/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:29:20,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:29:20,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:29:20,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:29:20,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:29:20,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:29:20,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:29:20,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:29:20,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:29:20,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:29:20,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:29:21,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:29:21,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:29:21,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:29:21,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:29:21,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:29:21,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:29:21,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:29:21,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:29:21,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:29:21,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:29:21,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:29:21,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:29:21,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:29:21,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:29:21,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:29:21,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:29:21,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:29:21,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:29:21,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:29:21,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:29:21,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:29:21,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:29:21,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:29:21,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:29:21,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:29:21,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:29:21,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:29:21,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:29:21,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:29:21,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:29:21,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:29:21,034 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:29:21,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:29:21,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:29:21,036 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:29:21,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:29:21,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:29:21,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:29:21,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:29:21,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:29:21,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:29:21,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:29:21,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:29:21,038 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:29:21,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:29:21,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:29:21,038 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:29:21,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:29:21,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:29:21,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:29:21,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:29:21,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:29:21,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:29:21,040 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 16:29:21,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:29:21,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:29:21,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:29:21,340 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:29:21,341 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:29:21,341 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-07-17 16:29:21,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb1331284/128534c828bb42de918133498ce44210/FLAG9a85e3675 [2020-07-17 16:29:21,960 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:29:21,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-07-17 16:29:21,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb1331284/128534c828bb42de918133498ce44210/FLAG9a85e3675 [2020-07-17 16:29:22,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb1331284/128534c828bb42de918133498ce44210 [2020-07-17 16:29:22,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:29:22,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:29:22,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:29:22,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:29:22,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:29:22,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:29:22" (1/1) ... [2020-07-17 16:29:22,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e454fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:22, skipping insertion in model container [2020-07-17 16:29:22,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:29:22" (1/1) ... [2020-07-17 16:29:22,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:29:22,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:29:22,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:29:22,740 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:29:22,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:29:23,013 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:29:23,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:23 WrapperNode [2020-07-17 16:29:23,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:29:23,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:29:23,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:29:23,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:29:23,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:23" (1/1) ... [2020-07-17 16:29:23,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:23" (1/1) ... [2020-07-17 16:29:23,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:23" (1/1) ... [2020-07-17 16:29:23,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:23" (1/1) ... [2020-07-17 16:29:23,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:23" (1/1) ... [2020-07-17 16:29:23,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:23" (1/1) ... [2020-07-17 16:29:23,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:23" (1/1) ... [2020-07-17 16:29:23,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:29:23,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:29:23,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:29:23,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:29:23,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:23" (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 [2020-07-17 16:29:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:29:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:29:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:29:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:29:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:29:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:29:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:29:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:29:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:29:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:29:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:29:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:29:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:29:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:29:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:29:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:29:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-17 16:29:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-17 16:29:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:29:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:29:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:29:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:29:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:29:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:29:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:29:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:29:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:29:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:29:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:29:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:29:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:29:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:29:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:29:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:29:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:29:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:29:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:29:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:29:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 16:29:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:29:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:29:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:29:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:29:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:29:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:29:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:29:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:29:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:29:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:29:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-17 16:29:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:29:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:29:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:29:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:29:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:29:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:29:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:29:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:29:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:29:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:29:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:29:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:29:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:29:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:29:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-17 16:29:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:29:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:29:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:29:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:29:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:29:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:29:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:29:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:29:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:29:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:29:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:29:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:29:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:29:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:29:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:29:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:29:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:29:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 16:29:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:29:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:29:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:29:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:29:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:29:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:29:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:29:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:29:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:29:24,364 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:29:24,364 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:29:24,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:29:24 BoogieIcfgContainer [2020-07-17 16:29:24,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:29:24,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:29:24,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:29:24,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:29:24,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:29:22" (1/3) ... [2020-07-17 16:29:24,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2887c26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:29:24, skipping insertion in model container [2020-07-17 16:29:24,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:23" (2/3) ... [2020-07-17 16:29:24,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2887c26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:29:24, skipping insertion in model container [2020-07-17 16:29:24,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:29:24" (3/3) ... [2020-07-17 16:29:24,379 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2020-07-17 16:29:24,390 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:29:24,398 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:29:24,412 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:29:24,432 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:29:24,432 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:29:24,433 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:29:24,433 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:29:24,433 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:29:24,433 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:29:24,433 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:29:24,434 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:29:24,452 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states. [2020-07-17 16:29:24,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-17 16:29:24,472 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:24,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:24,473 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:24,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:24,480 INFO L82 PathProgramCache]: Analyzing trace with hash 2110285638, now seen corresponding path program 1 times [2020-07-17 16:29:24,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:24,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90187519] [2020-07-17 16:29:24,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,227 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:25,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90187519] [2020-07-17 16:29:25,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:25,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:29:25,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897823988] [2020-07-17 16:29:25,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:29:25,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:25,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:29:25,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:29:25,482 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 4 states. [2020-07-17 16:29:26,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:26,725 INFO L93 Difference]: Finished difference Result 442 states and 524 transitions. [2020-07-17 16:29:26,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 16:29:26,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-07-17 16:29:26,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:26,745 INFO L225 Difference]: With dead ends: 442 [2020-07-17 16:29:26,745 INFO L226 Difference]: Without dead ends: 287 [2020-07-17 16:29:26,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:29:26,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-07-17 16:29:26,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 240. [2020-07-17 16:29:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-07-17 16:29:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 259 transitions. [2020-07-17 16:29:26,884 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 259 transitions. Word has length 148 [2020-07-17 16:29:26,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:26,885 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 259 transitions. [2020-07-17 16:29:26,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:29:26,885 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 259 transitions. [2020-07-17 16:29:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-17 16:29:26,889 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:26,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:26,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:29:26,890 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:26,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:26,891 INFO L82 PathProgramCache]: Analyzing trace with hash 16536712, now seen corresponding path program 1 times [2020-07-17 16:29:26,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:26,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947358885] [2020-07-17 16:29:26,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,215 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:27,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [947358885] [2020-07-17 16:29:27,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:27,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 16:29:27,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700057210] [2020-07-17 16:29:27,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 16:29:27,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:27,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 16:29:27,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:29:27,339 INFO L87 Difference]: Start difference. First operand 240 states and 259 transitions. Second operand 5 states. [2020-07-17 16:29:27,915 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:28,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:28,758 INFO L93 Difference]: Finished difference Result 367 states and 415 transitions. [2020-07-17 16:29:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 16:29:28,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-07-17 16:29:28,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:28,764 INFO L225 Difference]: With dead ends: 367 [2020-07-17 16:29:28,764 INFO L226 Difference]: Without dead ends: 276 [2020-07-17 16:29:28,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 16:29:28,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-17 16:29:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 230. [2020-07-17 16:29:28,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-17 16:29:28,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 246 transitions. [2020-07-17 16:29:28,835 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 246 transitions. Word has length 149 [2020-07-17 16:29:28,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:28,836 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 246 transitions. [2020-07-17 16:29:28,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 16:29:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 246 transitions. [2020-07-17 16:29:28,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-17 16:29:28,838 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:28,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:28,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:29:28,839 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:28,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:28,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1541802730, now seen corresponding path program 1 times [2020-07-17 16:29:28,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:28,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178152226] [2020-07-17 16:29:28,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:29,279 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:29,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178152226] [2020-07-17 16:29:29,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:29,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 16:29:29,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835633734] [2020-07-17 16:29:29,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:29:29,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:29,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:29:29,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:29:29,484 INFO L87 Difference]: Start difference. First operand 230 states and 246 transitions. Second operand 11 states. [2020-07-17 16:29:30,121 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:30,451 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:29:30,721 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:29:30,978 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:31,249 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:29:31,553 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:33,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:33,091 INFO L93 Difference]: Finished difference Result 414 states and 480 transitions. [2020-07-17 16:29:33,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 16:29:33,092 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 162 [2020-07-17 16:29:33,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:33,097 INFO L225 Difference]: With dead ends: 414 [2020-07-17 16:29:33,098 INFO L226 Difference]: Without dead ends: 299 [2020-07-17 16:29:33,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-07-17 16:29:33,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-07-17 16:29:33,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 230. [2020-07-17 16:29:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-17 16:29:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 245 transitions. [2020-07-17 16:29:33,171 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 245 transitions. Word has length 162 [2020-07-17 16:29:33,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:33,171 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 245 transitions. [2020-07-17 16:29:33,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:29:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 245 transitions. [2020-07-17 16:29:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-17 16:29:33,175 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:33,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:33,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:29:33,176 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:33,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:33,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1425032231, now seen corresponding path program 1 times [2020-07-17 16:29:33,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:33,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499414973] [2020-07-17 16:29:33,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,496 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:33,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499414973] [2020-07-17 16:29:33,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:33,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 16:29:33,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340408539] [2020-07-17 16:29:33,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 16:29:33,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:33,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 16:29:33,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 16:29:33,696 INFO L87 Difference]: Start difference. First operand 230 states and 245 transitions. Second operand 8 states. [2020-07-17 16:29:34,293 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:35,875 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:36,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:36,547 INFO L93 Difference]: Finished difference Result 593 states and 710 transitions. [2020-07-17 16:29:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-17 16:29:36,549 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2020-07-17 16:29:36,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:36,554 INFO L225 Difference]: With dead ends: 593 [2020-07-17 16:29:36,554 INFO L226 Difference]: Without dead ends: 478 [2020-07-17 16:29:36,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-07-17 16:29:36,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-07-17 16:29:36,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 337. [2020-07-17 16:29:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-07-17 16:29:36,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 364 transitions. [2020-07-17 16:29:36,666 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 364 transitions. Word has length 170 [2020-07-17 16:29:36,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:36,667 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 364 transitions. [2020-07-17 16:29:36,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 16:29:36,667 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 364 transitions. [2020-07-17 16:29:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-07-17 16:29:36,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:36,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:36,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:29:36,671 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:36,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:36,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1572233247, now seen corresponding path program 1 times [2020-07-17 16:29:36,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:36,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037083381] [2020-07-17 16:29:36,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:36,950 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:37,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037083381] [2020-07-17 16:29:37,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:37,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 16:29:37,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267067117] [2020-07-17 16:29:37,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:29:37,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:37,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:29:37,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:29:37,188 INFO L87 Difference]: Start difference. First operand 337 states and 364 transitions. Second operand 11 states. [2020-07-17 16:29:37,774 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:39,273 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:39,526 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:29:39,772 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:39,997 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:40,237 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:29:40,469 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:40,697 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:41,044 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:42,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:42,389 INFO L93 Difference]: Finished difference Result 984 states and 1211 transitions. [2020-07-17 16:29:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-17 16:29:42,391 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2020-07-17 16:29:42,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:42,397 INFO L225 Difference]: With dead ends: 984 [2020-07-17 16:29:42,397 INFO L226 Difference]: Without dead ends: 762 [2020-07-17 16:29:42,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2020-07-17 16:29:42,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-07-17 16:29:42,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 513. [2020-07-17 16:29:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-07-17 16:29:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 559 transitions. [2020-07-17 16:29:42,598 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 559 transitions. Word has length 194 [2020-07-17 16:29:42,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:42,599 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 559 transitions. [2020-07-17 16:29:42,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:29:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 559 transitions. [2020-07-17 16:29:42,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-07-17 16:29:42,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:42,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:42,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:29:42,603 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:42,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:42,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1795239893, now seen corresponding path program 1 times [2020-07-17 16:29:42,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:42,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929948796] [2020-07-17 16:29:42,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:42,895 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:43,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929948796] [2020-07-17 16:29:43,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:43,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 16:29:43,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659427711] [2020-07-17 16:29:43,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 16:29:43,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:43,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 16:29:43,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-17 16:29:43,079 INFO L87 Difference]: Start difference. First operand 513 states and 559 transitions. Second operand 12 states. [2020-07-17 16:29:43,614 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:45,218 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:45,458 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:45,711 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:29:45,956 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:46,290 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:46,600 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:29:46,852 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:47,110 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:48,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:48,696 INFO L93 Difference]: Finished difference Result 1290 states and 1569 transitions. [2020-07-17 16:29:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-17 16:29:48,697 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 199 [2020-07-17 16:29:48,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:48,703 INFO L225 Difference]: With dead ends: 1290 [2020-07-17 16:29:48,704 INFO L226 Difference]: Without dead ends: 892 [2020-07-17 16:29:48,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=434, Invalid=1206, Unknown=0, NotChecked=0, Total=1640 [2020-07-17 16:29:48,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-07-17 16:29:48,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 511. [2020-07-17 16:29:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-07-17 16:29:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 555 transitions. [2020-07-17 16:29:48,858 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 555 transitions. Word has length 199 [2020-07-17 16:29:48,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:48,859 INFO L479 AbstractCegarLoop]: Abstraction has 511 states and 555 transitions. [2020-07-17 16:29:48,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 16:29:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 555 transitions. [2020-07-17 16:29:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-07-17 16:29:48,862 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:48,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:48,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:29:48,863 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:48,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:48,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1512917738, now seen corresponding path program 1 times [2020-07-17 16:29:48,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:48,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213316209] [2020-07-17 16:29:48,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,104 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:49,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213316209] [2020-07-17 16:29:49,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:49,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 16:29:49,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416306364] [2020-07-17 16:29:49,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 16:29:49,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:49,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 16:29:49,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-17 16:29:49,293 INFO L87 Difference]: Start difference. First operand 511 states and 555 transitions. Second operand 12 states. [2020-07-17 16:29:50,543 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:50,779 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:29:51,030 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 16:29:51,270 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:51,525 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:29:51,747 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:53,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:53,410 INFO L93 Difference]: Finished difference Result 1298 states and 1591 transitions. [2020-07-17 16:29:53,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 16:29:53,411 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2020-07-17 16:29:53,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:53,417 INFO L225 Difference]: With dead ends: 1298 [2020-07-17 16:29:53,418 INFO L226 Difference]: Without dead ends: 902 [2020-07-17 16:29:53,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-07-17 16:29:53,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-07-17 16:29:53,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 527. [2020-07-17 16:29:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-07-17 16:29:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 571 transitions. [2020-07-17 16:29:53,566 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 571 transitions. Word has length 200 [2020-07-17 16:29:53,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:53,567 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 571 transitions. [2020-07-17 16:29:53,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 16:29:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 571 transitions. [2020-07-17 16:29:53,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-07-17 16:29:53,570 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:53,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:53,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 16:29:53,570 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:53,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:53,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1642255734, now seen corresponding path program 1 times [2020-07-17 16:29:53,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:53,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867771254] [2020-07-17 16:29:53,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,849 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:54,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867771254] [2020-07-17 16:29:54,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:54,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-17 16:29:54,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698184421] [2020-07-17 16:29:54,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 16:29:54,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:54,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 16:29:54,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:29:54,064 INFO L87 Difference]: Start difference. First operand 527 states and 571 transitions. Second operand 15 states. [2020-07-17 16:29:54,675 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:54,968 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:29:55,195 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:55,431 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:29:55,651 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:56,495 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:56,728 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:29:56,977 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:57,236 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:29:57,478 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:59,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:59,090 INFO L93 Difference]: Finished difference Result 1336 states and 1656 transitions. [2020-07-17 16:29:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-17 16:29:59,092 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 200 [2020-07-17 16:29:59,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:59,098 INFO L225 Difference]: With dead ends: 1336 [2020-07-17 16:29:59,098 INFO L226 Difference]: Without dead ends: 924 [2020-07-17 16:29:59,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2020-07-17 16:29:59,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-07-17 16:29:59,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 539. [2020-07-17 16:29:59,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-07-17 16:29:59,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 583 transitions. [2020-07-17 16:29:59,391 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 583 transitions. Word has length 200 [2020-07-17 16:29:59,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:59,392 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 583 transitions. [2020-07-17 16:29:59,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 16:29:59,392 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 583 transitions. [2020-07-17 16:29:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-07-17 16:29:59,396 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:59,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:59,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 16:29:59,397 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:59,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:59,397 INFO L82 PathProgramCache]: Analyzing trace with hash -488866957, now seen corresponding path program 1 times [2020-07-17 16:29:59,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:59,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916988786] [2020-07-17 16:29:59,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,635 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:59,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:59,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916988786] [2020-07-17 16:29:59,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:59,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:29:59,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640711146] [2020-07-17 16:29:59,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:29:59,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:59,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:29:59,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:29:59,844 INFO L87 Difference]: Start difference. First operand 539 states and 583 transitions. Second operand 9 states. [2020-07-17 16:30:00,329 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:00,876 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:04,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:04,324 INFO L93 Difference]: Finished difference Result 2025 states and 2572 transitions. [2020-07-17 16:30:04,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-17 16:30:04,325 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 200 [2020-07-17 16:30:04,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:04,335 INFO L225 Difference]: With dead ends: 2025 [2020-07-17 16:30:04,335 INFO L226 Difference]: Without dead ends: 1601 [2020-07-17 16:30:04,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=290, Invalid=1042, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 16:30:04,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2020-07-17 16:30:04,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 957. [2020-07-17 16:30:04,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 957 states. [2020-07-17 16:30:04,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1063 transitions. [2020-07-17 16:30:04,659 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1063 transitions. Word has length 200 [2020-07-17 16:30:04,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:04,659 INFO L479 AbstractCegarLoop]: Abstraction has 957 states and 1063 transitions. [2020-07-17 16:30:04,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:30:04,660 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1063 transitions. [2020-07-17 16:30:04,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-07-17 16:30:04,662 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:04,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:04,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 16:30:04,663 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:04,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:04,663 INFO L82 PathProgramCache]: Analyzing trace with hash -390526145, now seen corresponding path program 1 times [2020-07-17 16:30:04,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:04,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [657496113] [2020-07-17 16:30:04,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:04,979 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:30:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:30:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:30:05,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [657496113] [2020-07-17 16:30:05,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:30:05,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:30:05,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778859312] [2020-07-17 16:30:05,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:30:05,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:30:05,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:30:05,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:30:05,209 INFO L87 Difference]: Start difference. First operand 957 states and 1063 transitions. Second operand 9 states. [2020-07-17 16:30:05,844 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:30:08,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:30:08,945 INFO L93 Difference]: Finished difference Result 2467 states and 3159 transitions. [2020-07-17 16:30:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-17 16:30:08,945 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-07-17 16:30:08,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:30:08,961 INFO L225 Difference]: With dead ends: 2467 [2020-07-17 16:30:08,962 INFO L226 Difference]: Without dead ends: 2464 [2020-07-17 16:30:08,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=297, Invalid=963, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 16:30:08,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2020-07-17 16:30:09,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 1476. [2020-07-17 16:30:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1476 states. [2020-07-17 16:30:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1655 transitions. [2020-07-17 16:30:09,717 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1655 transitions. Word has length 205 [2020-07-17 16:30:09,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:09,720 INFO L479 AbstractCegarLoop]: Abstraction has 1476 states and 1655 transitions. [2020-07-17 16:30:09,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:30:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1655 transitions. [2020-07-17 16:30:09,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-07-17 16:30:09,727 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:09,728 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:09,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 16:30:09,728 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:09,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:09,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1476221887, now seen corresponding path program 1 times [2020-07-17 16:30:09,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:09,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036179051] [2020-07-17 16:30:09,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:30:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:30:10,184 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:30:10,184 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:30:10,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 16:30:10,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:30:10 BoogieIcfgContainer [2020-07-17 16:30:10,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:30:10,495 INFO L168 Benchmark]: Toolchain (without parser) took 48188.42 ms. Allocated memory was 137.9 MB in the beginning and 924.8 MB in the end (delta: 787.0 MB). Free memory was 102.2 MB in the beginning and 688.2 MB in the end (delta: -586.0 MB). Peak memory consumption was 200.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:10,496 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 16:30:10,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.31 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 173.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:10,497 INFO L168 Benchmark]: Boogie Preprocessor took 109.16 ms. Allocated memory is still 203.4 MB. Free memory was 173.3 MB in the beginning and 169.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:10,498 INFO L168 Benchmark]: RCFGBuilder took 1246.75 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 169.1 MB in the beginning and 181.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:10,499 INFO L168 Benchmark]: TraceAbstraction took 46121.90 ms. Allocated memory was 235.4 MB in the beginning and 924.8 MB in the end (delta: 689.4 MB). Free memory was 179.7 MB in the beginning and 688.2 MB in the end (delta: -508.5 MB). Peak memory consumption was 180.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:10,502 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.31 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 173.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.16 ms. Allocated memory is still 203.4 MB. Free memory was 173.3 MB in the beginning and 169.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1246.75 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 169.1 MB in the beginning and 181.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46121.90 ms. Allocated memory was 235.4 MB in the beginning and 924.8 MB in the end (delta: 689.4 MB). Free memory was 179.7 MB in the beginning and 688.2 MB in the end (delta: -508.5 MB). Peak memory consumption was 180.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 249]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=176, \old(head)=165, \old(head)=177, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=143, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=172, methaneLevelCritical=143, pumpRunning=133, systemActive=132, waterLevel=140] [L151] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=143, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=172, methaneLevelCritical=143, pumpRunning=133, systemActive=132, waterLevel=1] [L152] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=176, \old(head)=165, \old(head)=177, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=143, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=172, methaneLevelCritical=0, pumpRunning=133, systemActive=132, waterLevel=1] [L255] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=143, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=140, cleanupTimeShifts=4, head={177:165}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=133, systemActive=132, waterLevel=1] [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=176, \old(head)=177, \old(head)=165, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=143, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=133, systemActive=132, waterLevel=1] [L765] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=176, \old(head)=165, \old(head)=177, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=143, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=132, waterLevel=1] [L766] int systemActive = 1; VAL [\old(cleanupTimeShifts)=176, \old(head)=165, \old(head)=177, \old(methAndRunningLastTime)=172, \old(methaneLevelCritical)=143, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L124] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L320] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L323] retValue_acc = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L324] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L132] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L260] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L697] int splverifierCounter ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L698] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L699] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] int tmp___1 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L701] int tmp___2 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L704] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L706] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L708] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L714] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L716] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L718] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE waterLevel < 2 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L718] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L726] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L728] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L181] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L184] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L728] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L736] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L738] CALL startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L920] systemActive = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L738] RET startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L772] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L898] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L899] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L900] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L231] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(waterLevel < 2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L238] retValue_acc = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L239] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L904] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] tmp = isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L906] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L909] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L911] retValue_acc = tmp___0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L912] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L806] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] tmp = isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L808] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L810] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L829] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L810] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L265] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L190] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L193] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L853] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L856] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L277] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L282] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L787] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L751] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L706] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L708] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L714] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L716] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L726] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L736] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L738] CALL startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] systemActive = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L738] RET startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L772] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L774] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L158] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L774] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L804] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L819] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L265] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L190] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L193] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L853] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L856] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L277] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L279] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L249] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 619 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 45.7s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 37.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2274 SDtfs, 8327 SDslu, 4940 SDs, 0 SdLazy, 9717 SolverSat, 2326 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 542 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1726 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1476occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 3325 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 2095 NumberOfCodeBlocks, 2095 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1817 ConstructedInterpolants, 0 QuantifiedInterpolants, 816257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...