/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:44:39,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:44:39,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:44:39,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:44:39,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:44:39,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:44:39,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:44:39,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:44:39,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:44:39,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:44:39,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:44:39,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:44:39,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:44:39,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:44:39,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:44:39,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:44:39,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:44:39,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:44:39,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:44:39,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:44:39,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:44:39,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:44:39,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:44:39,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:44:39,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 21:44:39,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 21:44:39,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 21:44:39,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 21:44:39,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 21:44:39,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 21:44:39,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:44:39,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:44:39,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:44:39,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:44:39,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:44:39,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:44:39,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:44:39,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:44:39,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:44:39,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:44:39,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:44:39,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 21:44:39,810 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:44:39,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:44:39,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:44:39,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:44:39,813 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:44:39,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:44:39,814 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:44:39,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:44:39,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:44:39,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:44:39,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:44:39,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:44:39,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:44:39,816 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:44:39,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:44:39,816 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:44:39,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:44:39,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:44:39,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:44:39,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:44:39,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:44:39,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:44:39,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:44:39,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:44:39,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:44:39,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:44:39,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:44:39,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:44:39,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:44:39,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:44:40,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:44:40,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:44:40,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:44:40,305 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:44:40,306 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:44:40,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product35.cil.c [2020-11-06 21:44:40,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7dafbe79/5b1c55fbff91408aa8d4ff3f3923043d/FLAGbd326dac0 [2020-11-06 21:44:41,100 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:44:41,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product35.cil.c [2020-11-06 21:44:41,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7dafbe79/5b1c55fbff91408aa8d4ff3f3923043d/FLAGbd326dac0 [2020-11-06 21:44:41,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7dafbe79/5b1c55fbff91408aa8d4ff3f3923043d [2020-11-06 21:44:41,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:44:41,362 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:44:41,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:44:41,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:44:41,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:44:41,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:44:41" (1/1) ... [2020-11-06 21:44:41,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e6630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41, skipping insertion in model container [2020-11-06 21:44:41,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:44:41" (1/1) ... [2020-11-06 21:44:41,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:44:41,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:44:41,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:44:41,859 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:44:41,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:44:41,991 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:44:41,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41 WrapperNode [2020-11-06 21:44:41,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:44:41,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:44:41,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:44:41,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:44:42,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41" (1/1) ... [2020-11-06 21:44:42,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41" (1/1) ... [2020-11-06 21:44:42,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41" (1/1) ... [2020-11-06 21:44:42,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41" (1/1) ... [2020-11-06 21:44:42,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41" (1/1) ... [2020-11-06 21:44:42,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41" (1/1) ... [2020-11-06 21:44:42,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41" (1/1) ... [2020-11-06 21:44:42,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:44:42,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:44:42,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:44:42,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:44:42,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41" (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 [2020-11-06 21:44:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:44:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:44:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 21:44:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:44:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 21:44:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-11-06 21:44:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 21:44:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-06 21:44:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 21:44:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 21:44:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 21:44:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 21:44:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 21:44:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 21:44:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-06 21:44:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-06 21:44:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 21:44:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 21:44:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 21:44:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 21:44:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:44:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 21:44:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 21:44:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 21:44:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 21:44:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 21:44:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 21:44:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 21:44:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 21:44:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 21:44:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 21:44:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 21:44:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 21:44:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 21:44:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 21:44:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 21:44:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 21:44:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 21:44:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-06 21:44:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:44:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:44:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:44:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:44:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 21:44:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 21:44:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 21:44:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 21:44:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-06 21:44:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 21:44:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 21:44:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 21:44:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 21:44:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 21:44:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 21:44:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-11-06 21:44:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 21:44:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 21:44:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 21:44:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-06 21:44:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 21:44:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 21:44:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 21:44:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 21:44:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-06 21:44:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-06 21:44:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 21:44:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 21:44:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 21:44:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 21:44:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 21:44:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 21:44:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 21:44:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:44:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 21:44:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 21:44:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 21:44:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 21:44:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 21:44:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:44:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 21:44:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 21:44:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:44:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 21:44:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 21:44:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:44:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 21:44:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 21:44:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 21:44:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 21:44:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:44:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:44:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:44:43,864 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:44:43,864 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 21:44:43,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:44:43 BoogieIcfgContainer [2020-11-06 21:44:43,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:44:43,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:44:43,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:44:43,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:44:43,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:44:41" (1/3) ... [2020-11-06 21:44:43,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cba2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:44:43, skipping insertion in model container [2020-11-06 21:44:43,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:44:41" (2/3) ... [2020-11-06 21:44:43,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cba2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:44:43, skipping insertion in model container [2020-11-06 21:44:43,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:44:43" (3/3) ... [2020-11-06 21:44:43,876 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product35.cil.c [2020-11-06 21:44:43,893 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:44:43,898 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 21:44:43,911 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 21:44:43,941 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:44:43,941 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:44:43,941 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:44:43,941 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:44:43,941 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:44:43,942 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:44:43,942 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:44:43,942 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:44:43,965 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-11-06 21:44:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-06 21:44:43,975 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:44:43,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:44:43,977 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]=== [2020-11-06 21:44:43,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:44:43,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1296621101, now seen corresponding path program 1 times [2020-11-06 21:44:43,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:44:43,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912242280] [2020-11-06 21:44:43,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:44:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:45,125 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:44:45,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:44:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:45,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:44:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:44:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:45,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:44:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:45,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:44:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:45,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:44:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:45,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:44:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:44:45,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912242280] [2020-11-06 21:44:45,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:44:45,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 21:44:45,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361883334] [2020-11-06 21:44:45,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 21:44:45,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:44:45,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 21:44:45,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 21:44:45,259 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 3 states. [2020-11-06 21:44:46,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:44:46,442 INFO L93 Difference]: Finished difference Result 274 states and 360 transitions. [2020-11-06 21:44:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 21:44:46,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-11-06 21:44:46,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:44:46,463 INFO L225 Difference]: With dead ends: 274 [2020-11-06 21:44:46,464 INFO L226 Difference]: Without dead ends: 147 [2020-11-06 21:44:46,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 21:44:46,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-11-06 21:44:46,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 115. [2020-11-06 21:44:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-06 21:44:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-11-06 21:44:46,566 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 47 [2020-11-06 21:44:46,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:44:46,566 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-11-06 21:44:46,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 21:44:46,566 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-11-06 21:44:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-06 21:44:46,570 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:44:46,571 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] [2020-11-06 21:44:46,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:44:46,571 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]=== [2020-11-06 21:44:46,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:44:46,574 INFO L82 PathProgramCache]: Analyzing trace with hash 998520701, now seen corresponding path program 1 times [2020-11-06 21:44:46,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:44:46,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136781144] [2020-11-06 21:44:46,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:44:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:46,980 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:44:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:44:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:47,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:44:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:47,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:44:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:47,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:44:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:47,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:44:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:47,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:44:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:47,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-11-06 21:44:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:44:47,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136781144] [2020-11-06 21:44:47,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:44:47,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:44:47,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524543034] [2020-11-06 21:44:47,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:44:47,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:44:47,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:44:47,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:44:47,074 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 4 states. [2020-11-06 21:44:47,662 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:44:48,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:44:48,429 INFO L93 Difference]: Finished difference Result 195 states and 237 transitions. [2020-11-06 21:44:48,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 21:44:48,430 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-11-06 21:44:48,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:44:48,433 INFO L225 Difference]: With dead ends: 195 [2020-11-06 21:44:48,433 INFO L226 Difference]: Without dead ends: 131 [2020-11-06 21:44:48,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:44:48,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-06 21:44:48,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 106. [2020-11-06 21:44:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-11-06 21:44:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-11-06 21:44:48,485 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 48 [2020-11-06 21:44:48,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:44:48,485 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-11-06 21:44:48,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:44:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-11-06 21:44:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-06 21:44:48,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:44:48,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:44:48,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:44:48,488 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]=== [2020-11-06 21:44:48,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:44:48,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1712454265, now seen corresponding path program 1 times [2020-11-06 21:44:48,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:44:48,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531475389] [2020-11-06 21:44:48,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:44:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:48,972 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:44:48,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:44:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:49,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:44:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:49,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:44:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:49,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:44:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:49,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:44:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:49,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:44:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:49,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:44:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:49,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:44:49,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531475389] [2020-11-06 21:44:49,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:44:49,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-06 21:44:49,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138337593] [2020-11-06 21:44:49,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 21:44:49,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:44:49,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 21:44:49,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-06 21:44:49,083 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 8 states. [2020-11-06 21:44:49,561 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:44:49,929 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:44:50,223 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:44:50,495 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:44:51,306 WARN L194 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:44:52,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:44:52,832 INFO L93 Difference]: Finished difference Result 367 states and 453 transitions. [2020-11-06 21:44:52,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 21:44:52,833 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-11-06 21:44:52,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:44:52,838 INFO L225 Difference]: With dead ends: 367 [2020-11-06 21:44:52,838 INFO L226 Difference]: Without dead ends: 285 [2020-11-06 21:44:52,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-06 21:44:52,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-11-06 21:44:52,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 217. [2020-11-06 21:44:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-11-06 21:44:52,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 259 transitions. [2020-11-06 21:44:52,927 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 259 transitions. Word has length 52 [2020-11-06 21:44:52,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:44:52,927 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 259 transitions. [2020-11-06 21:44:52,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 21:44:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 259 transitions. [2020-11-06 21:44:52,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-06 21:44:52,930 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:44:52,930 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] [2020-11-06 21:44:52,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:44:52,931 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]=== [2020-11-06 21:44:52,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:44:52,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1202631354, now seen corresponding path program 1 times [2020-11-06 21:44:52,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:44:52,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075056725] [2020-11-06 21:44:52,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:44:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:53,368 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:44:53,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:44:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:53,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:44:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:53,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:44:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:53,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:44:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:44:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:53,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:44:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:53,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:44:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:53,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-11-06 21:44:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:44:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:44:53,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075056725] [2020-11-06 21:44:53,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:44:53,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-06 21:44:53,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242299171] [2020-11-06 21:44:53,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 21:44:53,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:44:53,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 21:44:53,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-11-06 21:44:53,495 INFO L87 Difference]: Start difference. First operand 217 states and 259 transitions. Second operand 12 states. [2020-11-06 21:44:54,049 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:44:54,453 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:44:54,757 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:44:55,048 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:44:55,651 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:44:56,616 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:44:57,030 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:44:57,321 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:44:57,646 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:44:57,988 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:44:58,345 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:44:58,682 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:44:59,037 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:00,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:45:00,479 INFO L93 Difference]: Finished difference Result 863 states and 1200 transitions. [2020-11-06 21:45:00,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-06 21:45:00,480 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2020-11-06 21:45:00,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:45:00,490 INFO L225 Difference]: With dead ends: 863 [2020-11-06 21:45:00,490 INFO L226 Difference]: Without dead ends: 670 [2020-11-06 21:45:00,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-11-06 21:45:00,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2020-11-06 21:45:00,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 581. [2020-11-06 21:45:00,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-11-06 21:45:00,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 733 transitions. [2020-11-06 21:45:00,698 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 733 transitions. Word has length 58 [2020-11-06 21:45:00,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:45:00,699 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 733 transitions. [2020-11-06 21:45:00,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 21:45:00,699 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 733 transitions. [2020-11-06 21:45:00,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-06 21:45:00,703 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:45:00,703 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] [2020-11-06 21:45:00,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:45:00,704 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]=== [2020-11-06 21:45:00,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:45:00,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1052378900, now seen corresponding path program 1 times [2020-11-06 21:45:00,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:45:00,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653965176] [2020-11-06 21:45:00,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:45:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:00,988 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:45:00,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:45:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:01,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:45:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:01,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:45:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:01,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:45:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:45:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:45:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:01,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-06 21:45:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:45:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:01,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-06 21:45:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:45:01,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653965176] [2020-11-06 21:45:01,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:45:01,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 21:45:01,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900605616] [2020-11-06 21:45:01,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 21:45:01,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:45:01,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 21:45:01,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 21:45:01,104 INFO L87 Difference]: Start difference. First operand 581 states and 733 transitions. Second operand 6 states. [2020-11-06 21:45:01,525 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:45:03,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:45:03,224 INFO L93 Difference]: Finished difference Result 1444 states and 1942 transitions. [2020-11-06 21:45:03,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-06 21:45:03,230 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-11-06 21:45:03,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:45:03,238 INFO L225 Difference]: With dead ends: 1444 [2020-11-06 21:45:03,238 INFO L226 Difference]: Without dead ends: 887 [2020-11-06 21:45:03,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-11-06 21:45:03,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-11-06 21:45:03,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 823. [2020-11-06 21:45:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2020-11-06 21:45:03,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1041 transitions. [2020-11-06 21:45:03,456 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1041 transitions. Word has length 62 [2020-11-06 21:45:03,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:45:03,456 INFO L481 AbstractCegarLoop]: Abstraction has 823 states and 1041 transitions. [2020-11-06 21:45:03,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 21:45:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1041 transitions. [2020-11-06 21:45:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-06 21:45:03,460 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:45:03,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:45:03,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 21:45:03,462 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]=== [2020-11-06 21:45:03,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:45:03,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1714115883, now seen corresponding path program 1 times [2020-11-06 21:45:03,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:45:03,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586490338] [2020-11-06 21:45:03,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:45:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,829 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:45:03,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:45:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:45:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:45:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:45:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:45:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-11-06 21:45:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:45:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 21:45:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:45:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:45:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-11-06 21:45:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-06 21:45:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-11-06 21:45:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-06 21:45:03,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586490338] [2020-11-06 21:45:03,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009056844] [2020-11-06 21:45:03,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:45:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:04,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-06 21:45:04,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:45:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 21:45:04,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:45:04,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2020-11-06 21:45:04,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016023376] [2020-11-06 21:45:04,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-06 21:45:04,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:45:04,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-06 21:45:04,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-11-06 21:45:04,527 INFO L87 Difference]: Start difference. First operand 823 states and 1041 transitions. Second operand 15 states. [2020-11-06 21:45:05,412 WARN L194 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:06,194 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:06,866 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:07,887 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:08,324 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:45:10,027 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:45:10,371 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:45:10,767 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:11,387 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:45:11,881 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:12,159 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:45:12,644 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:45:13,261 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:45:13,594 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:14,060 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:14,379 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:14,696 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:15,114 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:15,453 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:16,157 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:16,496 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:16,849 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:17,165 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:45:17,450 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:18,388 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:18,769 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:19,111 WARN L194 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:19,471 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:45:19,857 WARN L194 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:45:20,226 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:45:20,614 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:45:20,943 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:45:21,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:45:21,799 INFO L93 Difference]: Finished difference Result 2177 states and 2918 transitions. [2020-11-06 21:45:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-11-06 21:45:21,799 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89 [2020-11-06 21:45:21,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:45:21,812 INFO L225 Difference]: With dead ends: 2177 [2020-11-06 21:45:21,812 INFO L226 Difference]: Without dead ends: 1607 [2020-11-06 21:45:21,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2216 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=1172, Invalid=5470, Unknown=0, NotChecked=0, Total=6642 [2020-11-06 21:45:21,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-11-06 21:45:22,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1416. [2020-11-06 21:45:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2020-11-06 21:45:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1771 transitions. [2020-11-06 21:45:22,184 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1771 transitions. Word has length 89 [2020-11-06 21:45:22,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:45:22,185 INFO L481 AbstractCegarLoop]: Abstraction has 1416 states and 1771 transitions. [2020-11-06 21:45:22,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-06 21:45:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1771 transitions. [2020-11-06 21:45:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-11-06 21:45:22,189 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:45:22,189 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:45:22,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-06 21:45:22,404 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]=== [2020-11-06 21:45:22,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:45:22,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1620815102, now seen corresponding path program 1 times [2020-11-06 21:45:22,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:45:22,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824918852] [2020-11-06 21:45:22,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:45:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,726 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:45:22,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:45:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:45:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:45:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:45:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:45:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:45:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:45:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:45:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:45:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:45:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-06 21:45:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:45:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-11-06 21:45:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-11-06 21:45:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:45:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 21:45:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-11-06 21:45:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:22,907 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-06 21:45:22,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824918852] [2020-11-06 21:45:22,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984451530] [2020-11-06 21:45:22,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:45:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:23,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-06 21:45:23,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:45:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 21:45:23,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 21:45:23,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-11-06 21:45:23,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781703901] [2020-11-06 21:45:23,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 21:45:23,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:45:23,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 21:45:23,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-06 21:45:23,160 INFO L87 Difference]: Start difference. First operand 1416 states and 1771 transitions. Second operand 6 states. [2020-11-06 21:45:23,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:45:23,604 INFO L93 Difference]: Finished difference Result 2802 states and 3587 transitions. [2020-11-06 21:45:23,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 21:45:23,604 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2020-11-06 21:45:23,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:45:23,616 INFO L225 Difference]: With dead ends: 2802 [2020-11-06 21:45:23,616 INFO L226 Difference]: Without dead ends: 1456 [2020-11-06 21:45:23,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-11-06 21:45:23,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2020-11-06 21:45:23,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1456. [2020-11-06 21:45:23,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1456 states. [2020-11-06 21:45:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1817 transitions. [2020-11-06 21:45:23,989 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1817 transitions. Word has length 110 [2020-11-06 21:45:23,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:45:23,992 INFO L481 AbstractCegarLoop]: Abstraction has 1456 states and 1817 transitions. [2020-11-06 21:45:23,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 21:45:23,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1817 transitions. [2020-11-06 21:45:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-11-06 21:45:23,997 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:45:23,997 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:45:24,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:45:24,212 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]=== [2020-11-06 21:45:24,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:45:24,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1566422204, now seen corresponding path program 1 times [2020-11-06 21:45:24,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:45:24,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695783114] [2020-11-06 21:45:24,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:45:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,589 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:45:24,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:45:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:45:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:45:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:45:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:45:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:45:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:45:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:45:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:45:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:45:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-06 21:45:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:45:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-11-06 21:45:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-11-06 21:45:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:45:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 21:45:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-11-06 21:45:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-06 21:45:24,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695783114] [2020-11-06 21:45:24,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987046295] [2020-11-06 21:45:24,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:45:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:24,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-06 21:45:25,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:45:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 21:45:25,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 21:45:25,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 12 [2020-11-06 21:45:25,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733269725] [2020-11-06 21:45:25,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 21:45:25,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:45:25,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 21:45:25,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-06 21:45:25,061 INFO L87 Difference]: Start difference. First operand 1456 states and 1817 transitions. Second operand 5 states. [2020-11-06 21:45:25,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:45:25,457 INFO L93 Difference]: Finished difference Result 2627 states and 3344 transitions. [2020-11-06 21:45:25,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 21:45:25,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-11-06 21:45:25,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:45:25,467 INFO L225 Difference]: With dead ends: 2627 [2020-11-06 21:45:25,468 INFO L226 Difference]: Without dead ends: 1241 [2020-11-06 21:45:25,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-06 21:45:25,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-11-06 21:45:25,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1195. [2020-11-06 21:45:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1195 states. [2020-11-06 21:45:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1474 transitions. [2020-11-06 21:45:25,813 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1474 transitions. Word has length 110 [2020-11-06 21:45:25,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:45:25,813 INFO L481 AbstractCegarLoop]: Abstraction has 1195 states and 1474 transitions. [2020-11-06 21:45:25,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 21:45:25,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1474 transitions. [2020-11-06 21:45:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-06 21:45:25,817 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:45:25,818 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:45:26,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:45:26,032 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]=== [2020-11-06 21:45:26,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:45:26,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1262600981, now seen corresponding path program 1 times [2020-11-06 21:45:26,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:45:26,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632859881] [2020-11-06 21:45:26,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:45:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,430 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:45:26,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:45:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:45:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:45:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:45:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:45:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-11-06 21:45:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-06 21:45:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:45:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:45:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:45:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:45:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-06 21:45:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:45:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-11-06 21:45:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 21:45:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:45:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-11-06 21:45:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 21:45:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:45:26,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632859881] [2020-11-06 21:45:26,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504910837] [2020-11-06 21:45:26,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:45:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:45:26,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-06 21:45:26,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:45:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:45:27,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:45:27,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 17 [2020-11-06 21:45:27,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815100563] [2020-11-06 21:45:27,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-06 21:45:27,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:45:27,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-06 21:45:27,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-11-06 21:45:27,068 INFO L87 Difference]: Start difference. First operand 1195 states and 1474 transitions. Second operand 17 states. [2020-11-06 21:45:27,727 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:45:28,484 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:45:29,566 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 206 [2020-11-06 21:45:29,954 WARN L194 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:30,297 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:30,923 WARN L194 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-11-06 21:45:31,336 WARN L194 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:45:31,712 WARN L194 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:45:33,325 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:45:33,714 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:45:34,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:45:34,837 INFO L93 Difference]: Finished difference Result 2464 states and 3264 transitions. [2020-11-06 21:45:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-06 21:45:34,840 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 114 [2020-11-06 21:45:34,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:45:34,852 INFO L225 Difference]: With dead ends: 2464 [2020-11-06 21:45:34,852 INFO L226 Difference]: Without dead ends: 1438 [2020-11-06 21:45:34,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 151 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=381, Invalid=1101, Unknown=0, NotChecked=0, Total=1482 [2020-11-06 21:45:34,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2020-11-06 21:45:35,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1069. [2020-11-06 21:45:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1069 states. [2020-11-06 21:45:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1312 transitions. [2020-11-06 21:45:35,154 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1312 transitions. Word has length 114 [2020-11-06 21:45:35,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:45:35,155 INFO L481 AbstractCegarLoop]: Abstraction has 1069 states and 1312 transitions. [2020-11-06 21:45:35,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-06 21:45:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1312 transitions. [2020-11-06 21:45:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-06 21:45:35,159 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:45:35,159 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:45:35,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:45:35,373 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:45:35,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:45:35,374 INFO L82 PathProgramCache]: Analyzing trace with hash -949801001, now seen corresponding path program 2 times [2020-11-06 21:45:35,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:45:35,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898238661] [2020-11-06 21:45:35,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:45:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:45:35,477 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:45:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:45:35,573 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:45:35,758 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 21:45:35,758 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 21:45:35,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-06 21:45:36,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:45:36 BoogieIcfgContainer [2020-11-06 21:45:36,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:45:36,070 INFO L168 Benchmark]: Toolchain (without parser) took 54712.32 ms. Allocated memory was 151.0 MB in the beginning and 842.0 MB in the end (delta: 691.0 MB). Free memory was 125.4 MB in the beginning and 796.8 MB in the end (delta: -671.3 MB). Peak memory consumption was 505.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:45:36,071 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:45:36,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.11 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 103.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:45:36,075 INFO L168 Benchmark]: Boogie Preprocessor took 100.58 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 99.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:45:36,079 INFO L168 Benchmark]: RCFGBuilder took 1772.49 ms. Allocated memory is still 151.0 MB. Free memory was 99.9 MB in the beginning and 129.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 56.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:45:36,086 INFO L168 Benchmark]: TraceAbstraction took 52200.11 ms. Allocated memory was 151.0 MB in the beginning and 842.0 MB in the end (delta: 691.0 MB). Free memory was 128.6 MB in the beginning and 796.8 MB in the end (delta: -668.1 MB). Peak memory consumption was 507.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:45:36,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 626.11 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 103.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 100.58 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 99.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1772.49 ms. Allocated memory is still 151.0 MB. Free memory was 99.9 MB in the beginning and 129.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 56.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 52200.11 ms. Allocated memory was 151.0 MB in the beginning and 842.0 MB in the end (delta: 691.0 MB). Free memory was 128.6 MB in the beginning and 796.8 MB in the end (delta: -668.1 MB). Peak memory consumption was 507.2 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: [L150] int pumpRunning = 0; [L151] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L585] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L826] int waterLevel = 1; [L827] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=182, \old(head)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L393] int retValue_acc ; [L394] 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] [L398] 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] [L399] 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] [L400] 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] [L817] int retValue_acc ; [L820] retValue_acc = 1 [L821] 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] [L400] 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] [L400] tmp = valid_product() [L402] 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] [L404] 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] [L405] 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] [L384] 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] [L48] int splverifierCounter ; [L49] int tmp ; [L50] int tmp___0 ; [L51] int tmp___1 ; [L52] int tmp___2 ; [L55] 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] [L57] 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] [L59] 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] [L65] tmp = __VERIFIER_nondet_int() [L67] 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] [L69] 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] [L844] COND TRUE waterLevel < 2 [L845] 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] [L69] 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] [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\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=0, waterLevel=2] [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) 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=0, tmp___2=1, waterLevel=2] [L102] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L157] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L164] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L166] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L186] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L191] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] int retValue_acc ; [L284] int tmp ; [L285] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L289] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L906] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L909] COND FALSE !(waterLevel < 2) [L913] retValue_acc = 0 [L914] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L289] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L289] tmp = isHighWaterSensorDry() [L291] COND FALSE !(\read(tmp)) [L294] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L296] retValue_acc = tmp___0 [L297] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L191] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L191] tmp = isHighWaterLevel() [L193] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L195] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L214] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L195] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L166] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L172] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L118] int tmp ; [L119] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L123] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L897] int retValue_acc ; [L900] retValue_acc = waterLevel [L901] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L123] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L123] tmp = getWaterLevel() [L125] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L172] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L102] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L57] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L59] 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=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L65] tmp = __VERIFIER_nondet_int() [L67] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L102] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L157] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L159] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L832] COND TRUE waterLevel > 0 [L833] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L159] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L164] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L166] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L186] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L189] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L204] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L166] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L172] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L118] int tmp ; [L119] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L123] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L897] int retValue_acc ; [L900] retValue_acc = waterLevel [L901] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L123] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L123] tmp = getWaterLevel() [L125] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L172] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L102] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L57] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L59] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L65] tmp = __VERIFIER_nondet_int() [L67] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L102] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L157] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L159] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L832] COND TRUE waterLevel > 0 [L833] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L159] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L164] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L166] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L186] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L189] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L204] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L166] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L172] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L118] int tmp ; [L119] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L123] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L897] int retValue_acc ; [L900] retValue_acc = waterLevel [L901] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L123] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L123] tmp = getWaterLevel() [L125] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L127] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L127] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L127] tmp___0 = isPumpRunning() [L129] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L131] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L786] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec4_product35.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 233 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 51.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 41.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1156 SDtfs, 2459 SDslu, 2142 SDs, 0 SdLazy, 7767 SolverSat, 1965 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 846 GetRequests, 654 SyntacticMatches, 7 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2754 ImplicationChecksByTransitivity, 23.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1456occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 884 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1262 NumberOfCodeBlocks, 1262 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1100 ConstructedInterpolants, 0 QuantifiedInterpolants, 310403 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3319 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 169/190 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...