/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_spec5_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 15:37:33,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 15:37:33,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 15:37:33,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 15:37:33,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 15:37:33,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 15:37:33,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 15:37:33,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 15:37:33,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 15:37:33,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 15:37:33,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 15:37:33,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 15:37:33,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 15:37:33,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 15:37:33,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 15:37:33,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 15:37:33,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 15:37:33,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 15:37:33,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 15:37:33,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 15:37:33,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 15:37:33,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 15:37:33,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 15:37:33,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 15:37:33,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 15:37:33,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 15:37:34,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 15:37:34,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 15:37:34,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 15:37:34,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-02-21 15:37:34,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 15:37:34,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 15:37:34,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 15:37:34,018 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 [2021-02-21 15:37:34,077 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 15:37:34,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 15:37:34,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 15:37:34,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 15:37:34,082 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 15:37:34,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 15:37:34,083 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 15:37:34,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 15:37:34,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 15:37:34,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 15:37:34,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 15:37:34,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 15:37:34,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 15:37:34,085 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 15:37:34,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 15:37:34,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 15:37:34,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 15:37:34,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 15:37:34,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 15:37:34,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 15:37:34,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 15:37:34,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 15:37:34,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 15:37:34,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 15:37:34,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 15:37:34,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 15:37:34,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 15:37:34,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 15:37:34,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 15:37:34,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 15:37:34,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 15:37:34,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 15:37:34,516 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 15:37:34,517 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 15:37:34,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c [2021-02-21 15:37:34,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88f4ec2a4/e63d7679d2154c56b3af2fed7bd7fa6a/FLAG70eb1abde [2021-02-21 15:37:35,360 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 15:37:35,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c [2021-02-21 15:37:35,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88f4ec2a4/e63d7679d2154c56b3af2fed7bd7fa6a/FLAG70eb1abde [2021-02-21 15:37:35,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88f4ec2a4/e63d7679d2154c56b3af2fed7bd7fa6a [2021-02-21 15:37:35,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 15:37:35,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 15:37:35,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 15:37:35,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 15:37:35,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 15:37:35,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:37:35" (1/1) ... [2021-02-21 15:37:35,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c35ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:35, skipping insertion in model container [2021-02-21 15:37:35,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:37:35" (1/1) ... [2021-02-21 15:37:35,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 15:37:35,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 15:37:36,186 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c[18190,18203] [2021-02-21 15:37:36,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:37:36,204 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 15:37:36,312 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c[18190,18203] [2021-02-21 15:37:36,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:37:36,362 INFO L208 MainTranslator]: Completed translation [2021-02-21 15:37:36,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:36 WrapperNode [2021-02-21 15:37:36,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 15:37:36,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 15:37:36,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 15:37:36,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 15:37:36,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:36" (1/1) ... [2021-02-21 15:37:36,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:36" (1/1) ... [2021-02-21 15:37:36,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:36" (1/1) ... [2021-02-21 15:37:36,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:36" (1/1) ... [2021-02-21 15:37:36,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:36" (1/1) ... [2021-02-21 15:37:36,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:36" (1/1) ... [2021-02-21 15:37:36,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:36" (1/1) ... [2021-02-21 15:37:36,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 15:37:36,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 15:37:36,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 15:37:36,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 15:37:36,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:36" (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 [2021-02-21 15:37:36,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 15:37:36,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 15:37:36,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 15:37:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 15:37:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 15:37:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 15:37:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 15:37:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 15:37:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-21 15:37:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-21 15:37:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-21 15:37:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-21 15:37:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-21 15:37:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-21 15:37:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-21 15:37:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-21 15:37:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-21 15:37:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-21 15:37:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-21 15:37:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-21 15:37:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-21 15:37:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-21 15:37:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 15:37:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-21 15:37:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-21 15:37:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 15:37:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-21 15:37:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 15:37:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 15:37:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 15:37:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 15:37:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 15:37:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 15:37:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 15:37:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-21 15:37:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-21 15:37:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-21 15:37:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-21 15:37:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-21 15:37:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-21 15:37:36,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-21 15:37:36,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 15:37:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 15:37:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 15:37:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 15:37:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 15:37:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 15:37:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 15:37:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 15:37:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 15:37:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 15:37:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 15:37:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-21 15:37:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-21 15:37:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-21 15:37:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-21 15:37:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-21 15:37:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-21 15:37:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-21 15:37:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-21 15:37:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-21 15:37:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-21 15:37:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-21 15:37:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-21 15:37:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-21 15:37:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-21 15:37:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-21 15:37:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-21 15:37:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-21 15:37:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 15:37:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-21 15:37:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-21 15:37:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-21 15:37:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-21 15:37:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-21 15:37:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 15:37:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-21 15:37:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 15:37:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-21 15:37:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 15:37:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 15:37:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 15:37:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 15:37:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 15:37:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 15:37:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 15:37:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 15:37:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 15:37:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 15:37:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 15:37:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 15:37:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 15:37:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 15:37:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 15:37:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 15:37:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 15:37:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 15:37:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 15:37:37,778 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 15:37:37,778 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 15:37:37,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:37:37 BoogieIcfgContainer [2021-02-21 15:37:37,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 15:37:37,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 15:37:37,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 15:37:37,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 15:37:37,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:37:35" (1/3) ... [2021-02-21 15:37:37,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee1159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:37:37, skipping insertion in model container [2021-02-21 15:37:37,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:37:36" (2/3) ... [2021-02-21 15:37:37,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee1159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:37:37, skipping insertion in model container [2021-02-21 15:37:37,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:37:37" (3/3) ... [2021-02-21 15:37:37,791 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product22.cil.c [2021-02-21 15:37:37,799 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 15:37:37,805 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 15:37:37,826 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 15:37:37,857 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 15:37:37,857 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 15:37:37,858 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 15:37:37,858 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 15:37:37,858 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 15:37:37,858 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 15:37:37,858 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 15:37:37,858 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 15:37:37,882 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2021-02-21 15:37:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-21 15:37:37,893 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:37:37,894 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-21 15:37:37,895 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:37:37,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:37:37,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1482318707, now seen corresponding path program 1 times [2021-02-21 15:37:37,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:37:37,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080424678] [2021-02-21 15:37:37,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:37:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,581 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:37:38,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:37:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:37:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:37:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:37:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:37:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-21 15:37:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-21 15:37:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-21 15:37:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:38,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:38,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-21 15:37:38,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080424678] [2021-02-21 15:37:38,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:37:38,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 15:37:38,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157265149] [2021-02-21 15:37:38,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 15:37:38,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:37:38,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 15:37:38,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-21 15:37:38,763 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2021-02-21 15:37:40,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:37:40,053 INFO L93 Difference]: Finished difference Result 301 states and 387 transitions. [2021-02-21 15:37:40,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 15:37:40,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-21 15:37:40,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:37:40,075 INFO L225 Difference]: With dead ends: 301 [2021-02-21 15:37:40,076 INFO L226 Difference]: Without dead ends: 166 [2021-02-21 15:37:40,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-21 15:37:40,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-02-21 15:37:40,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 136. [2021-02-21 15:37:40,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-21 15:37:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2021-02-21 15:37:40,180 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2021-02-21 15:37:40,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:37:40,181 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2021-02-21 15:37:40,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 15:37:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2021-02-21 15:37:40,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-21 15:37:40,185 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:37:40,185 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-21 15:37:40,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 15:37:40,186 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:37:40,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:37:40,187 INFO L82 PathProgramCache]: Analyzing trace with hash 340536243, now seen corresponding path program 1 times [2021-02-21 15:37:40,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:37:40,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236795048] [2021-02-21 15:37:40,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:37:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:40,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,686 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:37:40,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:37:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:37:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:37:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:37:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:37:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 15:37:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-21 15:37:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 15:37:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:40,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:40,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-21 15:37:40,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236795048] [2021-02-21 15:37:40,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:37:40,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 15:37:40,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846991714] [2021-02-21 15:37:40,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 15:37:40,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:37:40,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 15:37:40,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 15:37:40,861 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 5 states. [2021-02-21 15:37:41,593 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 15:37:42,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:37:42,710 INFO L93 Difference]: Finished difference Result 242 states and 295 transitions. [2021-02-21 15:37:42,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 15:37:42,710 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-02-21 15:37:42,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:37:42,713 INFO L225 Difference]: With dead ends: 242 [2021-02-21 15:37:42,714 INFO L226 Difference]: Without dead ends: 156 [2021-02-21 15:37:42,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-21 15:37:42,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-02-21 15:37:42,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2021-02-21 15:37:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2021-02-21 15:37:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2021-02-21 15:37:42,766 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2021-02-21 15:37:42,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:37:42,766 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2021-02-21 15:37:42,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 15:37:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2021-02-21 15:37:42,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-21 15:37:42,769 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:37:42,769 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-21 15:37:42,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 15:37:42,770 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:37:42,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:37:42,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1076022224, now seen corresponding path program 1 times [2021-02-21 15:37:42,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:37:42,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629809147] [2021-02-21 15:37:42,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:37:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:42,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:42,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:42,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:42,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:42,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:42,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:42,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:42,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:42,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:42,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:37:42,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:42,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:37:42,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:42,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:37:42,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:42,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:43,252 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:37:43,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:43,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:43,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 15:37:43,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:37:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:43,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:43,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:43,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:37:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:43,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:43,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:43,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:37:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:43,328 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-21 15:37:43,330 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-21 15:37:43,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:37:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:43,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:43,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:43,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:37:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:43,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:43,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:43,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 15:37:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:43,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:43,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:43,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:43,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:43,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:43,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-21 15:37:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:43,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:43,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:43,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-02-21 15:37:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:43,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:43,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-21 15:37:43,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629809147] [2021-02-21 15:37:43,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:37:43,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 15:37:43,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671107144] [2021-02-21 15:37:43,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 15:37:43,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:37:43,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 15:37:43,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-21 15:37:43,435 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 9 states. [2021-02-21 15:37:43,991 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:37:44,518 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:44,912 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:45,292 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:46,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:37:46,773 INFO L93 Difference]: Finished difference Result 255 states and 314 transitions. [2021-02-21 15:37:46,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 15:37:46,774 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2021-02-21 15:37:46,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:37:46,780 INFO L225 Difference]: With dead ends: 255 [2021-02-21 15:37:46,781 INFO L226 Difference]: Without dead ends: 156 [2021-02-21 15:37:46,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-21 15:37:46,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-02-21 15:37:46,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2021-02-21 15:37:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2021-02-21 15:37:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2021-02-21 15:37:46,827 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 65 [2021-02-21 15:37:46,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:37:46,828 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2021-02-21 15:37:46,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 15:37:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2021-02-21 15:37:46,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-02-21 15:37:46,831 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:37:46,832 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-21 15:37:46,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 15:37:46,832 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:37:46,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:37:46,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1401246642, now seen corresponding path program 1 times [2021-02-21 15:37:46,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:37:46,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863881092] [2021-02-21 15:37:46,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:37:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:46,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:46,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:46,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:46,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:46,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:46,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:46,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:46,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:46,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:46,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:46,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:46,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:46,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:46,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:46,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:46,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:46,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:46,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,306 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:37:47,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:47,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:37:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:37:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:37:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:37:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:37:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 15:37:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:37:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 15:37:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:47,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 15:37:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:47,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 15:37:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-02-21 15:37:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:37:47,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-21 15:37:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:37:47,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:37:47,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:37:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-21 15:37:47,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863881092] [2021-02-21 15:37:47,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:37:47,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 15:37:47,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420511372] [2021-02-21 15:37:47,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 15:37:47,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:37:47,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 15:37:47,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-21 15:37:47,461 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 9 states. [2021-02-21 15:37:48,083 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:37:48,940 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:49,716 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:50,119 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:37:50,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:37:50,200 INFO L93 Difference]: Finished difference Result 212 states and 264 transitions. [2021-02-21 15:37:50,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 15:37:50,201 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2021-02-21 15:37:50,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:37:50,203 INFO L225 Difference]: With dead ends: 212 [2021-02-21 15:37:50,203 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 15:37:50,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-21 15:37:50,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 15:37:50,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 15:37:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 15:37:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 15:37:50,206 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2021-02-21 15:37:50,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:37:50,206 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 15:37:50,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 15:37:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 15:37:50,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 15:37:50,206 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 15:37:50,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 15:37:51,748 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-21 15:37:51,991 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:52,244 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:52,511 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-21 15:37:52,766 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-21 15:37:53,060 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 11 [2021-02-21 15:37:53,395 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:37:53,698 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2021-02-21 15:37:53,979 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-21 15:37:54,269 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-21 15:37:54,560 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-21 15:37:54,821 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-21 15:37:55,079 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-21 15:37:55,420 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:55,687 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-21 15:37:55,967 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:56,239 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:56,504 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-21 15:37:56,761 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-21 15:37:56,817 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 15:37:56,817 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 15:37:56,817 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 15:37:56,817 INFO L189 CegarLoopUtils]: For program point L577(line 577) no Hoare annotation was computed. [2021-02-21 15:37:56,817 INFO L189 CegarLoopUtils]: For program point L576-2(lines 576 597) no Hoare annotation was computed. [2021-02-21 15:37:56,817 INFO L189 CegarLoopUtils]: For program point L598(lines 575 599) no Hoare annotation was computed. [2021-02-21 15:37:56,818 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 551 606) no Hoare annotation was computed. [2021-02-21 15:37:56,818 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 551 606) no Hoare annotation was computed. [2021-02-21 15:37:56,818 INFO L189 CegarLoopUtils]: For program point L582(lines 582 586) no Hoare annotation was computed. [2021-02-21 15:37:56,818 INFO L189 CegarLoopUtils]: For program point L582-1(lines 582 586) no Hoare annotation was computed. [2021-02-21 15:37:56,818 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 551 606) no Hoare annotation was computed. [2021-02-21 15:37:56,818 INFO L189 CegarLoopUtils]: For program point L639(lines 639 643) no Hoare annotation was computed. [2021-02-21 15:37:56,818 INFO L189 CegarLoopUtils]: For program point L639-1(lines 639 643) no Hoare annotation was computed. [2021-02-21 15:37:56,818 INFO L189 CegarLoopUtils]: For program point L634(line 634) no Hoare annotation was computed. [2021-02-21 15:37:56,818 INFO L189 CegarLoopUtils]: For program point L633-2(lines 633 658) no Hoare annotation was computed. [2021-02-21 15:37:56,819 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 607 666) no Hoare annotation was computed. [2021-02-21 15:37:56,819 INFO L189 CegarLoopUtils]: For program point L659(lines 632 660) no Hoare annotation was computed. [2021-02-21 15:37:56,819 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 607 666) no Hoare annotation was computed. [2021-02-21 15:37:56,819 INFO L189 CegarLoopUtils]: For program point L652(line 652) no Hoare annotation was computed. [2021-02-21 15:37:56,819 INFO L189 CegarLoopUtils]: For program point L652-1(line 652) no Hoare annotation was computed. [2021-02-21 15:37:56,819 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 607 666) no Hoare annotation was computed. [2021-02-21 15:37:56,819 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2021-02-21 15:37:56,819 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2021-02-21 15:37:56,820 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2021-02-21 15:37:56,820 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2021-02-21 15:37:56,820 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2021-02-21 15:37:56,820 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 284 291) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-21 15:37:56,820 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1EXIT(lines 284 291) no Hoare annotation was computed. [2021-02-21 15:37:56,820 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1FINAL(lines 284 291) no Hoare annotation was computed. [2021-02-21 15:37:56,820 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 292 301) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-21 15:37:56,820 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2EXIT(lines 292 301) no Hoare annotation was computed. [2021-02-21 15:37:56,821 INFO L189 CegarLoopUtils]: For program point L297(line 297) no Hoare annotation was computed. [2021-02-21 15:37:56,821 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2FINAL(lines 292 301) no Hoare annotation was computed. [2021-02-21 15:37:56,821 INFO L185 CegarLoopUtils]: At program point L317(line 317) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2021-02-21 15:37:56,821 INFO L189 CegarLoopUtils]: For program point L315(lines 315 321) no Hoare annotation was computed. [2021-02-21 15:37:56,821 INFO L189 CegarLoopUtils]: For program point L314(lines 314 324) no Hoare annotation was computed. [2021-02-21 15:37:56,821 INFO L192 CegarLoopUtils]: At program point L312(line 312) the Hoare annotation is: true [2021-02-21 15:37:56,821 INFO L189 CegarLoopUtils]: For program point L312-1(line 312) no Hoare annotation was computed. [2021-02-21 15:37:56,821 INFO L189 CegarLoopUtils]: For program point L310(lines 310 327) no Hoare annotation was computed. [2021-02-21 15:37:56,821 INFO L189 CegarLoopUtils]: For program point L310-1(lines 302 330) no Hoare annotation was computed. [2021-02-21 15:37:56,821 INFO L192 CegarLoopUtils]: At program point L308(line 308) the Hoare annotation is: true [2021-02-21 15:37:56,822 INFO L189 CegarLoopUtils]: For program point L308-1(line 308) no Hoare annotation was computed. [2021-02-21 15:37:56,822 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 302 330) the Hoare annotation is: true [2021-02-21 15:37:56,822 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__3EXIT(lines 302 330) no Hoare annotation was computed. [2021-02-21 15:37:56,822 INFO L185 CegarLoopUtils]: At program point L481(line 481) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,822 INFO L185 CegarLoopUtils]: At program point L481-1(line 481) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,822 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 475 497) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,822 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 475 497) no Hoare annotation was computed. [2021-02-21 15:37:56,823 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 475 497) no Hoare annotation was computed. [2021-02-21 15:37:56,823 INFO L185 CegarLoopUtils]: At program point L487(line 487) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,823 INFO L185 CegarLoopUtils]: At program point L487-1(line 487) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,823 INFO L189 CegarLoopUtils]: For program point L485(lines 485 492) no Hoare annotation was computed. [2021-02-21 15:37:56,823 INFO L189 CegarLoopUtils]: For program point L485-1(lines 485 492) no Hoare annotation was computed. [2021-02-21 15:37:56,823 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2021-02-21 15:37:56,823 INFO L185 CegarLoopUtils]: At program point L482(line 482) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,823 INFO L189 CegarLoopUtils]: For program point L449(line 449) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point L448(line 448) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 433 456) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point L446(line 446) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point L445(line 445) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 433 456) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point L444(line 444) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 433 456) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point L443(line 443) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point L442(line 442) no Hoare annotation was computed. [2021-02-21 15:37:56,824 INFO L189 CegarLoopUtils]: For program point L441(line 441) no Hoare annotation was computed. [2021-02-21 15:37:56,825 INFO L189 CegarLoopUtils]: For program point L440(line 440) no Hoare annotation was computed. [2021-02-21 15:37:56,825 INFO L189 CegarLoopUtils]: For program point L439(line 439) no Hoare annotation was computed. [2021-02-21 15:37:56,825 INFO L189 CegarLoopUtils]: For program point L438(line 438) no Hoare annotation was computed. [2021-02-21 15:37:56,825 INFO L189 CegarLoopUtils]: For program point L451(line 451) no Hoare annotation was computed. [2021-02-21 15:37:56,825 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2021-02-21 15:37:56,825 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2021-02-21 15:37:56,825 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2021-02-21 15:37:56,825 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2021-02-21 15:37:56,825 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2021-02-21 15:37:56,825 INFO L189 CegarLoopUtils]: For program point L262(lines 262 266) no Hoare annotation was computed. [2021-02-21 15:37:56,825 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2021-02-21 15:37:56,826 INFO L192 CegarLoopUtils]: At program point L260(line 260) the Hoare annotation is: true [2021-02-21 15:37:56,826 INFO L189 CegarLoopUtils]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2021-02-21 15:37:56,826 INFO L189 CegarLoopUtils]: For program point L260-1(line 260) no Hoare annotation was computed. [2021-02-21 15:37:56,826 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2021-02-21 15:37:56,826 INFO L189 CegarLoopUtils]: For program point L224(lines 224 232) no Hoare annotation was computed. [2021-02-21 15:37:56,826 INFO L189 CegarLoopUtils]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2021-02-21 15:37:56,826 INFO L189 CegarLoopUtils]: For program point L247(line 247) no Hoare annotation was computed. [2021-02-21 15:37:56,826 INFO L189 CegarLoopUtils]: For program point L247-1(line 247) no Hoare annotation was computed. [2021-02-21 15:37:56,826 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2021-02-21 15:37:56,826 INFO L189 CegarLoopUtils]: For program point L236(lines 236 244) no Hoare annotation was computed. [2021-02-21 15:37:56,826 INFO L189 CegarLoopUtils]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2021-02-21 15:37:56,827 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2021-02-21 15:37:56,827 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2021-02-21 15:37:56,827 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2021-02-21 15:37:56,827 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2021-02-21 15:37:56,827 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 505 550) no Hoare annotation was computed. [2021-02-21 15:37:56,827 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 505 550) no Hoare annotation was computed. [2021-02-21 15:37:56,827 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 505 550) no Hoare annotation was computed. [2021-02-21 15:37:56,827 INFO L189 CegarLoopUtils]: For program point L832(lines 832 852) no Hoare annotation was computed. [2021-02-21 15:37:56,827 INFO L189 CegarLoopUtils]: For program point L832-1(lines 832 852) no Hoare annotation was computed. [2021-02-21 15:37:56,827 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 818 863) no Hoare annotation was computed. [2021-02-21 15:37:56,827 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 818 863) no Hoare annotation was computed. [2021-02-21 15:37:56,828 INFO L189 CegarLoopUtils]: For program point L838(lines 838 845) no Hoare annotation was computed. [2021-02-21 15:37:56,828 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 818 863) no Hoare annotation was computed. [2021-02-21 15:37:56,828 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 464 474) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,828 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 464 474) no Hoare annotation was computed. [2021-02-21 15:37:56,828 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 464 474) no Hoare annotation was computed. [2021-02-21 15:37:56,828 INFO L185 CegarLoopUtils]: At program point L469(line 469) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2021-02-21 15:37:56,828 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2021-02-21 15:37:56,828 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2021-02-21 15:37:56,829 INFO L192 CegarLoopUtils]: At program point L202(line 202) the Hoare annotation is: true [2021-02-21 15:37:56,829 INFO L189 CegarLoopUtils]: For program point L202-1(line 202) no Hoare annotation was computed. [2021-02-21 15:37:56,829 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2021-02-21 15:37:56,829 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2021-02-21 15:37:56,829 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2021-02-21 15:37:56,829 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2021-02-21 15:37:56,829 INFO L189 CegarLoopUtils]: For program point L162-1(line 162) no Hoare annotation was computed. [2021-02-21 15:37:56,829 INFO L189 CegarLoopUtils]: For program point L160(lines 160 177) no Hoare annotation was computed. [2021-02-21 15:37:56,829 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 156 180) no Hoare annotation was computed. [2021-02-21 15:37:56,829 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 156 180) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,830 INFO L185 CegarLoopUtils]: At program point L175(line 175) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,830 INFO L189 CegarLoopUtils]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2021-02-21 15:37:56,830 INFO L185 CegarLoopUtils]: At program point L170(line 170) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,830 INFO L185 CegarLoopUtils]: At program point L166(line 166) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,830 INFO L189 CegarLoopUtils]: For program point L164(lines 164 172) no Hoare annotation was computed. [2021-02-21 15:37:56,830 INFO L185 CegarLoopUtils]: At program point L162(line 162) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,830 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 122 128) no Hoare annotation was computed. [2021-02-21 15:37:56,830 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 122 128) the Hoare annotation is: true [2021-02-21 15:37:56,830 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 335 400) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,830 INFO L189 CegarLoopUtils]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-02-21 15:37:56,831 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 335 400) no Hoare annotation was computed. [2021-02-21 15:37:56,831 INFO L185 CegarLoopUtils]: At program point L393(lines 344 394) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,831 INFO L189 CegarLoopUtils]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-02-21 15:37:56,831 INFO L185 CegarLoopUtils]: At program point L383-2(lines 375 388) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,831 INFO L189 CegarLoopUtils]: For program point L346(lines 345 392) no Hoare annotation was computed. [2021-02-21 15:37:56,831 INFO L185 CegarLoopUtils]: At program point L377(line 377) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,831 INFO L189 CegarLoopUtils]: For program point L375(lines 375 388) no Hoare annotation was computed. [2021-02-21 15:37:56,831 INFO L185 CegarLoopUtils]: At program point L367(line 367) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,831 INFO L189 CegarLoopUtils]: For program point L365(lines 365 371) no Hoare annotation was computed. [2021-02-21 15:37:56,832 INFO L189 CegarLoopUtils]: For program point L365-1(lines 365 371) no Hoare annotation was computed. [2021-02-21 15:37:56,832 INFO L185 CegarLoopUtils]: At program point L390(lines 345 392) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,832 INFO L185 CegarLoopUtils]: At program point L357(line 357) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,832 INFO L189 CegarLoopUtils]: For program point L355(lines 355 361) no Hoare annotation was computed. [2021-02-21 15:37:56,832 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 335 400) no Hoare annotation was computed. [2021-02-21 15:37:56,832 INFO L189 CegarLoopUtils]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2021-02-21 15:37:56,832 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 772 817) no Hoare annotation was computed. [2021-02-21 15:37:56,832 INFO L189 CegarLoopUtils]: For program point L792(lines 792 799) no Hoare annotation was computed. [2021-02-21 15:37:56,833 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 772 817) no Hoare annotation was computed. [2021-02-21 15:37:56,833 INFO L189 CegarLoopUtils]: For program point L786(lines 786 806) no Hoare annotation was computed. [2021-02-21 15:37:56,833 INFO L189 CegarLoopUtils]: For program point L786-1(lines 786 806) no Hoare annotation was computed. [2021-02-21 15:37:56,833 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 772 817) no Hoare annotation was computed. [2021-02-21 15:37:56,833 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 944 952) no Hoare annotation was computed. [2021-02-21 15:37:56,833 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 944 952) the Hoare annotation is: true [2021-02-21 15:37:56,833 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 944 952) no Hoare annotation was computed. [2021-02-21 15:37:56,833 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 912 934) no Hoare annotation was computed. [2021-02-21 15:37:56,833 INFO L189 CegarLoopUtils]: For program point L920(lines 920 928) no Hoare annotation was computed. [2021-02-21 15:37:56,833 INFO L189 CegarLoopUtils]: For program point L920-2(lines 920 928) no Hoare annotation was computed. [2021-02-21 15:37:56,834 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 912 934) no Hoare annotation was computed. [2021-02-21 15:37:56,834 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 912 934) no Hoare annotation was computed. [2021-02-21 15:37:56,834 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2021-02-21 15:37:56,834 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2021-02-21 15:37:56,834 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2021-02-21 15:37:56,834 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 669 771) no Hoare annotation was computed. [2021-02-21 15:37:56,834 INFO L189 CegarLoopUtils]: For program point L698(lines 698 714) no Hoare annotation was computed. [2021-02-21 15:37:56,834 INFO L189 CegarLoopUtils]: For program point L758(lines 758 765) no Hoare annotation was computed. [2021-02-21 15:37:56,834 INFO L189 CegarLoopUtils]: For program point L719(lines 718 738) no Hoare annotation was computed. [2021-02-21 15:37:56,834 INFO L189 CegarLoopUtils]: For program point L750(line 750) no Hoare annotation was computed. [2021-02-21 15:37:56,835 INFO L189 CegarLoopUtils]: For program point L750-1(line 750) no Hoare annotation was computed. [2021-02-21 15:37:56,835 INFO L189 CegarLoopUtils]: For program point L715(lines 715 756) no Hoare annotation was computed. [2021-02-21 15:37:56,835 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 669 771) no Hoare annotation was computed. [2021-02-21 15:37:56,835 INFO L189 CegarLoopUtils]: For program point L734(line 734) no Hoare annotation was computed. [2021-02-21 15:37:56,835 INFO L189 CegarLoopUtils]: For program point L734-1(line 734) no Hoare annotation was computed. [2021-02-21 15:37:56,835 INFO L189 CegarLoopUtils]: For program point L693(lines 693 697) no Hoare annotation was computed. [2021-02-21 15:37:56,835 INFO L189 CegarLoopUtils]: For program point L757(lines 757 768) no Hoare annotation was computed. [2021-02-21 15:37:56,835 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 669 771) no Hoare annotation was computed. [2021-02-21 15:37:56,835 INFO L189 CegarLoopUtils]: For program point L720(lines 720 724) no Hoare annotation was computed. [2021-02-21 15:37:56,835 INFO L189 CegarLoopUtils]: For program point L718-2(lines 718 738) no Hoare annotation was computed. [2021-02-21 15:37:56,836 INFO L189 CegarLoopUtils]: For program point L739(lines 717 740) no Hoare annotation was computed. [2021-02-21 15:37:56,836 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:37:56,836 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string80.base| |old(#t~string80.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string80.offset| |old(#t~string80.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-21 15:37:56,836 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:37:56,836 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 181 188) no Hoare annotation was computed. [2021-02-21 15:37:56,837 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 181 188) no Hoare annotation was computed. [2021-02-21 15:37:56,837 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 181 188) no Hoare annotation was computed. [2021-02-21 15:37:56,837 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 935 943) the Hoare annotation is: true [2021-02-21 15:37:56,837 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 935 943) no Hoare annotation was computed. [2021-02-21 15:37:56,837 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 935 943) no Hoare annotation was computed. [2021-02-21 15:37:56,837 INFO L189 CegarLoopUtils]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2021-02-21 15:37:56,837 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 891 902) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-21 15:37:56,837 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 891 902) no Hoare annotation was computed. [2021-02-21 15:37:56,837 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:37:56,837 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-21 15:37:56,838 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:37:56,838 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 903 911) the Hoare annotation is: true [2021-02-21 15:37:56,838 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 903 911) no Hoare annotation was computed. [2021-02-21 15:37:56,838 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 903 911) no Hoare annotation was computed. [2021-02-21 15:37:56,838 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 95 121) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,838 INFO L185 CegarLoopUtils]: At program point L111(line 111) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-21 15:37:56,838 INFO L185 CegarLoopUtils]: At program point L109(lines 109 115) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-21 15:37:56,838 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 95 121) no Hoare annotation was computed. [2021-02-21 15:37:56,839 INFO L185 CegarLoopUtils]: At program point L104(line 104) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,839 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 95 121) no Hoare annotation was computed. [2021-02-21 15:37:56,839 INFO L189 CegarLoopUtils]: For program point L102(lines 98 120) no Hoare annotation was computed. [2021-02-21 15:37:56,839 INFO L189 CegarLoopUtils]: For program point L100(lines 98 120) no Hoare annotation was computed. [2021-02-21 15:37:56,839 INFO L189 CegarLoopUtils]: For program point L417(lines 417 421) no Hoare annotation was computed. [2021-02-21 15:37:56,839 INFO L192 CegarLoopUtils]: At program point L417-1(lines 417 421) the Hoare annotation is: true [2021-02-21 15:37:56,839 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 403 432) no Hoare annotation was computed. [2021-02-21 15:37:56,839 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2021-02-21 15:37:56,839 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 403 432) the Hoare annotation is: true [2021-02-21 15:37:56,839 INFO L192 CegarLoopUtils]: At program point L413-2(lines 413 427) the Hoare annotation is: true [2021-02-21 15:37:56,840 INFO L192 CegarLoopUtils]: At program point L409(line 409) the Hoare annotation is: true [2021-02-21 15:37:56,840 INFO L189 CegarLoopUtils]: For program point L409-1(line 409) no Hoare annotation was computed. [2021-02-21 15:37:56,840 INFO L192 CegarLoopUtils]: At program point L428(lines 403 432) the Hoare annotation is: true [2021-02-21 15:37:56,840 INFO L189 CegarLoopUtils]: For program point L424(line 424) no Hoare annotation was computed. [2021-02-21 15:37:56,840 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 867 878) the Hoare annotation is: true [2021-02-21 15:37:56,840 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 867 878) no Hoare annotation was computed. [2021-02-21 15:37:56,840 INFO L189 CegarLoopUtils]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2021-02-21 15:37:56,840 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 457 463) no Hoare annotation was computed. [2021-02-21 15:37:56,840 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 457 463) the Hoare annotation is: true [2021-02-21 15:37:56,840 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:37:56,841 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-21 15:37:56,841 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 15:37:56,841 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:37:56,841 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 272 279) no Hoare annotation was computed. [2021-02-21 15:37:56,841 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 272 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2021-02-21 15:37:56,841 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 272 279) no Hoare annotation was computed. [2021-02-21 15:37:56,841 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 879 890) no Hoare annotation was computed. [2021-02-21 15:37:56,841 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 879 890) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:37:56,841 INFO L189 CegarLoopUtils]: For program point L883-1(lines 879 890) no Hoare annotation was computed. [2021-02-21 15:37:56,842 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 954 961) no Hoare annotation was computed. [2021-02-21 15:37:56,842 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 958) no Hoare annotation was computed. [2021-02-21 15:37:56,842 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 954 961) the Hoare annotation is: true [2021-02-21 15:37:56,842 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 954 961) no Hoare annotation was computed. [2021-02-21 15:37:56,842 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 130 154) no Hoare annotation was computed. [2021-02-21 15:37:56,842 INFO L185 CegarLoopUtils]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 130 154) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,842 INFO L185 CegarLoopUtils]: At program point L149(line 149) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,842 INFO L189 CegarLoopUtils]: For program point L149-1(lines 130 154) no Hoare annotation was computed. [2021-02-21 15:37:56,843 INFO L185 CegarLoopUtils]: At program point L144(line 144) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,843 INFO L185 CegarLoopUtils]: At program point L140(line 140) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,843 INFO L189 CegarLoopUtils]: For program point L138(lines 138 146) no Hoare annotation was computed. [2021-02-21 15:37:56,843 INFO L185 CegarLoopUtils]: At program point L136(line 136) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:37:56,843 INFO L189 CegarLoopUtils]: For program point L136-1(line 136) no Hoare annotation was computed. [2021-02-21 15:37:56,843 INFO L189 CegarLoopUtils]: For program point L134(lines 134 151) no Hoare annotation was computed. [2021-02-21 15:37:56,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 03:37:56 BoogieIcfgContainer [2021-02-21 15:37:56,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 15:37:56,862 INFO L168 Benchmark]: Toolchain (without parser) took 21209.47 ms. Allocated memory was 152.0 MB in the beginning and 390.1 MB in the end (delta: 238.0 MB). Free memory was 126.7 MB in the beginning and 310.3 MB in the end (delta: -183.6 MB). Peak memory consumption was 233.7 MB. Max. memory is 8.0 GB. [2021-02-21 15:37:56,862 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 15:37:56,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.81 ms. Allocated memory is still 152.0 MB. Free memory was 125.4 MB in the beginning and 104.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-21 15:37:56,863 INFO L168 Benchmark]: Boogie Preprocessor took 93.49 ms. Allocated memory is still 152.0 MB. Free memory was 104.1 MB in the beginning and 100.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-21 15:37:56,864 INFO L168 Benchmark]: RCFGBuilder took 1319.22 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 100.2 MB in the beginning and 160.5 MB in the end (delta: -60.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 8.0 GB. [2021-02-21 15:37:56,865 INFO L168 Benchmark]: TraceAbstraction took 19077.35 ms. Allocated memory was 182.5 MB in the beginning and 390.1 MB in the end (delta: 207.6 MB). Free memory was 160.0 MB in the beginning and 310.3 MB in the end (delta: -150.4 MB). Peak memory consumption was 235.0 MB. Max. memory is 8.0 GB. [2021-02-21 15:37:56,867 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 152.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 697.81 ms. Allocated memory is still 152.0 MB. Free memory was 125.4 MB in the beginning and 104.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.49 ms. Allocated memory is still 152.0 MB. Free memory was 104.1 MB in the beginning and 100.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1319.22 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 100.2 MB in the beginning and 160.5 MB in the end (delta: -60.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19077.35 ms. Allocated memory was 182.5 MB in the beginning and 390.1 MB in the end (delta: 207.6 MB). Free memory was 160.0 MB in the beginning and 310.3 MB in the end (delta: -150.4 MB). Peak memory consumption was 235.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 958]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 430 SDtfs, 614 SDslu, 269 SDs, 0 SdLazy, 1205 SolverSat, 431 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 88 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 249 PreInvPairs, 269 NumberOfFragments, 786 HoareAnnotationTreeSize, 249 FomulaSimplifications, 10850 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6488 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 82564 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...