/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_spec1_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 03:56:49,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 03:56:49,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 03:56:49,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 03:56:49,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 03:56:49,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 03:56:49,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 03:56:49,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 03:56:49,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 03:56:49,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 03:56:49,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 03:56:49,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 03:56:49,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 03:56:49,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 03:56:49,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 03:56:49,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 03:56:49,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 03:56:49,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 03:56:49,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 03:56:49,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 03:56:49,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 03:56:49,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 03:56:49,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 03:56:49,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 03:56:49,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 03:56:49,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 03:56:49,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 03:56:49,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 03:56:49,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 03:56:49,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 03:56:49,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 03:56:49,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 03:56:49,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 03:56:49,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 03:56:49,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 03:56:49,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 03:56:49,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 03:56:49,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 03:56:49,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 03:56:49,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 03:56:49,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 03:56:49,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 03:56:49,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 03:56:49,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 03:56:49,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 03:56:49,277 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 03:56:49,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 03:56:49,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 03:56:49,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 03:56:49,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 03:56:49,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 03:56:49,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 03:56:49,279 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 03:56:49,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 03:56:49,280 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 03:56:49,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 03:56:49,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 03:56:49,281 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 03:56:49,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 03:56:49,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 03:56:49,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 03:56:49,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 03:56:49,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 03:56:49,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 03:56:49,282 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 03:56:49,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 03:56:49,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 03:56:49,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 03:56:49,717 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 03:56:49,718 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 03:56:49,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product54.cil.c [2020-11-07 03:56:49,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13e8a617a/b3ea428ded084d6ab178bd8710b742f5/FLAG4482f8bb0 [2020-11-07 03:56:50,482 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 03:56:50,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product54.cil.c [2020-11-07 03:56:50,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13e8a617a/b3ea428ded084d6ab178bd8710b742f5/FLAG4482f8bb0 [2020-11-07 03:56:50,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13e8a617a/b3ea428ded084d6ab178bd8710b742f5 [2020-11-07 03:56:50,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 03:56:50,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 03:56:50,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 03:56:50,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 03:56:50,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 03:56:50,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:56:50" (1/1) ... [2020-11-07 03:56:50,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4574d412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:50, skipping insertion in model container [2020-11-07 03:56:50,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:56:50" (1/1) ... [2020-11-07 03:56:50,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 03:56:50,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 03:56:51,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 03:56:51,197 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 03:56:51,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 03:56:51,362 INFO L208 MainTranslator]: Completed translation [2020-11-07 03:56:51,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:51 WrapperNode [2020-11-07 03:56:51,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 03:56:51,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 03:56:51,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 03:56:51,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 03:56:51,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:51" (1/1) ... [2020-11-07 03:56:51,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:51" (1/1) ... [2020-11-07 03:56:51,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:51" (1/1) ... [2020-11-07 03:56:51,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:51" (1/1) ... [2020-11-07 03:56:51,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:51" (1/1) ... [2020-11-07 03:56:51,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:51" (1/1) ... [2020-11-07 03:56:51,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:51" (1/1) ... [2020-11-07 03:56:51,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 03:56:51,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 03:56:51,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 03:56:51,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 03:56:51,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:51" (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 [2020-11-07 03:56:51,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 03:56:51,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 03:56:51,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 03:56:51,629 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 03:56:51,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 03:56:51,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 03:56:51,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 03:56:51,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 03:56:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 03:56:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 03:56:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 03:56:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 03:56:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 03:56:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 03:56:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-07 03:56:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 03:56:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 03:56:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 03:56:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 03:56:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 03:56:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 03:56:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 03:56:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 03:56:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 03:56:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 03:56:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 03:56:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 03:56:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 03:56:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-11-07 03:56:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 03:56:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 03:56:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 03:56:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 03:56:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 03:56:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 03:56:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 03:56:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 03:56:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 03:56:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 03:56:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 03:56:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 03:56:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 03:56:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 03:56:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 03:56:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 03:56:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 03:56:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 03:56:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 03:56:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 03:56:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 03:56:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 03:56:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 03:56:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 03:56:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 03:56:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 03:56:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 03:56:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 03:56:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 03:56:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 03:56:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 03:56:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 03:56:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 03:56:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 03:56:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 03:56:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 03:56:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 03:56:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 03:56:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 03:56:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 03:56:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 03:56:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 03:56:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 03:56:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-11-07 03:56:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 03:56:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 03:56:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 03:56:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 03:56:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 03:56:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-07 03:56:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 03:56:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 03:56:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 03:56:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 03:56:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 03:56:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 03:56:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 03:56:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 03:56:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 03:56:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 03:56:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 03:56:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 03:56:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 03:56:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 03:56:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 03:56:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 03:56:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 03:56:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 03:56:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 03:56:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 03:56:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 03:56:53,116 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 03:56:53,116 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 03:56:53,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:56:53 BoogieIcfgContainer [2020-11-07 03:56:53,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 03:56:53,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 03:56:53,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 03:56:53,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 03:56:53,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:56:50" (1/3) ... [2020-11-07 03:56:53,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24315cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:56:53, skipping insertion in model container [2020-11-07 03:56:53,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:51" (2/3) ... [2020-11-07 03:56:53,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24315cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:56:53, skipping insertion in model container [2020-11-07 03:56:53,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:56:53" (3/3) ... [2020-11-07 03:56:53,135 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product54.cil.c [2020-11-07 03:56:53,155 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 03:56:53,159 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 03:56:53,173 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 03:56:53,205 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 03:56:53,206 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 03:56:53,206 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 03:56:53,206 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 03:56:53,206 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 03:56:53,206 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 03:56:53,206 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 03:56:53,206 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 03:56:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2020-11-07 03:56:53,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 03:56:53,251 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:53,252 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] [2020-11-07 03:56:53,253 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:56:53,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:53,259 INFO L82 PathProgramCache]: Analyzing trace with hash 750238097, now seen corresponding path program 1 times [2020-11-07 03:56:53,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:53,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816499291] [2020-11-07 03:56:53,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:54,014 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:56:54,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:54,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:56:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:54,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:56:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:54,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:56:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:54,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:56:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:54,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:56:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:54,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 03:56:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:56:54,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816499291] [2020-11-07 03:56:54,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:54,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 03:56:54,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885544989] [2020-11-07 03:56:54,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 03:56:54,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:54,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 03:56:54,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 03:56:54,264 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 3 states. [2020-11-07 03:56:56,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:56,046 INFO L93 Difference]: Finished difference Result 550 states and 654 transitions. [2020-11-07 03:56:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 03:56:56,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-07 03:56:56,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:56,076 INFO L225 Difference]: With dead ends: 550 [2020-11-07 03:56:56,076 INFO L226 Difference]: Without dead ends: 335 [2020-11-07 03:56:56,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 03:56:56,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-11-07 03:56:56,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 291. [2020-11-07 03:56:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-11-07 03:56:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 318 transitions. [2020-11-07 03:56:56,267 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 318 transitions. Word has length 148 [2020-11-07 03:56:56,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:56,268 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 318 transitions. [2020-11-07 03:56:56,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 03:56:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2020-11-07 03:56:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-07 03:56:56,295 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:56,296 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] [2020-11-07 03:56:56,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 03:56:56,296 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:56:56,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:56,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1617565100, now seen corresponding path program 1 times [2020-11-07 03:56:56,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:56,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1695817452] [2020-11-07 03:56:56,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:56,758 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:56:56,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:56,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:56:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:56,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:56:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:56:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:56,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:56:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 03:56:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:56,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 03:56:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:56:56,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1695817452] [2020-11-07 03:56:56,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:56,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 03:56:56,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408794669] [2020-11-07 03:56:56,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 03:56:56,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:56,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 03:56:56,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 03:56:56,901 INFO L87 Difference]: Start difference. First operand 291 states and 318 transitions. Second operand 4 states. [2020-11-07 03:56:57,596 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:58,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:58,816 INFO L93 Difference]: Finished difference Result 460 states and 521 transitions. [2020-11-07 03:56:58,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 03:56:58,819 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-11-07 03:56:58,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:58,824 INFO L225 Difference]: With dead ends: 460 [2020-11-07 03:56:58,824 INFO L226 Difference]: Without dead ends: 318 [2020-11-07 03:56:58,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 03:56:58,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-07 03:56:58,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 281. [2020-11-07 03:56:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-11-07 03:56:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions. [2020-11-07 03:56:58,936 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 149 [2020-11-07 03:56:58,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:58,937 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 305 transitions. [2020-11-07 03:56:58,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 03:56:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions. [2020-11-07 03:56:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-07 03:56:58,940 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:58,940 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] [2020-11-07 03:56:58,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 03:56:58,941 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:56:58,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:58,942 INFO L82 PathProgramCache]: Analyzing trace with hash 843521329, now seen corresponding path program 1 times [2020-11-07 03:56:58,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:58,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101705535] [2020-11-07 03:56:58,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:59,301 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:56:59,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:59,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:56:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:59,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:56:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:59,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:56:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:59,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:56:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:59,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 03:56:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:59,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 03:56:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:59,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 03:56:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:56:59,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101705535] [2020-11-07 03:56:59,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:59,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 03:56:59,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612572317] [2020-11-07 03:56:59,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 03:56:59,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:59,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 03:56:59,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 03:56:59,470 INFO L87 Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 10 states. [2020-11-07 03:57:00,086 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:00,430 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:57:00,746 WARN L194 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 03:57:01,026 WARN L194 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:01,303 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:57:01,614 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:03,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:03,612 INFO L93 Difference]: Finished difference Result 506 states and 583 transitions. [2020-11-07 03:57:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 03:57:03,614 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-11-07 03:57:03,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:03,623 INFO L225 Difference]: With dead ends: 506 [2020-11-07 03:57:03,623 INFO L226 Difference]: Without dead ends: 340 [2020-11-07 03:57:03,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-11-07 03:57:03,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-11-07 03:57:03,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 281. [2020-11-07 03:57:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-11-07 03:57:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 304 transitions. [2020-11-07 03:57:03,761 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 304 transitions. Word has length 162 [2020-11-07 03:57:03,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:03,761 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 304 transitions. [2020-11-07 03:57:03,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 03:57:03,762 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 304 transitions. [2020-11-07 03:57:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 03:57:03,765 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:03,765 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] [2020-11-07 03:57:03,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 03:57:03,766 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:57:03,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:03,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1781222494, now seen corresponding path program 1 times [2020-11-07 03:57:03,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:03,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944571920] [2020-11-07 03:57:03,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,130 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:04,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 03:57:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 03:57:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-11-07 03:57:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-11-07 03:57:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:57:04,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944571920] [2020-11-07 03:57:04,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:04,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 03:57:04,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372571677] [2020-11-07 03:57:04,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 03:57:04,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:04,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 03:57:04,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-07 03:57:04,330 INFO L87 Difference]: Start difference. First operand 281 states and 304 transitions. Second operand 7 states. [2020-11-07 03:57:04,877 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:06,736 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:07,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:07,977 INFO L93 Difference]: Finished difference Result 694 states and 822 transitions. [2020-11-07 03:57:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 03:57:07,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-11-07 03:57:07,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:07,983 INFO L225 Difference]: With dead ends: 694 [2020-11-07 03:57:07,983 INFO L226 Difference]: Without dead ends: 528 [2020-11-07 03:57:07,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-11-07 03:57:07,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-07 03:57:08,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 399. [2020-11-07 03:57:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-11-07 03:57:08,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 429 transitions. [2020-11-07 03:57:08,190 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 429 transitions. Word has length 180 [2020-11-07 03:57:08,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:08,191 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 429 transitions. [2020-11-07 03:57:08,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 03:57:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 429 transitions. [2020-11-07 03:57:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-07 03:57:08,194 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:08,195 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] [2020-11-07 03:57:08,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 03:57:08,195 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:57:08,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:08,196 INFO L82 PathProgramCache]: Analyzing trace with hash 841598671, now seen corresponding path program 1 times [2020-11-07 03:57:08,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:08,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [181470738] [2020-11-07 03:57:08,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,511 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:08,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 03:57:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 03:57:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:57:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:57:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-11-07 03:57:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-11-07 03:57:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:57:08,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [181470738] [2020-11-07 03:57:08,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:08,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 03:57:08,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657226582] [2020-11-07 03:57:08,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 03:57:08,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:08,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 03:57:08,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 03:57:08,743 INFO L87 Difference]: Start difference. First operand 399 states and 429 transitions. Second operand 10 states. [2020-11-07 03:57:09,328 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:11,180 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:11,492 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:57:11,796 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:12,074 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:12,365 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:57:12,677 WARN L194 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:13,009 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:13,412 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:15,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:15,527 INFO L93 Difference]: Finished difference Result 1155 states and 1383 transitions. [2020-11-07 03:57:15,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 03:57:15,527 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-11-07 03:57:15,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:15,534 INFO L225 Difference]: With dead ends: 1155 [2020-11-07 03:57:15,534 INFO L226 Difference]: Without dead ends: 871 [2020-11-07 03:57:15,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 03:57:15,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-11-07 03:57:15,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 645. [2020-11-07 03:57:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-11-07 03:57:15,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 700 transitions. [2020-11-07 03:57:15,821 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 700 transitions. Word has length 204 [2020-11-07 03:57:15,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:15,821 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 700 transitions. [2020-11-07 03:57:15,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 03:57:15,822 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 700 transitions. [2020-11-07 03:57:15,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-11-07 03:57:15,825 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:15,825 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, 1, 1, 1, 1] [2020-11-07 03:57:15,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 03:57:15,826 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:57:15,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:15,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1054712920, now seen corresponding path program 1 times [2020-11-07 03:57:15,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:15,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899171477] [2020-11-07 03:57:15,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,158 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:16,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:57:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 03:57:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 03:57:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:57:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:57:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-11-07 03:57:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-11-07 03:57:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:16,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:57:16,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899171477] [2020-11-07 03:57:16,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:16,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 03:57:16,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622436799] [2020-11-07 03:57:16,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 03:57:16,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:16,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 03:57:16,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 03:57:16,405 INFO L87 Difference]: Start difference. First operand 645 states and 700 transitions. Second operand 11 states. [2020-11-07 03:57:16,965 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:18,678 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:18,996 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:19,361 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:57:19,645 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:19,960 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:20,305 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:57:20,614 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:20,964 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:22,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:22,832 INFO L93 Difference]: Finished difference Result 1007 states and 1235 transitions. [2020-11-07 03:57:22,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-11-07 03:57:22,833 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 209 [2020-11-07 03:57:22,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:22,840 INFO L225 Difference]: With dead ends: 1007 [2020-11-07 03:57:22,841 INFO L226 Difference]: Without dead ends: 1003 [2020-11-07 03:57:22,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-11-07 03:57:22,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-11-07 03:57:23,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 645. [2020-11-07 03:57:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-11-07 03:57:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 699 transitions. [2020-11-07 03:57:23,146 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 699 transitions. Word has length 209 [2020-11-07 03:57:23,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:23,147 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 699 transitions. [2020-11-07 03:57:23,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 03:57:23,147 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 699 transitions. [2020-11-07 03:57:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-11-07 03:57:23,150 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:23,150 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, 1, 1, 1, 1, 1] [2020-11-07 03:57:23,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 03:57:23,151 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:57:23,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:23,151 INFO L82 PathProgramCache]: Analyzing trace with hash -2074053688, now seen corresponding path program 1 times [2020-11-07 03:57:23,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:23,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035952382] [2020-11-07 03:57:23,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,437 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:23,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:57:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 03:57:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 03:57:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:57:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:57:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-11-07 03:57:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-11-07 03:57:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:57:23,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035952382] [2020-11-07 03:57:23,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:23,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 03:57:23,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220155063] [2020-11-07 03:57:23,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 03:57:23,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:23,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 03:57:23,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 03:57:23,658 INFO L87 Difference]: Start difference. First operand 645 states and 699 transitions. Second operand 11 states. [2020-11-07 03:57:24,968 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:25,256 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:57:25,548 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 03:57:25,828 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:26,134 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:57:26,414 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:28,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:28,531 INFO L93 Difference]: Finished difference Result 1543 states and 1850 transitions. [2020-11-07 03:57:28,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 03:57:28,532 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 210 [2020-11-07 03:57:28,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:28,540 INFO L225 Difference]: With dead ends: 1543 [2020-11-07 03:57:28,540 INFO L226 Difference]: Without dead ends: 1013 [2020-11-07 03:57:28,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 03:57:28,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2020-11-07 03:57:28,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 661. [2020-11-07 03:57:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-11-07 03:57:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 715 transitions. [2020-11-07 03:57:28,803 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 715 transitions. Word has length 210 [2020-11-07 03:57:28,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:28,803 INFO L481 AbstractCegarLoop]: Abstraction has 661 states and 715 transitions. [2020-11-07 03:57:28,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 03:57:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 715 transitions. [2020-11-07 03:57:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-11-07 03:57:28,806 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:28,806 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, 1, 1, 1, 1, 1] [2020-11-07 03:57:28,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 03:57:28,807 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:57:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:28,807 INFO L82 PathProgramCache]: Analyzing trace with hash -2136382424, now seen corresponding path program 1 times [2020-11-07 03:57:28,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:28,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512821370] [2020-11-07 03:57:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,130 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:29,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:57:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 03:57:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 03:57:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:57:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:57:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-11-07 03:57:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-11-07 03:57:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:57:29,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512821370] [2020-11-07 03:57:29,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:29,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 03:57:29,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004306518] [2020-11-07 03:57:29,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 03:57:29,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:29,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 03:57:29,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 03:57:29,379 INFO L87 Difference]: Start difference. First operand 661 states and 715 transitions. Second operand 14 states. [2020-11-07 03:57:30,006 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:30,292 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:57:30,568 WARN L194 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:30,850 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:57:31,119 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:32,043 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:32,316 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:57:32,608 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:32,933 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:57:33,224 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:35,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:35,209 INFO L93 Difference]: Finished difference Result 1581 states and 1915 transitions. [2020-11-07 03:57:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 03:57:35,210 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 210 [2020-11-07 03:57:35,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:35,217 INFO L225 Difference]: With dead ends: 1581 [2020-11-07 03:57:35,217 INFO L226 Difference]: Without dead ends: 1035 [2020-11-07 03:57:35,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 03:57:35,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2020-11-07 03:57:35,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 673. [2020-11-07 03:57:35,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-11-07 03:57:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 727 transitions. [2020-11-07 03:57:35,580 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 727 transitions. Word has length 210 [2020-11-07 03:57:35,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:35,581 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 727 transitions. [2020-11-07 03:57:35,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 03:57:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 727 transitions. [2020-11-07 03:57:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-11-07 03:57:35,583 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:35,583 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, 1, 1, 1, 1, 1] [2020-11-07 03:57:35,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 03:57:35,584 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:57:35,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:35,584 INFO L82 PathProgramCache]: Analyzing trace with hash 3523493, now seen corresponding path program 1 times [2020-11-07 03:57:35,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:35,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401673263] [2020-11-07 03:57:35,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,878 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:35,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:57:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:36,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 03:57:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:36,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 03:57:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:36,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:36,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:36,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:36,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:57:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:36,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:57:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:36,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-11-07 03:57:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:36,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-11-07 03:57:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 03:57:36,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401673263] [2020-11-07 03:57:36,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:36,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 03:57:36,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574930974] [2020-11-07 03:57:36,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 03:57:36,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:36,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 03:57:36,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 03:57:36,157 INFO L87 Difference]: Start difference. First operand 673 states and 727 transitions. Second operand 8 states. [2020-11-07 03:57:36,690 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:37,370 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:41,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:41,157 INFO L93 Difference]: Finished difference Result 2271 states and 2837 transitions. [2020-11-07 03:57:41,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 03:57:41,158 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 210 [2020-11-07 03:57:41,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:41,173 INFO L225 Difference]: With dead ends: 2271 [2020-11-07 03:57:41,173 INFO L226 Difference]: Without dead ends: 1713 [2020-11-07 03:57:41,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-11-07 03:57:41,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2020-11-07 03:57:41,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1135. [2020-11-07 03:57:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2020-11-07 03:57:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1267 transitions. [2020-11-07 03:57:41,653 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1267 transitions. Word has length 210 [2020-11-07 03:57:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:41,654 INFO L481 AbstractCegarLoop]: Abstraction has 1135 states and 1267 transitions. [2020-11-07 03:57:41,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 03:57:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1267 transitions. [2020-11-07 03:57:41,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-11-07 03:57:41,656 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:41,657 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:57:41,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 03:57:41,657 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 03:57:41,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:41,658 INFO L82 PathProgramCache]: Analyzing trace with hash -265082668, now seen corresponding path program 1 times [2020-11-07 03:57:41,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:41,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599905336] [2020-11-07 03:57:41,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 03:57:41,730 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 03:57:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 03:57:41,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 03:57:42,025 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 03:57:42,026 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 03:57:42,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 03:57:42,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:57:42 BoogieIcfgContainer [2020-11-07 03:57:42,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 03:57:42,266 INFO L168 Benchmark]: Toolchain (without parser) took 51462.53 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 126.1 MB in the beginning and 344.3 MB in the end (delta: -218.2 MB). Peak memory consumption was 415.9 MB. Max. memory is 8.0 GB. [2020-11-07 03:57:42,267 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 03:57:42,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.34 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-11-07 03:57:42,269 INFO L168 Benchmark]: Boogie Preprocessor took 178.90 ms. Allocated memory is still 151.0 MB. Free memory was 104.2 MB in the beginning and 132.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. [2020-11-07 03:57:42,270 INFO L168 Benchmark]: RCFGBuilder took 1576.19 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 78.6 MB in the end (delta: 53.3 MB). Peak memory consumption was 58.1 MB. Max. memory is 8.0 GB. [2020-11-07 03:57:42,271 INFO L168 Benchmark]: TraceAbstraction took 49135.74 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 78.6 MB in the beginning and 344.3 MB in the end (delta: -265.8 MB). Peak memory consumption was 367.0 MB. Max. memory is 8.0 GB. [2020-11-07 03:57:42,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 550.34 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 178.90 ms. Allocated memory is still 151.0 MB. Free memory was 104.2 MB in the beginning and 132.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1576.19 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 78.6 MB in the end (delta: 53.3 MB). Peak memory consumption was 58.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 49135.74 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 78.6 MB in the beginning and 344.3 MB in the end (delta: -265.8 MB). Peak memory consumption was 367.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=149, pumpRunning=141, systemActive=140, waterLevel=143] [L231] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=149, pumpRunning=0, systemActive=140, waterLevel=143] [L232] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=143] [L693] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=143] [L891] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=1] [L892] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L124] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L492] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L493] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L132] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L148] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L149] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L150] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L151] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L152] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L157] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L159] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L167] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L169] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L909] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L910] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L169] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L175] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L177] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L179] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L921] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L179] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L185] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L187] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L189] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L458] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L189] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L202] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L239] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L246] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L248] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L320] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L323] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L338] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L294] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L297] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L312] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L268] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L271] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L273] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L417] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L418] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L419] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L423] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L971] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L974] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L978] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L979] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L423] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L423] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L425] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L428] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L430] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L431] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L273] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L273] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L275] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L277] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L348] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L277] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L312] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L338] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L248] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L254] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L499] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L500] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L504] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L930] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L933] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L934] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L504] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L504] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L506] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L508] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L372] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L375] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L376] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L508] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L508] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L510] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L512] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L218] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec1_product54.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 666 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 48.8s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 40.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2499 SDtfs, 6131 SDslu, 4628 SDs, 0 SdLazy, 10166 SolverSat, 1978 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 274 SyntacticMatches, 4 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1135occurred in iteration=9, 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, 9 MinimizatonAttempts, 2145 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1897 NumberOfCodeBlocks, 1897 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1673 ConstructedInterpolants, 0 QuantifiedInterpolants, 785264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...