/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_spec2_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 15:27:19,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 15:27:19,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 15:27:19,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 15:27:19,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 15:27:19,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 15:27:19,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 15:27:19,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 15:27:19,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 15:27:19,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 15:27:19,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 15:27:19,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 15:27:19,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 15:27:19,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 15:27:19,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 15:27:19,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 15:27:19,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 15:27:19,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 15:27:19,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 15:27:19,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 15:27:19,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 15:27:19,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 15:27:19,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 15:27:19,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 15:27:19,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 15:27:19,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 15:27:19,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 15:27:19,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 15:27:19,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 15:27:19,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 15:27:19,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 15:27:19,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 15:27:19,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 15:27:19,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 15:27:19,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 15:27:19,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 15:27:19,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 15:27:19,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 15:27:19,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 15:27:19,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 15:27:19,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 15:27:19,222 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 15:27:19,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 15:27:19,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 15:27:19,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 15:27:19,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 15:27:19,252 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 15:27:19,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 15:27:19,252 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 15:27:19,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 15:27:19,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 15:27:19,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 15:27:19,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 15:27:19,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 15:27:19,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 15:27:19,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 15:27:19,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 15:27:19,254 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 15:27:19,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 15:27:19,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 15:27:19,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 15:27:19,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 15:27:19,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 15:27:19,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 15:27:19,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 15:27:19,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 15:27:19,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 15:27:19,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 15:27:19,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 15:27:19,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 15:27:19,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 15:27:19,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 15:27:19,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 15:27:19,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 15:27:19,637 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 15:27:19,638 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 15:27:19,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2021-02-21 15:27:19,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc09264e/5472a026be88479d8a0e4031f9ff7911/FLAG4e3ae8013 [2021-02-21 15:27:20,500 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 15:27:20,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2021-02-21 15:27:20,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc09264e/5472a026be88479d8a0e4031f9ff7911/FLAG4e3ae8013 [2021-02-21 15:27:20,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc09264e/5472a026be88479d8a0e4031f9ff7911 [2021-02-21 15:27:20,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 15:27:20,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 15:27:20,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 15:27:20,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 15:27:20,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 15:27:20,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:27:20" (1/1) ... [2021-02-21 15:27:20,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28874de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:20, skipping insertion in model container [2021-02-21 15:27:20,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:27:20" (1/1) ... [2021-02-21 15:27:20,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 15:27:20,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 15:27:21,104 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_spec2_product17.cil.c[6078,6091] [2021-02-21 15:27:21,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:27:21,194 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 15:27:21,231 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_spec2_product17.cil.c[6078,6091] [2021-02-21 15:27:21,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:27:21,368 INFO L208 MainTranslator]: Completed translation [2021-02-21 15:27:21,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:21 WrapperNode [2021-02-21 15:27:21,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 15:27:21,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 15:27:21,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 15:27:21,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 15:27:21,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:21" (1/1) ... [2021-02-21 15:27:21,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:21" (1/1) ... [2021-02-21 15:27:21,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:21" (1/1) ... [2021-02-21 15:27:21,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:21" (1/1) ... [2021-02-21 15:27:21,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:21" (1/1) ... [2021-02-21 15:27:21,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:21" (1/1) ... [2021-02-21 15:27:21,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:21" (1/1) ... [2021-02-21 15:27:21,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 15:27:21,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 15:27:21,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 15:27:21,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 15:27:21,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:21" (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 15:27:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 15:27:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 15:27:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 15:27:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 15:27:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-21 15:27:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-21 15:27:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-21 15:27:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-21 15:27:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-21 15:27:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-21 15:27:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-21 15:27:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 15:27:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-21 15:27:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-21 15:27:21,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-21 15:27:21,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-21 15:27:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-21 15:27:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-21 15:27:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-21 15:27:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-21 15:27:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-21 15:27:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 15:27:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 15:27:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 15:27:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 15:27:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 15:27:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 15:27:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 15:27:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 15:27:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 15:27:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 15:27:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 15:27:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2021-02-21 15:27:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2021-02-21 15:27:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-21 15:27:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-21 15:27:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 15:27:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-21 15:27:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 15:27:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 15:27:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 15:27:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 15:27:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 15:27:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 15:27:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 15:27:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-21 15:27:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-21 15:27:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-21 15:27:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-21 15:27:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-21 15:27:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-21 15:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-21 15:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-21 15:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-21 15:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 15:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-21 15:27:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-21 15:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-21 15:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-21 15:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2021-02-21 15:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-21 15:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-21 15:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-21 15:27:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-21 15:27:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 15:27:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 15:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 15:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 15:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 15:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 15:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 15:27:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 15:27:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 15:27:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 15:27:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 15:27:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 15:27:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 15:27:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 15:27:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 15:27:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 15:27:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 15:27:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 15:27:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 15:27:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 15:27:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2021-02-21 15:27:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-21 15:27:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 15:27:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-21 15:27:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 15:27:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 15:27:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 15:27:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 15:27:22,955 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 15:27:22,955 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 15:27:22,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:27:22 BoogieIcfgContainer [2021-02-21 15:27:22,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 15:27:22,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 15:27:22,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 15:27:22,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 15:27:22,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:27:20" (1/3) ... [2021-02-21 15:27:22,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40327670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:27:22, skipping insertion in model container [2021-02-21 15:27:22,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:21" (2/3) ... [2021-02-21 15:27:22,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40327670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:27:22, skipping insertion in model container [2021-02-21 15:27:22,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:27:22" (3/3) ... [2021-02-21 15:27:22,968 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2021-02-21 15:27:22,975 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 15:27:22,981 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 15:27:23,003 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 15:27:23,056 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 15:27:23,057 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 15:27:23,057 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 15:27:23,057 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 15:27:23,057 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 15:27:23,057 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 15:27:23,058 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 15:27:23,058 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 15:27:23,082 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2021-02-21 15:27:23,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-21 15:27:23,094 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:27:23,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 15:27:23,096 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:27:23,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:27:23,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1338960772, now seen corresponding path program 1 times [2021-02-21 15:27:23,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:27:23,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098505968] [2021-02-21 15:27:23,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:27:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:23,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:23,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:23,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:23,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:23,798 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:27:23,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:27:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:23,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:23,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:23,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:27:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:23,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:23,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:23,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:27:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:23,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:23,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:23,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:27:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:23,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:23,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:23,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:27:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:23,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:23,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:23,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:27:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:23,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:23,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:23,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-21 15:27:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:23,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:23,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:23,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-21 15:27:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:23,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:23,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:27:23,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098505968] [2021-02-21 15:27:23,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:27:23,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 15:27:23,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413973956] [2021-02-21 15:27:23,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 15:27:23,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:27:23,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 15:27:23,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-21 15:27:23,995 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 4 states. [2021-02-21 15:27:25,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:27:25,082 INFO L93 Difference]: Finished difference Result 246 states and 324 transitions. [2021-02-21 15:27:25,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 15:27:25,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-02-21 15:27:25,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:27:25,097 INFO L225 Difference]: With dead ends: 246 [2021-02-21 15:27:25,097 INFO L226 Difference]: Without dead ends: 138 [2021-02-21 15:27:25,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-21 15:27:25,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-02-21 15:27:25,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 109. [2021-02-21 15:27:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-02-21 15:27:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-02-21 15:27:25,194 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2021-02-21 15:27:25,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:27:25,194 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-02-21 15:27:25,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 15:27:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-02-21 15:27:25,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-21 15:27:25,198 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:27:25,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 15:27:25,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 15:27:25,199 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:27:25,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:27:25,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1265952731, now seen corresponding path program 1 times [2021-02-21 15:27:25,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:27:25,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39322831] [2021-02-21 15:27:25,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:27:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:25,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:25,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:25,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:25,694 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:27:25,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:27:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:25,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:25,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:27:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:25,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:25,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:27:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:25,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:25,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:27:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:25,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:25,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:27:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:25,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:25,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:27:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:25,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:25,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-21 15:27:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:25,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:25,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-21 15:27:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:25,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:25,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:25,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:27:25,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39322831] [2021-02-21 15:27:25,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:27:25,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 15:27:25,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313268970] [2021-02-21 15:27:25,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 15:27:25,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:27:25,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 15:27:25,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 15:27:25,816 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 5 states. [2021-02-21 15:27:26,464 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 15:27:27,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:27:27,196 INFO L93 Difference]: Finished difference Result 191 states and 235 transitions. [2021-02-21 15:27:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 15:27:27,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-02-21 15:27:27,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:27:27,200 INFO L225 Difference]: With dead ends: 191 [2021-02-21 15:27:27,200 INFO L226 Difference]: Without dead ends: 128 [2021-02-21 15:27:27,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-21 15:27:27,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-02-21 15:27:27,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2021-02-21 15:27:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-21 15:27:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2021-02-21 15:27:27,247 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2021-02-21 15:27:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:27:27,247 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2021-02-21 15:27:27,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 15:27:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2021-02-21 15:27:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-02-21 15:27:27,250 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:27:27,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 15:27:27,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 15:27:27,251 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:27:27,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:27:27,251 INFO L82 PathProgramCache]: Analyzing trace with hash -716269096, now seen corresponding path program 1 times [2021-02-21 15:27:27,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:27:27,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979624212] [2021-02-21 15:27:27,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:27:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:27,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:27,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:27,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:27,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:27:27,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:27,707 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:27:27,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:27:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:27,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 15:27:27,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:27:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:27,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:27,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:27:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:27,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:27,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:27:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:27,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:27,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:27:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:27,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:27,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:27:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:27,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:27,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 15:27:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:27,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:27,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-21 15:27:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:27,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:27,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:27:27,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979624212] [2021-02-21 15:27:27,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:27:27,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 15:27:27,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694252168] [2021-02-21 15:27:27,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 15:27:27,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:27:27,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 15:27:27,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-21 15:27:27,893 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 9 states. [2021-02-21 15:27:28,412 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:27:28,854 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:27:29,228 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:27:29,603 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:27:30,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:27:30,698 INFO L93 Difference]: Finished difference Result 200 states and 250 transitions. [2021-02-21 15:27:30,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 15:27:30,698 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2021-02-21 15:27:30,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:27:30,701 INFO L225 Difference]: With dead ends: 200 [2021-02-21 15:27:30,701 INFO L226 Difference]: Without dead ends: 128 [2021-02-21 15:27:30,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-21 15:27:30,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-02-21 15:27:30,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2021-02-21 15:27:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-21 15:27:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2021-02-21 15:27:30,743 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 56 [2021-02-21 15:27:30,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:27:30,744 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2021-02-21 15:27:30,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 15:27:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2021-02-21 15:27:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-02-21 15:27:30,746 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:27:30,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 15:27:30,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 15:27:30,747 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:27:30,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:27:30,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1476142165, now seen corresponding path program 1 times [2021-02-21 15:27:30,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:27:30,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617824295] [2021-02-21 15:27:30,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:27:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:30,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:30,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:30,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:30,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:30,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:30,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:30,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:30,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:30,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:30,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:30,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:30,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:30,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:30,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:31,196 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:27:31,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:27:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:31,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:31,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:31,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:27:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:31,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:31,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:31,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:27:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:31,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:31,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:31,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:27:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:31,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:31,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:31,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:27:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:31,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:31,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:31,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:27:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:31,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:31,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:31,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-21 15:27:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:31,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:31,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:31,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 15:27:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:31,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:31,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:31,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-21 15:27:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:31,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:31,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:31,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-21 15:27:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:31,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:31,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:27:31,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617824295] [2021-02-21 15:27:31,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:27:31,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 15:27:31,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371327208] [2021-02-21 15:27:31,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 15:27:31,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:27:31,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 15:27:31,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-21 15:27:31,310 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 9 states. [2021-02-21 15:27:31,797 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:27:32,943 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:27:33,424 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:27:33,806 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:27:34,188 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:27:35,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:27:35,289 INFO L93 Difference]: Finished difference Result 307 states and 408 transitions. [2021-02-21 15:27:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-21 15:27:35,290 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2021-02-21 15:27:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:27:35,297 INFO L225 Difference]: With dead ends: 307 [2021-02-21 15:27:35,297 INFO L226 Difference]: Without dead ends: 235 [2021-02-21 15:27:35,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2021-02-21 15:27:35,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2021-02-21 15:27:35,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 162. [2021-02-21 15:27:35,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2021-02-21 15:27:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2021-02-21 15:27:35,371 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 64 [2021-02-21 15:27:35,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:27:35,371 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2021-02-21 15:27:35,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 15:27:35,371 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2021-02-21 15:27:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-02-21 15:27:35,374 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:27:35,374 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 15:27:35,374 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 15:27:35,374 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:27:35,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:27:35,375 INFO L82 PathProgramCache]: Analyzing trace with hash 308229191, now seen corresponding path program 1 times [2021-02-21 15:27:35,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:27:35,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599662725] [2021-02-21 15:27:35,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:27:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:35,799 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:27:35,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:27:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:27:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:35,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:27:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:35,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:27:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:35,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:27:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:35,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:27:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:35,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-02-21 15:27:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:35,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-21 15:27:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:35,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 15:27:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:35,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-21 15:27:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:35,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 15:27:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:35,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:35,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:35,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:27:35,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599662725] [2021-02-21 15:27:35,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:27:35,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 15:27:35,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419715538] [2021-02-21 15:27:35,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 15:27:35,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:27:35,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 15:27:35,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-21 15:27:35,977 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand 10 states. [2021-02-21 15:27:36,596 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:27:37,758 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:27:38,216 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:27:38,637 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:27:38,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:27:38,807 INFO L93 Difference]: Finished difference Result 289 states and 366 transitions. [2021-02-21 15:27:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 15:27:38,808 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2021-02-21 15:27:38,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:27:38,809 INFO L225 Difference]: With dead ends: 289 [2021-02-21 15:27:38,809 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 15:27:38,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2021-02-21 15:27:38,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 15:27:38,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 15:27:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 15:27:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 15:27:38,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2021-02-21 15:27:38,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:27:38,813 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 15:27:38,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 15:27:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 15:27:38,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 15:27:38,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 15:27:38,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 15:27:39,182 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 12 [2021-02-21 15:27:40,331 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 13 [2021-02-21 15:27:41,671 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-21 15:27:41,917 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-21 15:27:42,183 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-21 15:27:42,429 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2021-02-21 15:27:43,012 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-21 15:27:43,369 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:27:43,669 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-21 15:27:44,221 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-21 15:27:44,807 WARN L202 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-21 15:27:45,368 WARN L202 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 12 [2021-02-21 15:27:45,955 WARN L202 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-21 15:27:46,555 WARN L202 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-21 15:27:46,847 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-21 15:27:47,140 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-21 15:27:47,447 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-21 15:27:47,733 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2021-02-21 15:27:48,017 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-21 15:27:48,586 WARN L202 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-21 15:27:48,870 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-21 15:27:49,200 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2021-02-21 15:27:49,534 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2021-02-21 15:27:50,080 WARN L202 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-21 15:27:50,087 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 15:27:50,087 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 15:27:50,087 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 15:27:50,088 INFO L189 CegarLoopUtils]: For program point L508(lines 485 509) no Hoare annotation was computed. [2021-02-21 15:27:50,088 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 461 516) no Hoare annotation was computed. [2021-02-21 15:27:50,088 INFO L189 CegarLoopUtils]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-02-21 15:27:50,088 INFO L189 CegarLoopUtils]: For program point L492-1(lines 492 496) no Hoare annotation was computed. [2021-02-21 15:27:50,088 INFO L189 CegarLoopUtils]: For program point L487(line 487) no Hoare annotation was computed. [2021-02-21 15:27:50,088 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 461 516) no Hoare annotation was computed. [2021-02-21 15:27:50,088 INFO L189 CegarLoopUtils]: For program point L486-2(lines 486 507) no Hoare annotation was computed. [2021-02-21 15:27:50,088 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 461 516) no Hoare annotation was computed. [2021-02-21 15:27:50,088 INFO L189 CegarLoopUtils]: For program point L544(line 544) no Hoare annotation was computed. [2021-02-21 15:27:50,089 INFO L189 CegarLoopUtils]: For program point L543-2(lines 543 568) no Hoare annotation was computed. [2021-02-21 15:27:50,089 INFO L189 CegarLoopUtils]: For program point L569(lines 542 570) no Hoare annotation was computed. [2021-02-21 15:27:50,089 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 517 576) no Hoare annotation was computed. [2021-02-21 15:27:50,089 INFO L189 CegarLoopUtils]: For program point L562(line 562) no Hoare annotation was computed. [2021-02-21 15:27:50,089 INFO L189 CegarLoopUtils]: For program point L562-1(line 562) no Hoare annotation was computed. [2021-02-21 15:27:50,089 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 517 576) no Hoare annotation was computed. [2021-02-21 15:27:50,089 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 517 576) no Hoare annotation was computed. [2021-02-21 15:27:50,089 INFO L189 CegarLoopUtils]: For program point L549(lines 549 553) no Hoare annotation was computed. [2021-02-21 15:27:50,089 INFO L189 CegarLoopUtils]: For program point L549-1(lines 549 553) no Hoare annotation was computed. [2021-02-21 15:27:50,090 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 383 389) the Hoare annotation is: true [2021-02-21 15:27:50,090 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 383 389) no Hoare annotation was computed. [2021-02-21 15:27:50,090 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 390 398) no Hoare annotation was computed. [2021-02-21 15:27:50,090 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 390 398) the Hoare annotation is: true [2021-02-21 15:27:50,090 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 390 398) no Hoare annotation was computed. [2021-02-21 15:27:50,090 INFO L189 CegarLoopUtils]: For program point L897(lines 897 904) no Hoare annotation was computed. [2021-02-21 15:27:50,090 INFO L189 CegarLoopUtils]: For program point L897-1(lines 897 904) no Hoare annotation was computed. [2021-02-21 15:27:50,090 INFO L189 CegarLoopUtils]: For program point L895(line 895) no Hoare annotation was computed. [2021-02-21 15:27:50,091 INFO L185 CegarLoopUtils]: At program point L894(line 894) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:27:50,091 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 887 909) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:27:50,091 INFO L185 CegarLoopUtils]: At program point L893(line 893) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:27:50,091 INFO L185 CegarLoopUtils]: At program point L893-1(line 893) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:27:50,091 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 887 909) no Hoare annotation was computed. [2021-02-21 15:27:50,092 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 887 909) no Hoare annotation was computed. [2021-02-21 15:27:50,092 INFO L185 CegarLoopUtils]: At program point L899(line 899) the Hoare annotation is: (or (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:27:50,092 INFO L185 CegarLoopUtils]: At program point L899-1(line 899) the Hoare annotation is: (or (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:27:50,092 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 845 868) no Hoare annotation was computed. [2021-02-21 15:27:50,092 INFO L189 CegarLoopUtils]: For program point L863(line 863) no Hoare annotation was computed. [2021-02-21 15:27:50,092 INFO L189 CegarLoopUtils]: For program point L862(line 862) no Hoare annotation was computed. [2021-02-21 15:27:50,093 INFO L189 CegarLoopUtils]: For program point L861(line 861) no Hoare annotation was computed. [2021-02-21 15:27:50,093 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 845 868) no Hoare annotation was computed. [2021-02-21 15:27:50,093 INFO L189 CegarLoopUtils]: For program point L860(line 860) no Hoare annotation was computed. [2021-02-21 15:27:50,093 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 845 868) no Hoare annotation was computed. [2021-02-21 15:27:50,093 INFO L189 CegarLoopUtils]: For program point L859(line 859) no Hoare annotation was computed. [2021-02-21 15:27:50,093 INFO L189 CegarLoopUtils]: For program point L858(line 858) no Hoare annotation was computed. [2021-02-21 15:27:50,093 INFO L189 CegarLoopUtils]: For program point L857(line 857) no Hoare annotation was computed. [2021-02-21 15:27:50,093 INFO L189 CegarLoopUtils]: For program point L856(line 856) no Hoare annotation was computed. [2021-02-21 15:27:50,093 INFO L189 CegarLoopUtils]: For program point L855(line 855) no Hoare annotation was computed. [2021-02-21 15:27:50,093 INFO L189 CegarLoopUtils]: For program point L854(line 854) no Hoare annotation was computed. [2021-02-21 15:27:50,094 INFO L189 CegarLoopUtils]: For program point L853(line 853) no Hoare annotation was computed. [2021-02-21 15:27:50,094 INFO L189 CegarLoopUtils]: For program point L852(line 852) no Hoare annotation was computed. [2021-02-21 15:27:50,094 INFO L189 CegarLoopUtils]: For program point L851(line 851) no Hoare annotation was computed. [2021-02-21 15:27:50,094 INFO L189 CegarLoopUtils]: For program point L850(line 850) no Hoare annotation was computed. [2021-02-21 15:27:50,094 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 297 305) no Hoare annotation was computed. [2021-02-21 15:27:50,094 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 297 305) the Hoare annotation is: true [2021-02-21 15:27:50,094 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 297 305) no Hoare annotation was computed. [2021-02-21 15:27:50,094 INFO L189 CegarLoopUtils]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-02-21 15:27:50,094 INFO L192 CegarLoopUtils]: At program point L349(line 349) the Hoare annotation is: true [2021-02-21 15:27:50,095 INFO L189 CegarLoopUtils]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2021-02-21 15:27:50,095 INFO L189 CegarLoopUtils]: For program point L349-1(line 349) no Hoare annotation was computed. [2021-02-21 15:27:50,095 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 342 360) the Hoare annotation is: true [2021-02-21 15:27:50,095 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 342 360) no Hoare annotation was computed. [2021-02-21 15:27:50,095 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 342 360) no Hoare annotation was computed. [2021-02-21 15:27:50,095 INFO L189 CegarLoopUtils]: For program point L313(lines 313 321) no Hoare annotation was computed. [2021-02-21 15:27:50,095 INFO L189 CegarLoopUtils]: For program point L313-2(lines 313 321) no Hoare annotation was computed. [2021-02-21 15:27:50,095 INFO L189 CegarLoopUtils]: For program point L336(line 336) no Hoare annotation was computed. [2021-02-21 15:27:50,095 INFO L189 CegarLoopUtils]: For program point L336-1(line 336) no Hoare annotation was computed. [2021-02-21 15:27:50,095 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 306 341) no Hoare annotation was computed. [2021-02-21 15:27:50,096 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 306 341) no Hoare annotation was computed. [2021-02-21 15:27:50,096 INFO L189 CegarLoopUtils]: For program point L325(lines 325 333) no Hoare annotation was computed. [2021-02-21 15:27:50,096 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 333) no Hoare annotation was computed. [2021-02-21 15:27:50,096 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 306 341) no Hoare annotation was computed. [2021-02-21 15:27:50,096 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 376 382) no Hoare annotation was computed. [2021-02-21 15:27:50,096 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 376 382) the Hoare annotation is: true [2021-02-21 15:27:50,096 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 415 460) no Hoare annotation was computed. [2021-02-21 15:27:50,096 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 415 460) no Hoare annotation was computed. [2021-02-21 15:27:50,097 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 415 460) no Hoare annotation was computed. [2021-02-21 15:27:50,097 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 728 773) no Hoare annotation was computed. [2021-02-21 15:27:50,097 INFO L189 CegarLoopUtils]: For program point L748(lines 748 755) no Hoare annotation was computed. [2021-02-21 15:27:50,097 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 728 773) no Hoare annotation was computed. [2021-02-21 15:27:50,097 INFO L189 CegarLoopUtils]: For program point L742(lines 742 762) no Hoare annotation was computed. [2021-02-21 15:27:50,097 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 728 773) no Hoare annotation was computed. [2021-02-21 15:27:50,097 INFO L189 CegarLoopUtils]: For program point L742-1(lines 742 762) no Hoare annotation was computed. [2021-02-21 15:27:50,097 INFO L185 CegarLoopUtils]: At program point L881(line 881) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:27:50,098 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 876 886) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:27:50,098 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 876 886) no Hoare annotation was computed. [2021-02-21 15:27:50,098 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 876 886) no Hoare annotation was computed. [2021-02-21 15:27:50,098 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 286 296) no Hoare annotation was computed. [2021-02-21 15:27:50,098 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 286 296) no Hoare annotation was computed. [2021-02-21 15:27:50,098 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 286 296) no Hoare annotation was computed. [2021-02-21 15:27:50,098 INFO L189 CegarLoopUtils]: For program point L291(line 291) no Hoare annotation was computed. [2021-02-21 15:27:50,098 INFO L189 CegarLoopUtils]: For program point L291-1(line 291) no Hoare annotation was computed. [2021-02-21 15:27:50,098 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 278 285) the Hoare annotation is: true [2021-02-21 15:27:50,098 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2021-02-21 15:27:50,098 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2021-02-21 15:27:50,099 INFO L185 CegarLoopUtils]: At program point L255(line 255) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:27:50,099 INFO L189 CegarLoopUtils]: For program point L253(lines 253 261) no Hoare annotation was computed. [2021-02-21 15:27:50,099 INFO L185 CegarLoopUtils]: At program point L251(line 251) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:27:50,099 INFO L189 CegarLoopUtils]: For program point L251-1(line 251) no Hoare annotation was computed. [2021-02-21 15:27:50,099 INFO L189 CegarLoopUtils]: For program point L249(lines 249 266) no Hoare annotation was computed. [2021-02-21 15:27:50,099 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 245 269) no Hoare annotation was computed. [2021-02-21 15:27:50,099 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 245 269) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:27:50,099 INFO L185 CegarLoopUtils]: At program point L264(line 264) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:27:50,099 INFO L189 CegarLoopUtils]: For program point L264-1(lines 245 269) no Hoare annotation was computed. [2021-02-21 15:27:50,100 INFO L185 CegarLoopUtils]: At program point L259(line 259) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:27:50,100 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 237 243) no Hoare annotation was computed. [2021-02-21 15:27:50,100 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 237 243) the Hoare annotation is: true [2021-02-21 15:27:50,100 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 140 203) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:27:50,100 INFO L189 CegarLoopUtils]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-02-21 15:27:50,100 INFO L185 CegarLoopUtils]: At program point L186-2(lines 180 191) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-21 15:27:50,100 INFO L189 CegarLoopUtils]: For program point L151(lines 150 195) no Hoare annotation was computed. [2021-02-21 15:27:50,100 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 140 203) no Hoare annotation was computed. [2021-02-21 15:27:50,101 INFO L189 CegarLoopUtils]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-02-21 15:27:50,101 INFO L185 CegarLoopUtils]: At program point L172(line 172) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-21 15:27:50,101 INFO L189 CegarLoopUtils]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-02-21 15:27:50,101 INFO L189 CegarLoopUtils]: For program point L170-1(lines 170 176) no Hoare annotation was computed. [2021-02-21 15:27:50,101 INFO L185 CegarLoopUtils]: At program point L162(line 162) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-21 15:27:50,101 INFO L185 CegarLoopUtils]: At program point L193(lines 150 195) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-21 15:27:50,101 INFO L189 CegarLoopUtils]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-02-21 15:27:50,101 INFO L189 CegarLoopUtils]: For program point L160-1(lines 160 166) no Hoare annotation was computed. [2021-02-21 15:27:50,101 INFO L189 CegarLoopUtils]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-02-21 15:27:50,102 INFO L185 CegarLoopUtils]: At program point L196(lines 149 197) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:27:50,102 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 140 203) no Hoare annotation was computed. [2021-02-21 15:27:50,102 INFO L189 CegarLoopUtils]: For program point L702(lines 702 709) no Hoare annotation was computed. [2021-02-21 15:27:50,102 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 682 727) no Hoare annotation was computed. [2021-02-21 15:27:50,102 INFO L189 CegarLoopUtils]: For program point L696(lines 696 716) no Hoare annotation was computed. [2021-02-21 15:27:50,102 INFO L189 CegarLoopUtils]: For program point L696-1(lines 696 716) no Hoare annotation was computed. [2021-02-21 15:27:50,102 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 682 727) no Hoare annotation was computed. [2021-02-21 15:27:50,102 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 682 727) no Hoare annotation was computed. [2021-02-21 15:27:50,102 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 128 136) no Hoare annotation was computed. [2021-02-21 15:27:50,103 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 128 136) the Hoare annotation is: true [2021-02-21 15:27:50,103 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 128 136) no Hoare annotation was computed. [2021-02-21 15:27:50,103 INFO L185 CegarLoopUtils]: At program point L799(line 799) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:27:50,103 INFO L189 CegarLoopUtils]: For program point L797(lines 797 803) no Hoare annotation was computed. [2021-02-21 15:27:50,103 INFO L189 CegarLoopUtils]: For program point L796(lines 796 806) no Hoare annotation was computed. [2021-02-21 15:27:50,103 INFO L185 CegarLoopUtils]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-02-21 15:27:50,103 INFO L189 CegarLoopUtils]: For program point L794-1(line 794) no Hoare annotation was computed. [2021-02-21 15:27:50,103 INFO L189 CegarLoopUtils]: For program point L792(lines 792 809) no Hoare annotation was computed. [2021-02-21 15:27:50,103 INFO L189 CegarLoopUtils]: For program point L792-1(lines 784 812) no Hoare annotation was computed. [2021-02-21 15:27:50,104 INFO L185 CegarLoopUtils]: At program point L790(line 790) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-21 15:27:50,104 INFO L189 CegarLoopUtils]: For program point L790-1(line 790) no Hoare annotation was computed. [2021-02-21 15:27:50,104 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 784 812) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-21 15:27:50,104 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__2EXIT(lines 784 812) no Hoare annotation was computed. [2021-02-21 15:27:50,104 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 96 118) no Hoare annotation was computed. [2021-02-21 15:27:50,104 INFO L189 CegarLoopUtils]: For program point L104(lines 104 112) no Hoare annotation was computed. [2021-02-21 15:27:50,104 INFO L189 CegarLoopUtils]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2021-02-21 15:27:50,104 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 96 118) no Hoare annotation was computed. [2021-02-21 15:27:50,104 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 96 118) no Hoare annotation was computed. [2021-02-21 15:27:50,104 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 776 783) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1FINAL(lines 776 783) no Hoare annotation was computed. [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1EXIT(lines 776 783) no Hoare annotation was computed. [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 366 375) no Hoare annotation was computed. [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 366 375) no Hoare annotation was computed. [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 366 375) no Hoare annotation was computed. [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 579 681) no Hoare annotation was computed. [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point L603(lines 603 607) no Hoare annotation was computed. [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point L667(lines 667 678) no Hoare annotation was computed. [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point L630(lines 630 634) no Hoare annotation was computed. [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point L628-2(lines 628 648) no Hoare annotation was computed. [2021-02-21 15:27:50,105 INFO L189 CegarLoopUtils]: For program point L649(lines 627 650) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 579 681) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point L608(lines 608 624) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point L668(lines 668 675) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point L629(lines 628 648) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point L660(line 660) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point L660-1(line 660) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 579 681) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point L625(lines 625 666) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point L644(line 644) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point L644-1(line 644) no Hoare annotation was computed. [2021-02-21 15:27:50,106 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:27:50,107 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#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~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-21 15:27:50,107 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:27:50,107 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 270 277) no Hoare annotation was computed. [2021-02-21 15:27:50,107 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 270 277) no Hoare annotation was computed. [2021-02-21 15:27:50,107 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 270 277) no Hoare annotation was computed. [2021-02-21 15:27:50,107 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 119 127) no Hoare annotation was computed. [2021-02-21 15:27:50,108 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 119 127) no Hoare annotation was computed. [2021-02-21 15:27:50,108 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 119 127) no Hoare annotation was computed. [2021-02-21 15:27:50,108 INFO L189 CegarLoopUtils]: For program point L79-1(lines 75 86) no Hoare annotation was computed. [2021-02-21 15:27:50,108 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 75 86) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-21 15:27:50,108 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 75 86) no Hoare annotation was computed. [2021-02-21 15:27:50,108 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:27:50,108 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-21 15:27:50,108 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:27:50,108 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 87 95) the Hoare annotation is: true [2021-02-21 15:27:50,108 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 87 95) no Hoare annotation was computed. [2021-02-21 15:27:50,109 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 87 95) no Hoare annotation was computed. [2021-02-21 15:27:50,109 INFO L185 CegarLoopUtils]: At program point L224(lines 224 230) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:27:50,109 INFO L185 CegarLoopUtils]: At program point L219(line 219) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:27:50,109 INFO L189 CegarLoopUtils]: For program point L217(lines 216 235) no Hoare annotation was computed. [2021-02-21 15:27:50,109 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 213 236) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:27:50,109 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 213 236) no Hoare annotation was computed. [2021-02-21 15:27:50,109 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 213 236) no Hoare annotation was computed. [2021-02-21 15:27:50,109 INFO L185 CegarLoopUtils]: At program point L226(line 226) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:27:50,110 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 815 844) no Hoare annotation was computed. [2021-02-21 15:27:50,110 INFO L189 CegarLoopUtils]: For program point L829(lines 829 833) no Hoare annotation was computed. [2021-02-21 15:27:50,110 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 815 844) the Hoare annotation is: true [2021-02-21 15:27:50,110 INFO L192 CegarLoopUtils]: At program point L829-1(lines 829 833) the Hoare annotation is: true [2021-02-21 15:27:50,110 INFO L189 CegarLoopUtils]: For program point L826(line 826) no Hoare annotation was computed. [2021-02-21 15:27:50,110 INFO L192 CegarLoopUtils]: At program point L825-2(lines 825 839) the Hoare annotation is: true [2021-02-21 15:27:50,110 INFO L192 CegarLoopUtils]: At program point L821(line 821) the Hoare annotation is: true [2021-02-21 15:27:50,110 INFO L189 CegarLoopUtils]: For program point L821-1(line 821) no Hoare annotation was computed. [2021-02-21 15:27:50,110 INFO L192 CegarLoopUtils]: At program point L840(lines 815 844) the Hoare annotation is: true [2021-02-21 15:27:50,110 INFO L189 CegarLoopUtils]: For program point L836(line 836) no Hoare annotation was computed. [2021-02-21 15:27:50,110 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 51 62) the Hoare annotation is: true [2021-02-21 15:27:50,111 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 51 62) no Hoare annotation was computed. [2021-02-21 15:27:50,111 INFO L189 CegarLoopUtils]: For program point L55-1(lines 51 62) no Hoare annotation was computed. [2021-02-21 15:27:50,111 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 869 875) no Hoare annotation was computed. [2021-02-21 15:27:50,111 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 869 875) the Hoare annotation is: true [2021-02-21 15:27:50,111 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:27:50,111 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-21 15:27:50,111 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 15:27:50,111 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:27:50,111 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 63 74) no Hoare annotation was computed. [2021-02-21 15:27:50,112 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 63 74) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:27:50,112 INFO L189 CegarLoopUtils]: For program point L67-1(lines 63 74) no Hoare annotation was computed. [2021-02-21 15:27:50,112 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 400 407) no Hoare annotation was computed. [2021-02-21 15:27:50,112 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-02-21 15:27:50,112 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 400 407) the Hoare annotation is: true [2021-02-21 15:27:50,112 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 400 407) no Hoare annotation was computed. [2021-02-21 15:27:50,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 03:27:50 BoogieIcfgContainer [2021-02-21 15:27:50,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 15:27:50,132 INFO L168 Benchmark]: Toolchain (without parser) took 29353.66 ms. Allocated memory was 152.0 MB in the beginning and 420.5 MB in the end (delta: 268.4 MB). Free memory was 126.0 MB in the beginning and 334.6 MB in the end (delta: -208.7 MB). Peak memory consumption was 249.7 MB. Max. memory is 8.0 GB. [2021-02-21 15:27:50,132 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 124.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 15:27:50,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.30 ms. Allocated memory is still 152.0 MB. Free memory was 124.9 MB in the beginning and 104.0 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-21 15:27:50,133 INFO L168 Benchmark]: Boogie Preprocessor took 165.87 ms. Allocated memory is still 152.0 MB. Free memory was 104.0 MB in the beginning and 100.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-21 15:27:50,134 INFO L168 Benchmark]: RCFGBuilder took 1419.77 ms. Allocated memory is still 152.0 MB. Free memory was 100.1 MB in the beginning and 50.8 MB in the end (delta: 49.3 MB). Peak memory consumption was 48.9 MB. Max. memory is 8.0 GB. [2021-02-21 15:27:50,135 INFO L168 Benchmark]: TraceAbstraction took 27170.46 ms. Allocated memory was 152.0 MB in the beginning and 420.5 MB in the end (delta: 268.4 MB). Free memory was 50.3 MB in the beginning and 334.6 MB in the end (delta: -284.3 MB). Peak memory consumption was 174.6 MB. Max. memory is 8.0 GB. [2021-02-21 15:27:50,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 124.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 579.30 ms. Allocated memory is still 152.0 MB. Free memory was 124.9 MB in the beginning and 104.0 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 165.87 ms. Allocated memory is still 152.0 MB. Free memory was 104.0 MB in the beginning and 100.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1419.77 ms. Allocated memory is still 152.0 MB. Free memory was 100.1 MB in the beginning and 50.8 MB in the end (delta: 49.3 MB). Peak memory consumption was 48.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 27170.46 ms. Allocated memory was 152.0 MB in the beginning and 420.5 MB in the end (delta: 268.4 MB). Free memory was 50.3 MB in the beginning and 334.6 MB in the end (delta: -284.3 MB). Peak memory consumption was 174.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 404]: 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: 150]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 431 SDtfs, 920 SDslu, 376 SDs, 0 SdLazy, 1689 SolverSat, 620 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 777 HoareAnnotationTreeSize, 246 FomulaSimplifications, 99944 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 51 FomulaSimplificationsInter, 8050 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 89466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...