference. First operand 547 states and 693 transitions. Second operand 3 states. [2020-07-20 16:25:34,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:34,387 INFO L93 Difference]: Finished difference Result 909 states and 1153 transitions. [2020-07-20 16:25:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:34,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-20 16:25:34,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:34,391 INFO L225 Difference]: With dead ends: 909 [2020-07-20 16:25:34,392 INFO L226 Difference]: Without dead ends: 386 [2020-07-20 16:25:34,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:34,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-07-20 16:25:34,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 373. [2020-07-20 16:25:34,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-20 16:25:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 460 transitions. [2020-07-20 16:25:34,428 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 460 transitions. Word has length 113 [2020-07-20 16:25:34,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:34,434 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 460 transitions. [2020-07-20 16:25:34,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 460 transitions. [2020-07-20 16:25:34,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-20 16:25:34,442 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:34,443 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:34,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,656 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:34,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:34,656 INFO L82 PathProgramCache]: Analyzing trace with hash 622271142, now seen corresponding path program 1 times [2020-07-20 16:25:34,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:34,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548997174] [2020-07-20 16:25:34,657 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,973 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:34,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:34,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:25:34,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 16:25:35,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:35,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548997174] [2020-07-20 16:25:35,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:35,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:35,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442142372] [2020-07-20 16:25:35,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:35,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:35,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:35,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:35,021 INFO L87 Difference]: Start difference. First operand 373 states and 460 transitions. Second operand 6 states. [2020-07-20 16:25:35,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:35,069 INFO L93 Difference]: Finished difference Result 732 states and 926 transitions. [2020-07-20 16:25:35,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:35,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-07-20 16:25:35,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:35,075 INFO L225 Difference]: With dead ends: 732 [2020-07-20 16:25:35,075 INFO L226 Difference]: Without dead ends: 383 [2020-07-20 16:25:35,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:35,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-07-20 16:25:35,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2020-07-20 16:25:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-07-20 16:25:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 471 transitions. [2020-07-20 16:25:35,101 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 471 transitions. Word has length 130 [2020-07-20 16:25:35,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:35,101 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 471 transitions. [2020-07-20 16:25:35,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:35,102 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 471 transitions. [2020-07-20 16:25:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-20 16:25:35,104 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:35,105 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:35,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:35,319 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:35,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:35,320 INFO L82 PathProgramCache]: Analyzing trace with hash -520231324, now seen corresponding path program 1 times [2020-07-20 16:25:35,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:35,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444673502] [2020-07-20 16:25:35,321 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:35,464 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:25:35,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:35,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:25:35,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 16:25:35,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:35,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444673502] [2020-07-20 16:25:35,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:35,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:25:35,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353477715] [2020-07-20 16:25:35,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:25:35,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:35,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:25:35,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:25:35,515 INFO L87 Difference]: Start difference. First operand 383 states and 471 transitions. Second operand 5 states. [2020-07-20 16:25:35,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:35,564 INFO L93 Difference]: Finished difference Result 740 states and 937 transitions. [2020-07-20 16:25:35,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:25:35,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-07-20 16:25:35,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:35,567 INFO L225 Difference]: With dead ends: 740 [2020-07-20 16:25:35,567 INFO L226 Difference]: Without dead ends: 381 [2020-07-20 16:25:35,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:25:35,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-07-20 16:25:35,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2020-07-20 16:25:35,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-07-20 16:25:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 464 transitions. [2020-07-20 16:25:35,623 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 464 transitions. Word has length 130 [2020-07-20 16:25:35,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:35,623 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 464 transitions. [2020-07-20 16:25:35,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:25:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 464 transitions. [2020-07-20 16:25:35,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-20 16:25:35,630 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:35,630 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:35,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:35,849 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:35,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:35,850 INFO L82 PathProgramCache]: Analyzing trace with hash 687686851, now seen corresponding path program 1 times [2020-07-20 16:25:35,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:35,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454229245] [2020-07-20 16:25:35,851 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:36,069 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:25:36,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:36,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:25:36,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:36,137 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:36,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:36,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454229245] [2020-07-20 16:25:36,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:36,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:36,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256482043] [2020-07-20 16:25:36,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:36,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:36,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:36,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:36,140 INFO L87 Difference]: Start difference. First operand 381 states and 464 transitions. Second operand 6 states. [2020-07-20 16:25:37,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:37,038 INFO L93 Difference]: Finished difference Result 1093 states and 1406 transitions. [2020-07-20 16:25:37,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:25:37,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-07-20 16:25:37,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:37,049 INFO L225 Difference]: With dead ends: 1093 [2020-07-20 16:25:37,052 INFO L226 Difference]: Without dead ends: 736 [2020-07-20 16:25:37,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:37,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-07-20 16:25:37,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 707. [2020-07-20 16:25:37,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-07-20 16:25:37,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 867 transitions. [2020-07-20 16:25:37,093 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 867 transitions. Word has length 130 [2020-07-20 16:25:37,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:37,093 INFO L479 AbstractCegarLoop]: Abstraction has 707 states and 867 transitions. [2020-07-20 16:25:37,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 867 transitions. [2020-07-20 16:25:37,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-20 16:25:37,096 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:37,097 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:37,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:37,311 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:37,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:37,312 INFO L82 PathProgramCache]: Analyzing trace with hash 669135741, now seen corresponding path program 1 times [2020-07-20 16:25:37,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:37,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939426428] [2020-07-20 16:25:37,313 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:37,642 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:37,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:37,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:25:37,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:37,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:25:38,085 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:25:38,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939426428] [2020-07-20 16:25:38,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:25:38,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-20 16:25:38,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450635814] [2020-07-20 16:25:38,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 16:25:38,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:38,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 16:25:38,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-20 16:25:38,087 INFO L87 Difference]: Start difference. First operand 707 states and 867 transitions. Second operand 12 states. [2020-07-20 16:25:39,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:39,833 INFO L93 Difference]: Finished difference Result 1925 states and 2559 transitions. [2020-07-20 16:25:39,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:25:39,833 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 134 [2020-07-20 16:25:39,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:39,841 INFO L225 Difference]: With dead ends: 1925 [2020-07-20 16:25:39,842 INFO L226 Difference]: Without dead ends: 1242 [2020-07-20 16:25:39,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 256 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-20 16:25:39,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2020-07-20 16:25:39,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 961. [2020-07-20 16:25:39,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2020-07-20 16:25:39,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1180 transitions. [2020-07-20 16:25:39,910 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1180 transitions. Word has length 134 [2020-07-20 16:25:39,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:39,911 INFO L479 AbstractCegarLoop]: Abstraction has 961 states and 1180 transitions. [2020-07-20 16:25:39,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 16:25:39,911 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1180 transitions. [2020-07-20 16:25:39,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-07-20 16:25:39,915 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:39,916 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:40,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:40,129 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:40,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:40,130 INFO L82 PathProgramCache]: Analyzing trace with hash 505313166, now seen corresponding path program 1 times [2020-07-20 16:25:40,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:40,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193975179] [2020-07-20 16:25:40,131 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:40,461 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:40,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:40,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:25:40,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:40,555 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:40,556 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 16:25:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 16:25:40,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:25:40,879 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:40,930 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:40,930 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:40,978 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:40,979 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:40,996 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:40,996 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:41,060 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 50 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-20 16:25:41,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193975179] [2020-07-20 16:25:41,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:25:41,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 16:25:41,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556518679] [2020-07-20 16:25:41,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 16:25:41,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:41,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 16:25:41,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-20 16:25:41,231 INFO L87 Difference]: Start difference. First operand 961 states and 1180 transitions. Second operand 16 states. [2020-07-20 16:25:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:43,471 INFO L93 Difference]: Finished difference Result 2730 states and 3672 transitions. [2020-07-20 16:25:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 16:25:43,472 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 188 [2020-07-20 16:25:43,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:43,487 INFO L225 Difference]: With dead ends: 2730 [2020-07-20 16:25:43,487 INFO L226 Difference]: Without dead ends: 1933 [2020-07-20 16:25:43,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 366 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-07-20 16:25:43,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2020-07-20 16:25:43,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1491. [2020-07-20 16:25:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2020-07-20 16:25:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1830 transitions. [2020-07-20 16:25:43,612 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1830 transitions. Word has length 188 [2020-07-20 16:25:43,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:43,612 INFO L479 AbstractCegarLoop]: Abstraction has 1491 states and 1830 transitions. [2020-07-20 16:25:43,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 16:25:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1830 transitions. [2020-07-20 16:25:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-07-20 16:25:43,618 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:43,618 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:43,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:43,830 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:43,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:43,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2072071116, now seen corresponding path program 1 times [2020-07-20 16:25:43,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:43,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281608050] [2020-07-20 16:25:43,832 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:44,174 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:44,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:44,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:25:44,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:44,226 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 16:25:44,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:44,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281608050] [2020-07-20 16:25:44,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:44,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:44,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037938079] [2020-07-20 16:25:44,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:44,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:44,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:44,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:44,228 INFO L87 Difference]: Start difference. First operand 1491 states and 1830 transitions. Second operand 6 states. [2020-07-20 16:25:44,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:44,293 INFO L93 Difference]: Finished difference Result 1939 states and 2357 transitions. [2020-07-20 16:25:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:44,294 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 188 [2020-07-20 16:25:44,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:44,295 INFO L225 Difference]: With dead ends: 1939 [2020-07-20 16:25:44,295 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:25:44,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:44,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:25:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:25:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:25:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:25:44,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2020-07-20 16:25:44,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:44,332 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:25:44,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:44,332 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:25:44,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:25:44,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:44,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:25:46,360 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-07-20 16:25:46,727 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-20 16:25:46,949 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-07-20 16:25:47,157 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-20 16:25:47,578 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 30 [2020-07-20 16:25:47,928 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-07-20 16:25:48,503 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-07-20 16:25:48,617 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2020-07-20 16:25:49,096 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-20 16:25:49,097 INFO L268 CegarLoopResult]: For program point L532-1(lines 532 536) no Hoare annotation was computed. [2020-07-20 16:25:49,097 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 501 556) no Hoare annotation was computed. [2020-07-20 16:25:49,097 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 16:25:49,097 INFO L268 CegarLoopResult]: For program point L526-2(lines 526 547) no Hoare annotation was computed. [2020-07-20 16:25:49,097 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 501 556) no Hoare annotation was computed. [2020-07-20 16:25:49,097 INFO L268 CegarLoopResult]: For program point L548(lines 525 549) no Hoare annotation was computed. [2020-07-20 16:25:49,098 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 501 556) no Hoare annotation was computed. [2020-07-20 16:25:49,098 INFO L268 CegarLoopResult]: For program point L609(lines 582 610) no Hoare annotation was computed. [2020-07-20 16:25:49,098 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-20 16:25:49,098 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-20 16:25:49,098 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 557 616) no Hoare annotation was computed. [2020-07-20 16:25:49,098 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 557 616) no Hoare annotation was computed. [2020-07-20 16:25:49,098 INFO L268 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-07-20 16:25:49,098 INFO L268 CegarLoopResult]: For program point L589-1(lines 589 593) no Hoare annotation was computed. [2020-07-20 16:25:49,099 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 557 616) no Hoare annotation was computed. [2020-07-20 16:25:49,099 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-20 16:25:49,099 INFO L268 CegarLoopResult]: For program point L583-2(lines 583 608) no Hoare annotation was computed. [2020-07-20 16:25:49,099 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 932 938) the Hoare annotation is: true [2020-07-20 16:25:49,099 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 932 938) no Hoare annotation was computed. [2020-07-20 16:25:49,099 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 939 947) no Hoare annotation was computed. [2020-07-20 16:25:49,099 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 939 947) the Hoare annotation is: true [2020-07-20 16:25:49,099 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 939 947) no Hoare annotation was computed. [2020-07-20 16:25:49,099 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 958 982) the Hoare annotation is: true [2020-07-20 16:25:49,100 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 958 982) no Hoare annotation was computed. [2020-07-20 16:25:49,100 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-20 16:25:49,100 INFO L268 CegarLoopResult]: For program point L970(lines 970 976) no Hoare annotation was computed. [2020-07-20 16:25:49,100 INFO L264 CegarLoopResult]: At program point L968(line 968) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-20 16:25:49,100 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-07-20 16:25:49,100 INFO L268 CegarLoopResult]: For program point L966(lines 966 979) no Hoare annotation was computed. [2020-07-20 16:25:49,100 INFO L268 CegarLoopResult]: For program point L966-1(lines 958 982) no Hoare annotation was computed. [2020-07-20 16:25:49,101 INFO L271 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: true [2020-07-20 16:25:49,101 INFO L268 CegarLoopResult]: For program point L964-1(line 964) no Hoare annotation was computed. [2020-07-20 16:25:49,101 INFO L264 CegarLoopResult]: At program point L897(line 897) 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 16:25:49,101 INFO L264 CegarLoopResult]: At program point L896(line 896) 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 16:25:49,101 INFO L264 CegarLoopResult]: At program point L896-1(line 896) 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 16:25:49,101 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 890 912) 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 16:25:49,102 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 890 912) no Hoare annotation was computed. [2020-07-20 16:25:49,102 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 890 912) no Hoare annotation was computed. [2020-07-20 16:25:49,102 INFO L264 CegarLoopResult]: At program point L902(line 902) 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 16:25:49,102 INFO L264 CegarLoopResult]: At program point L902-1(line 902) 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 16:25:49,102 INFO L268 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-07-20 16:25:49,102 INFO L268 CegarLoopResult]: For program point L900-1(lines 900 907) no Hoare annotation was computed. [2020-07-20 16:25:49,102 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-07-20 16:25:49,102 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 16:25:49,102 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 846 869) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 846 869) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 846 869) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-20 16:25:49,103 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-20 16:25:49,104 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-20 16:25:49,104 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-20 16:25:49,104 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 355 369) no Hoare annotation was computed. [2020-07-20 16:25:49,104 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:49,104 INFO L268 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2020-07-20 16:25:49,104 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 355 369) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:49,104 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 355 369) no Hoare annotation was computed. [2020-07-20 16:25:49,104 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2020-07-20 16:25:49,104 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2020-07-20 16:25:49,104 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2020-07-20 16:25:49,104 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 336 354) the Hoare annotation is: true [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L271 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: true [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point L343-1(line 343) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 336 354) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 336 354) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point L288(lines 288 296) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point L311-1(line 311) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 281 316) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-07-20 16:25:49,105 INFO L268 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2020-07-20 16:25:49,106 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 281 316) no Hoare annotation was computed. [2020-07-20 16:25:49,106 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 281 316) no Hoare annotation was computed. [2020-07-20 16:25:49,106 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 925 931) no Hoare annotation was computed. [2020-07-20 16:25:49,106 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 925 931) the Hoare annotation is: true [2020-07-20 16:25:49,106 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 455 500) no Hoare annotation was computed. [2020-07-20 16:25:49,106 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 455 500) no Hoare annotation was computed. [2020-07-20 16:25:49,106 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 455 500) no Hoare annotation was computed. [2020-07-20 16:25:49,106 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 768 813) no Hoare annotation was computed. [2020-07-20 16:25:49,106 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-07-20 16:25:49,106 INFO L268 CegarLoopResult]: For program point L782(lines 782 802) no Hoare annotation was computed. [2020-07-20 16:25:49,107 INFO L268 CegarLoopResult]: For program point L782-1(lines 782 802) no Hoare annotation was computed. [2020-07-20 16:25:49,107 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 768 813) no Hoare annotation was computed. [2020-07-20 16:25:49,107 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 768 813) no Hoare annotation was computed. [2020-07-20 16:25:49,107 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 877 886) 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 16:25:49,107 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 877 886) no Hoare annotation was computed. [2020-07-20 16:25:49,107 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 877 886) no Hoare annotation was computed. [2020-07-20 16:25:49,107 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 261 271) no Hoare annotation was computed. [2020-07-20 16:25:49,107 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2020-07-20 16:25:49,107 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-20 16:25:49,107 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-07-20 16:25:49,107 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2020-07-20 16:25:49,108 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: true [2020-07-20 16:25:49,108 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2020-07-20 16:25:49,108 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2020-07-20 16:25:49,108 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-20 16:25:49,108 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-20 16:25:49,108 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-20 16:25:49,108 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-20 16:25:49,108 INFO L268 CegarLoopResult]: For program point L226-1(line 226) no Hoare annotation was computed. [2020-07-20 16:25:49,108 INFO L268 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2020-07-20 16:25:49,108 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2020-07-20 16:25:49,108 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:49,108 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:49,109 INFO L268 CegarLoopResult]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2020-07-20 16:25:49,109 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:49,109 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (<= 1 processEnvironment_~tmp~1)))) [2020-07-20 16:25:49,109 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-07-20 16:25:49,109 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:49,109 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2020-07-20 16:25:49,109 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2020-07-20 16:25:49,109 INFO L264 CegarLoopResult]: At program point testENTRY(lines 380 447) 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 16:25:49,109 INFO L264 CegarLoopResult]: At program point L440(lines 389 441) 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 16:25:49,109 INFO L268 CegarLoopResult]: For program point testFINAL(lines 380 447) no Hoare annotation was computed. [2020-07-20 16:25:49,110 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,110 INFO L268 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2020-07-20 16:25:49,110 INFO L264 CegarLoopResult]: At program point L428-1(lines 420 435) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,110 INFO L268 CegarLoopResult]: For program point L391(lines 390 439) no Hoare annotation was computed. [2020-07-20 16:25:49,110 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,110 INFO L268 CegarLoopResult]: For program point L420(lines 420 435) no Hoare annotation was computed. [2020-07-20 16:25:49,110 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,110 INFO L268 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2020-07-20 16:25:49,110 INFO L268 CegarLoopResult]: For program point L410-1(lines 410 416) no Hoare annotation was computed. [2020-07-20 16:25:49,111 INFO L264 CegarLoopResult]: At program point L437(lines 390 439) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,111 INFO L264 CegarLoopResult]: At program point L402(line 402) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:49,111 INFO L268 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2020-07-20 16:25:49,111 INFO L268 CegarLoopResult]: For program point L400-1(lines 400 406) no Hoare annotation was computed. [2020-07-20 16:25:49,111 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-07-20 16:25:49,111 INFO L268 CegarLoopResult]: For program point testEXIT(lines 380 447) no Hoare annotation was computed. [2020-07-20 16:25:49,111 INFO L268 CegarLoopResult]: For program point L736(lines 736 756) no Hoare annotation was computed. [2020-07-20 16:25:49,111 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 756) no Hoare annotation was computed. [2020-07-20 16:25:49,111 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 722 767) no Hoare annotation was computed. [2020-07-20 16:25:49,111 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 722 767) no Hoare annotation was computed. [2020-07-20 16:25:49,111 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 722 767) no Hoare annotation was computed. [2020-07-20 16:25:49,111 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 619 721) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point L669(lines 668 688) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point L665(lines 665 706) no Hoare annotation was computed. [2020-07-20 16:25:49,112 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 619 721) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 688) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 619 721) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point L689(lines 667 690) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point L648(lines 648 664) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point L708(lines 708 715) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 915 924) no Hoare annotation was computed. [2020-07-20 16:25:49,113 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 915 924) no Hoare annotation was computed. [2020-07-20 16:25:49,114 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 915 924) no Hoare annotation was computed. [2020-07-20 16:25:49,114 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,114 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 16:25:49,114 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,114 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2020-07-20 16:25:49,114 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2020-07-20 16:25:49,114 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:49,114 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-20 16:25:49,114 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-20 16:25:49,114 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-20 16:25:49,114 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2020-07-20 16:25:49,114 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-07-20 16:25:49,115 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2020-07-20 16:25:49,115 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2020-07-20 16:25:49,115 INFO L271 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: true [2020-07-20 16:25:49,115 INFO L268 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2020-07-20 16:25:49,115 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-07-20 16:25:49,115 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-20 16:25:49,115 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2020-07-20 16:25:49,115 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-20 16:25:49,115 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,115 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,115 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,116 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 86 94) no Hoare annotation was computed. [2020-07-20 16:25:49,116 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-20 16:25:49,116 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-20 16:25:49,116 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (and .cse5 (<= ~waterLevel~0 1) .cse3)) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse6 .cse0 .cse7 .cse4 .cse9) (or (and .cse2 .cse5 .cse3) .cse8 .cse4 .cse1)))) [2020-07-20 16:25:49,116 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 (<= ~waterLevel~0 1) .cse2) .cse3 .cse5) (or (not (= 0 ~systemActive~0)) .cse3 .cse5))) [2020-07-20 16:25:49,116 INFO L264 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and .cse5 (<= ~waterLevel~0 1) .cse6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~systemActive~0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse2 .cse7) (or .cse8 (and .cse9 .cse4 .cse6) .cse0 .cse2 .cse3) (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse8 (and .cse9 .cse4 .cse10) (and .cse4 .cse10 .cse5) .cse7))))) [2020-07-20 16:25:49,116 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2020-07-20 16:25:49,116 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 16:25:49,117 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2020-07-20 16:25:49,117 INFO L268 CegarLoopResult]: For program point L166(lines 165 184) no Hoare annotation was computed. [2020-07-20 16:25:49,117 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 816 845) no Hoare annotation was computed. [2020-07-20 16:25:49,117 INFO L268 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-07-20 16:25:49,117 INFO L271 CegarLoopResult]: At program point L830-1(lines 830 834) the Hoare annotation is: true [2020-07-20 16:25:49,117 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 816 845) the Hoare annotation is: true [2020-07-20 16:25:49,117 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-20 16:25:49,117 INFO L271 CegarLoopResult]: At program point L826-2(lines 826 840) the Hoare annotation is: true [2020-07-20 16:25:49,117 INFO L271 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: true [2020-07-20 16:25:49,117 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-07-20 16:25:49,118 INFO L271 CegarLoopResult]: At program point L841(lines 816 845) the Hoare annotation is: true [2020-07-20 16:25:49,118 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-20 16:25:49,118 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 16:25:49,118 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-20 16:25:49,118 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-20 16:25:49,118 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 870 876) no Hoare annotation was computed. [2020-07-20 16:25:49,118 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 870 876) the Hoare annotation is: true [2020-07-20 16:25:49,118 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,118 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 16:25:49,118 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:25:49,118 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:49,118 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2020-07-20 16:25:49,119 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: true [2020-07-20 16:25:49,119 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2020-07-20 16:25:49,119 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:49,119 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2020-07-20 16:25:49,119 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:49,119 INFO L268 CegarLoopResult]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2020-07-20 16:25:49,119 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:49,119 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))))) [2020-07-20 16:25:49,119 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-07-20 16:25:49,119 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:49,119 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-07-20 16:25:49,119 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-07-20 16:25:49,120 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-20 16:25:49,120 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-20 16:25:49,120 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~waterLevel~0 1) .cse8)) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse2 .cse3 .cse6 .cse7)))) [2020-07-20 16:25:49,120 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2020-07-20 16:25:49,120 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2020-07-20 16:25:49,120 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2020-07-20 16:25:49,120 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2020-07-20 16:25:49,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:25:49 BoogieIcfgContainer [2020-07-20 16:25:49,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:25:49,146 INFO L168 Benchmark]: Toolchain (without parser) took 21807.06 ms. Allocated memory was 139.5 MB in the beginning and 477.1 MB in the end (delta: 337.6 MB). Free memory was 103.5 MB in the beginning and 315.7 MB in the end (delta: -212.2 MB). Peak memory consumption was 317.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,146 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.64 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.1 MB in the beginning and 173.8 MB in the end (delta: -70.7 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,148 INFO L168 Benchmark]: Boogie Preprocessor took 84.10 ms. Allocated memory is still 205.0 MB. Free memory was 173.8 MB in the beginning and 169.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,148 INFO L168 Benchmark]: RCFGBuilder took 1462.16 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 169.7 MB in the beginning and 195.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,149 INFO L168 Benchmark]: TraceAbstraction took 19554.08 ms. Allocated memory was 235.9 MB in the beginning and 477.1 MB in the end (delta: 241.2 MB). Free memory was 195.5 MB in the beginning and 315.7 MB in the end (delta: -120.2 MB). Peak memory consumption was 313.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:49,152 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.64 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.1 MB in the beginning and 173.8 MB in the end (delta: -70.7 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.10 ms. Allocated memory is still 205.0 MB. Free memory was 173.8 MB in the beginning and 169.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1462.16 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 169.7 MB in the beginning and 195.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19554.08 ms. Allocated memory was 235.9 MB in the beginning and 477.1 MB in the end (delta: 241.2 MB). Free memory was 195.5 MB in the beginning and 315.7 MB in the end (delta: -120.2 MB). Peak memory consumption was 313.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 389]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || !(\old(waterLevel) <= 1)) || (((0 == systemActive && 1 <= waterLevel) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2147 SDtfs, 1700 SDslu, 3507 SDs, 0 SdLazy, 3353 SolverSat, 986 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1626 GetRequests, 1544 SyntacticMatches, 7 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1491occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 784 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2385 PreInvPairs, 2477 NumberOfFragments, 1316 HoareAnnotationTreeSize, 2385 FomulaSimplifications, 10557 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 8949 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1276 NumberOfCodeBlocks, 930 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1584 ConstructedInterpolants, 0 QuantifiedInterpolants, 355364 SizeOfPredicates, 41 NumberOfNonLiveVariables, 8567 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 393/445 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...