/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_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 03:56:52,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 03:56:52,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 03:56:52,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 03:56:52,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 03:56:52,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 03:56:52,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 03:56:52,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 03:56:52,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 03:56:52,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 03:56:52,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 03:56:52,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 03:56:52,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 03:56:52,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 03:56:52,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 03:56:52,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 03:56:52,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 03:56:52,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 03:56:52,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 03:56:52,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 03:56:52,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 03:56:52,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 03:56:52,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 03:56:52,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 03:56:52,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 03:56:52,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 03:56:52,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 03:56:52,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 03:56:52,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 03:56:52,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 03:56:52,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 03:56:52,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 03:56:52,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 03:56:52,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 03:56:52,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 03:56:52,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 03:56:52,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 03:56:52,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 03:56:52,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 03:56:52,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 03:56:52,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 03:56:52,806 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 03:56:52,829 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 03:56:52,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 03:56:52,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 03:56:52,833 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 03:56:52,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 03:56:52,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 03:56:52,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 03:56:52,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 03:56:52,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 03:56:52,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 03:56:52,835 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 03:56:52,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 03:56:52,836 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 03:56:52,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 03:56:52,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 03:56:52,836 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 03:56:52,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 03:56:52,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 03:56:52,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 03:56:52,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 03:56:52,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 03:56:52,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 03:56:52,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 03:56:53,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 03:56:53,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 03:56:53,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 03:56:53,239 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 03:56:53,240 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 03:56:53,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product55.cil.c [2020-11-07 03:56:53,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61d98e079/b76c82e103714fdf9193048495092e39/FLAG44c25a4a7 [2020-11-07 03:56:54,102 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 03:56:54,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product55.cil.c [2020-11-07 03:56:54,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61d98e079/b76c82e103714fdf9193048495092e39/FLAG44c25a4a7 [2020-11-07 03:56:54,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61d98e079/b76c82e103714fdf9193048495092e39 [2020-11-07 03:56:54,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 03:56:54,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 03:56:54,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 03:56:54,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 03:56:54,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 03:56:54,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:56:54" (1/1) ... [2020-11-07 03:56:54,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f50ce97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54, skipping insertion in model container [2020-11-07 03:56:54,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:56:54" (1/1) ... [2020-11-07 03:56:54,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 03:56:54,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 03:56:54,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 03:56:54,777 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 03:56:54,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 03:56:54,994 INFO L208 MainTranslator]: Completed translation [2020-11-07 03:56:54,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54 WrapperNode [2020-11-07 03:56:54,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 03:56:54,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 03:56:54,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 03:56:54,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 03:56:55,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54" (1/1) ... [2020-11-07 03:56:55,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54" (1/1) ... [2020-11-07 03:56:55,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54" (1/1) ... [2020-11-07 03:56:55,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54" (1/1) ... [2020-11-07 03:56:55,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54" (1/1) ... [2020-11-07 03:56:55,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54" (1/1) ... [2020-11-07 03:56:55,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54" (1/1) ... [2020-11-07 03:56:55,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 03:56:55,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 03:56:55,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 03:56:55,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 03:56:55,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 03:56:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 03:56:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 03:56:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 03:56:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 03:56:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 03:56:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 03:56:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 03:56:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 03:56:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 03:56:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 03:56:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 03:56:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 03:56:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-07 03:56:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 03:56:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 03:56:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 03:56:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 03:56:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 03:56:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 03:56:55,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 03:56:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 03:56:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 03:56:55,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 03:56:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 03:56:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 03:56:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 03:56:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 03:56:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 03:56:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 03:56:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 03:56:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 03:56:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 03:56:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 03:56:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 03:56:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 03:56:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 03:56:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-11-07 03:56:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 03:56:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 03:56:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 03:56:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 03:56:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 03:56:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 03:56:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 03:56:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 03:56:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 03:56:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 03:56:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 03:56:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 03:56:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 03:56:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 03:56:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 03:56:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 03:56:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 03:56:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 03:56:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 03:56:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 03:56:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 03:56:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 03:56:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 03:56:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 03:56:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 03:56:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 03:56:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 03:56:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 03:56:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 03:56:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 03:56:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 03:56:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-11-07 03:56:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 03:56:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 03:56:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 03:56:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 03:56:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 03:56:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-07 03:56:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 03:56:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 03:56:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 03:56:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 03:56:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 03:56:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 03:56:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 03:56:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 03:56:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 03:56:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 03:56:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 03:56:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 03:56:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 03:56:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 03:56:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 03:56:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 03:56:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 03:56:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 03:56:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 03:56:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 03:56:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 03:56:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 03:56:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 03:56:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 03:56:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 03:56:56,723 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 03:56:56,724 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 03:56:56,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:56:56 BoogieIcfgContainer [2020-11-07 03:56:56,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 03:56:56,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 03:56:56,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 03:56:56,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 03:56:56,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:56:54" (1/3) ... [2020-11-07 03:56:56,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5670243d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:56:56, skipping insertion in model container [2020-11-07 03:56:56,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:54" (2/3) ... [2020-11-07 03:56:56,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5670243d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:56:56, skipping insertion in model container [2020-11-07 03:56:56,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:56:56" (3/3) ... [2020-11-07 03:56:56,735 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product55.cil.c [2020-11-07 03:56:56,751 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 03:56:56,755 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 03:56:56,768 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 03:56:56,792 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 03:56:56,792 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 03:56:56,792 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 03:56:56,793 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 03:56:56,793 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 03:56:56,793 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 03:56:56,793 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 03:56:56,793 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 03:56:56,818 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-11-07 03:56:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 03:56:56,839 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:56,840 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 03:56:56,840 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 03:56:56,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:56,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1293318628, now seen corresponding path program 1 times [2020-11-07 03:56:56,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:56,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907461443] [2020-11-07 03:56:56,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:57,721 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:56:57,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:57,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:56:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:57,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:56:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:57,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:56:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:57,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:56:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:57,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:56:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:57,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 03:56:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:57,879 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 03:56:57,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907461443] [2020-11-07 03:56:57,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:57,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 03:56:57,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707005337] [2020-11-07 03:56:57,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 03:56:57,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:57,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 03:56:57,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 03:56:57,907 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 3 states. [2020-11-07 03:56:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:59,753 INFO L93 Difference]: Finished difference Result 555 states and 663 transitions. [2020-11-07 03:56:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 03:56:59,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-07 03:56:59,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:59,775 INFO L225 Difference]: With dead ends: 555 [2020-11-07 03:56:59,775 INFO L226 Difference]: Without dead ends: 338 [2020-11-07 03:56:59,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 03:56:59,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-07 03:56:59,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 293. [2020-11-07 03:56:59,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-11-07 03:56:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 322 transitions. [2020-11-07 03:56:59,962 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 322 transitions. Word has length 148 [2020-11-07 03:56:59,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:59,963 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 322 transitions. [2020-11-07 03:56:59,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 03:56:59,964 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 322 transitions. [2020-11-07 03:56:59,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-07 03:56:59,969 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:59,969 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 03:56:59,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 03:56:59,970 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 03:56:59,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:59,970 INFO L82 PathProgramCache]: Analyzing trace with hash -530215176, now seen corresponding path program 1 times [2020-11-07 03:56:59,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:59,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441172517] [2020-11-07 03:56:59,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:00,451 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:00,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:00,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:00,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:00,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:00,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 03:57:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:00,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 03:57:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:00,561 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 03:57:00,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441172517] [2020-11-07 03:57:00,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:00,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 03:57:00,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376971555] [2020-11-07 03:57:00,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 03:57:00,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:00,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 03:57:00,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 03:57:00,566 INFO L87 Difference]: Start difference. First operand 293 states and 322 transitions. Second operand 4 states. [2020-11-07 03:57:01,382 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:02,889 INFO L93 Difference]: Finished difference Result 463 states and 526 transitions. [2020-11-07 03:57:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 03:57:02,890 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-11-07 03:57:02,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:02,896 INFO L225 Difference]: With dead ends: 463 [2020-11-07 03:57:02,896 INFO L226 Difference]: Without dead ends: 321 [2020-11-07 03:57:02,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 03:57:02,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-11-07 03:57:03,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 283. [2020-11-07 03:57:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-11-07 03:57:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 309 transitions. [2020-11-07 03:57:03,010 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 309 transitions. Word has length 149 [2020-11-07 03:57:03,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:03,011 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 309 transitions. [2020-11-07 03:57:03,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 03:57:03,011 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 309 transitions. [2020-11-07 03:57:03,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-11-07 03:57:03,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:03,014 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] [2020-11-07 03:57:03,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 03:57:03,015 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 03:57:03,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:03,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1179588164, now seen corresponding path program 1 times [2020-11-07 03:57:03,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:03,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650589141] [2020-11-07 03:57:03,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:03,493 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:03,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:03,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:03,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:03,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:03,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 03:57:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:03,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-11-07 03:57:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:03,727 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 03:57:03,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650589141] [2020-11-07 03:57:03,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:03,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 03:57:03,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797316277] [2020-11-07 03:57:03,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 03:57:03,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:03,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 03:57:03,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 03:57:03,732 INFO L87 Difference]: Start difference. First operand 283 states and 309 transitions. Second operand 9 states. [2020-11-07 03:57:04,435 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:04,909 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:57:05,300 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:57:05,684 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:06,083 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:57:06,500 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:07,663 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:10,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:10,891 INFO L93 Difference]: Finished difference Result 755 states and 875 transitions. [2020-11-07 03:57:10,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 03:57:10,893 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-11-07 03:57:10,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:10,899 INFO L225 Difference]: With dead ends: 755 [2020-11-07 03:57:10,899 INFO L226 Difference]: Without dead ends: 587 [2020-11-07 03:57:10,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-07 03:57:10,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-11-07 03:57:11,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 514. [2020-11-07 03:57:11,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-11-07 03:57:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 580 transitions. [2020-11-07 03:57:11,158 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 580 transitions. Word has length 158 [2020-11-07 03:57:11,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:11,159 INFO L481 AbstractCegarLoop]: Abstraction has 514 states and 580 transitions. [2020-11-07 03:57:11,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 03:57:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 580 transitions. [2020-11-07 03:57:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 03:57:11,163 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:11,163 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] [2020-11-07 03:57:11,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 03:57:11,164 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 03:57:11,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:11,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1825181719, now seen corresponding path program 1 times [2020-11-07 03:57:11,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:11,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039874651] [2020-11-07 03:57:11,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:11,581 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:11,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:11,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:11,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:11,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:11,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:11,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 03:57:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:11,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 03:57:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:11,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 03:57:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:11,785 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 03:57:11,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039874651] [2020-11-07 03:57:11,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:11,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 03:57:11,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054922307] [2020-11-07 03:57:11,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 03:57:11,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:11,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 03:57:11,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 03:57:11,789 INFO L87 Difference]: Start difference. First operand 514 states and 580 transitions. Second operand 9 states. [2020-11-07 03:57:12,426 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:13,743 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:14,161 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:57:14,753 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:15,147 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:15,893 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:16,401 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:57:16,843 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:17,580 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:19,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:19,184 INFO L93 Difference]: Finished difference Result 1434 states and 1723 transitions. [2020-11-07 03:57:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 03:57:19,185 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2020-11-07 03:57:19,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:19,193 INFO L225 Difference]: With dead ends: 1434 [2020-11-07 03:57:19,194 INFO L226 Difference]: Without dead ends: 1035 [2020-11-07 03:57:19,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-11-07 03:57:19,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2020-11-07 03:57:19,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 873. [2020-11-07 03:57:19,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 873 states. [2020-11-07 03:57:19,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1000 transitions. [2020-11-07 03:57:19,654 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1000 transitions. Word has length 167 [2020-11-07 03:57:19,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:19,654 INFO L481 AbstractCegarLoop]: Abstraction has 873 states and 1000 transitions. [2020-11-07 03:57:19,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 03:57:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1000 transitions. [2020-11-07 03:57:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-07 03:57:19,659 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:19,660 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] [2020-11-07 03:57:19,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 03:57:19,660 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 03:57:19,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:19,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1691769281, now seen corresponding path program 1 times [2020-11-07 03:57:19,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:19,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264042705] [2020-11-07 03:57:19,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:20,092 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:20,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:20,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:20,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:20,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:20,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:57:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:20,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 03:57:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:20,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 03:57:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:20,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 03:57:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:20,282 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 03:57:20,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264042705] [2020-11-07 03:57:20,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:20,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 03:57:20,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684844403] [2020-11-07 03:57:20,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 03:57:20,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:20,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 03:57:20,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 03:57:20,286 INFO L87 Difference]: Start difference. First operand 873 states and 1000 transitions. Second operand 10 states. [2020-11-07 03:57:20,931 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:22,515 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:22,914 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:57:23,326 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:23,737 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:57:24,118 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:25,164 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:25,567 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:26,095 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:27,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:27,986 INFO L93 Difference]: Finished difference Result 2227 states and 2752 transitions. [2020-11-07 03:57:27,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 03:57:27,987 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2020-11-07 03:57:27,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:27,998 INFO L225 Difference]: With dead ends: 2227 [2020-11-07 03:57:27,998 INFO L226 Difference]: Without dead ends: 1469 [2020-11-07 03:57:28,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 03:57:28,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2020-11-07 03:57:28,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1207. [2020-11-07 03:57:28,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-11-07 03:57:28,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1399 transitions. [2020-11-07 03:57:28,568 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1399 transitions. Word has length 172 [2020-11-07 03:57:28,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:28,569 INFO L481 AbstractCegarLoop]: Abstraction has 1207 states and 1399 transitions. [2020-11-07 03:57:28,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 03:57:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1399 transitions. [2020-11-07 03:57:28,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-07 03:57:28,574 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:28,574 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] [2020-11-07 03:57:28,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 03:57:28,574 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 03:57:28,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:28,575 INFO L82 PathProgramCache]: Analyzing trace with hash 938823713, now seen corresponding path program 1 times [2020-11-07 03:57:28,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:28,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193757812] [2020-11-07 03:57:28,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,948 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:28,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:28,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:57:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-11-07 03:57:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:57:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:57:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-11-07 03:57:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-07 03:57:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:29,160 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 03:57:29,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193757812] [2020-11-07 03:57:29,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:29,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 03:57:29,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955587583] [2020-11-07 03:57:29,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 03:57:29,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:29,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 03:57:29,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 03:57:29,163 INFO L87 Difference]: Start difference. First operand 1207 states and 1399 transitions. Second operand 10 states. [2020-11-07 03:57:30,880 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:31,264 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:57:31,693 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 03:57:32,088 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:32,524 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:57:32,886 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:34,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:34,765 INFO L93 Difference]: Finished difference Result 2703 states and 3313 transitions. [2020-11-07 03:57:34,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 03:57:34,766 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 206 [2020-11-07 03:57:34,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:34,778 INFO L225 Difference]: With dead ends: 2703 [2020-11-07 03:57:34,778 INFO L226 Difference]: Without dead ends: 1611 [2020-11-07 03:57:34,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-11-07 03:57:34,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2020-11-07 03:57:35,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1245. [2020-11-07 03:57:35,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2020-11-07 03:57:35,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1439 transitions. [2020-11-07 03:57:35,276 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1439 transitions. Word has length 206 [2020-11-07 03:57:35,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:35,277 INFO L481 AbstractCegarLoop]: Abstraction has 1245 states and 1439 transitions. [2020-11-07 03:57:35,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 03:57:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1439 transitions. [2020-11-07 03:57:35,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-07 03:57:35,281 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:35,281 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] [2020-11-07 03:57:35,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 03:57:35,282 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 03:57:35,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:35,282 INFO L82 PathProgramCache]: Analyzing trace with hash 876494977, now seen corresponding path program 1 times [2020-11-07 03:57:35,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:35,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794110598] [2020-11-07 03:57:35,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,679 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:35,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:57:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-11-07 03:57:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:57:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:57:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-11-07 03:57:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-07 03:57:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:35,953 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 03:57:35,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794110598] [2020-11-07 03:57:35,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:35,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-07 03:57:35,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997894026] [2020-11-07 03:57:35,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 03:57:35,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:35,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 03:57:35,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-11-07 03:57:35,956 INFO L87 Difference]: Start difference. First operand 1245 states and 1439 transitions. Second operand 13 states. [2020-11-07 03:57:36,726 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:57:37,100 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:57:37,474 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:37,839 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:57:38,191 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:39,389 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:39,774 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:57:40,210 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:40,624 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:57:41,012 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:57:43,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:43,462 INFO L93 Difference]: Finished difference Result 2785 states and 3460 transitions. [2020-11-07 03:57:43,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 03:57:43,463 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 206 [2020-11-07 03:57:43,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:43,476 INFO L225 Difference]: With dead ends: 2785 [2020-11-07 03:57:43,477 INFO L226 Difference]: Without dead ends: 1655 [2020-11-07 03:57:43,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-11-07 03:57:43,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2020-11-07 03:57:44,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1269. [2020-11-07 03:57:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1269 states. [2020-11-07 03:57:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1463 transitions. [2020-11-07 03:57:44,122 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1463 transitions. Word has length 206 [2020-11-07 03:57:44,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:44,123 INFO L481 AbstractCegarLoop]: Abstraction has 1269 states and 1463 transitions. [2020-11-07 03:57:44,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 03:57:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1463 transitions. [2020-11-07 03:57:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-07 03:57:44,128 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:44,128 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] [2020-11-07 03:57:44,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 03:57:44,129 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 03:57:44,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:44,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1278566402, now seen corresponding path program 1 times [2020-11-07 03:57:44,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:44,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [996668025] [2020-11-07 03:57:44,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,508 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:57:44,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:57:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:57:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:57:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:57:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:57:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:57:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-11-07 03:57:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:57:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:57:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:57:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-11-07 03:57:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-07 03:57:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:57:44,733 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 03:57:44,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [996668025] [2020-11-07 03:57:44,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:57:44,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 03:57:44,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707160266] [2020-11-07 03:57:44,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 03:57:44,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:57:44,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 03:57:44,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-07 03:57:44,735 INFO L87 Difference]: Start difference. First operand 1269 states and 1463 transitions. Second operand 7 states. [2020-11-07 03:57:45,374 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:46,119 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:57:50,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:57:50,409 INFO L93 Difference]: Finished difference Result 4124 states and 5143 transitions. [2020-11-07 03:57:50,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 03:57:50,410 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2020-11-07 03:57:50,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:57:50,428 INFO L225 Difference]: With dead ends: 4124 [2020-11-07 03:57:50,429 INFO L226 Difference]: Without dead ends: 2970 [2020-11-07 03:57:50,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-11-07 03:57:50,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2970 states. [2020-11-07 03:57:51,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2970 to 2465. [2020-11-07 03:57:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2465 states. [2020-11-07 03:57:51,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 2871 transitions. [2020-11-07 03:57:51,569 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 2871 transitions. Word has length 206 [2020-11-07 03:57:51,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:57:51,569 INFO L481 AbstractCegarLoop]: Abstraction has 2465 states and 2871 transitions. [2020-11-07 03:57:51,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 03:57:51,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 2871 transitions. [2020-11-07 03:57:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-07 03:57:51,573 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:57:51,574 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] [2020-11-07 03:57:51,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 03:57:51,574 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 03:57:51,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:57:51,575 INFO L82 PathProgramCache]: Analyzing trace with hash -582347972, now seen corresponding path program 1 times [2020-11-07 03:57:51,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:57:51,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495304383] [2020-11-07 03:57:51,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:57:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 03:57:51,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 03:57:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 03:57:51,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 03:57:51,917 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 03:57:51,917 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 03:57:51,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 03:57:52,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:57:52 BoogieIcfgContainer [2020-11-07 03:57:52,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 03:57:52,190 INFO L168 Benchmark]: Toolchain (without parser) took 57822.96 ms. Allocated memory was 163.6 MB in the beginning and 901.8 MB in the end (delta: 738.2 MB). Free memory was 138.4 MB in the beginning and 507.0 MB in the end (delta: -368.5 MB). Peak memory consumption was 370.1 MB. Max. memory is 8.0 GB. [2020-11-07 03:57:52,190 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 163.6 MB. Free memory is still 137.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 03:57:52,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.85 ms. Allocated memory is still 163.6 MB. Free memory was 137.8 MB in the beginning and 115.2 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-11-07 03:57:52,192 INFO L168 Benchmark]: Boogie Preprocessor took 96.05 ms. Allocated memory is still 163.6 MB. Free memory was 115.2 MB in the beginning and 111.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-07 03:57:52,192 INFO L168 Benchmark]: RCFGBuilder took 1633.51 ms. Allocated memory was 163.6 MB in the beginning and 207.6 MB in the end (delta: 44.0 MB). Free memory was 111.0 MB in the beginning and 138.9 MB in the end (delta: -27.9 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. [2020-11-07 03:57:52,193 INFO L168 Benchmark]: TraceAbstraction took 55459.71 ms. Allocated memory was 207.6 MB in the beginning and 901.8 MB in the end (delta: 694.2 MB). Free memory was 138.4 MB in the beginning and 507.0 MB in the end (delta: -368.6 MB). Peak memory consumption was 325.0 MB. Max. memory is 8.0 GB. [2020-11-07 03:57:52,196 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 163.6 MB. Free memory is still 137.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 621.85 ms. Allocated memory is still 163.6 MB. Free memory was 137.8 MB in the beginning and 115.2 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 96.05 ms. Allocated memory is still 163.6 MB. Free memory was 115.2 MB in the beginning and 111.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1633.51 ms. Allocated memory was 163.6 MB in the beginning and 207.6 MB in the end (delta: 44.0 MB). Free memory was 111.0 MB in the beginning and 138.9 MB in the end (delta: -27.9 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 55459.71 ms. Allocated memory was 207.6 MB in the beginning and 901.8 MB in the end (delta: 694.2 MB). Free memory was 138.4 MB in the beginning and 507.0 MB in the end (delta: -368.6 MB). Peak memory consumption was 325.0 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: [L161] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=180, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=140, waterLevel=144] [L162] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=180, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=144] [L401] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=180, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=1] [L402] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=180, head={182:170}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L513] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L586] 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] [L587] 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] [L591] 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] [L592] 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] [L593] 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] [L71] 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] [L74] 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] [L75] 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] [L593] 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] [L593] 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] [L595] 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] [L597] 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] [L598] 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] [L580] 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] [L86] 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] [L87] 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] [L88] 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] [L89] 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] [L90] 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] [L93] 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] [L95] 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] [L97] 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] [L103] 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] [L105] 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] [L107] 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] [L419] 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] [L420] 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] [L107] 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] [L113] 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] [L115] 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] [L117] 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] [L431] 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] [L434] 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] [L117] 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] [L123] 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] [L125] 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] [L140] 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] [L169] 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] [L176] 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] [L178] 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] [L250] 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] [L253] 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] [L268] 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] [L224] 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] [L227] 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] [L242] 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] [L198] 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] [L201] 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] [L203] 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] [L347] 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] [L348] 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] [L349] 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] [L353] 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] [L481] 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] [L484] 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] [L488] 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] [L489] 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] [L353] 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] [L353] 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] [L355] 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] [L358] 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] [L360] 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] [L361] 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] [L203] 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] [L203] 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] [L205] 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] [L207] 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] [L278] 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] [L207] 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] [L242] 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] [L268] 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] [L178] 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] [L184] 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] [L610] 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] [L611] 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] [L615] 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] [L440] 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] [L443] 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] [L444] 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] [L615] 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] [L615] 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] [L617] 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] [L619] 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] [L302] 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] [L305] 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] [L306] 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] [L619] 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] [L619] 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] [L621] 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] [L623] 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] [L508] 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_product55.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, 668 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 55.1s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 45.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2231 SDtfs, 4121 SDslu, 4100 SDs, 0 SdLazy, 9166 SolverSat, 1351 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 308 GetRequests, 196 SyntacticMatches, 5 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2465occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 1837 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1623 NumberOfCodeBlocks, 1623 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1404 ConstructedInterpolants, 0 QuantifiedInterpolants, 645262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...