/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 12:37:51,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 12:37:51,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 12:37:51,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 12:37:51,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 12:37:51,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 12:37:51,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 12:37:51,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 12:37:51,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 12:37:51,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 12:37:51,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 12:37:51,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 12:37:51,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 12:37:51,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 12:37:51,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 12:37:51,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 12:37:51,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 12:37:51,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 12:37:51,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 12:37:51,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 12:37:51,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 12:37:51,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 12:37:51,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 12:37:51,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 12:37:51,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 12:37:51,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 12:37:51,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 12:37:51,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 12:37:51,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 12:37:51,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 12:37:51,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 12:37:51,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 12:37:51,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 12:37:51,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 12:37:51,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 12:37:51,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 12:37:51,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 12:37:51,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 12:37:51,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 12:37:51,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 12:37:51,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 12:37:51,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 12:37:52,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 12:37:52,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 12:37:52,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 12:37:52,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 12:37:52,026 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 12:37:52,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 12:37:52,027 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 12:37:52,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 12:37:52,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 12:37:52,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 12:37:52,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 12:37:52,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 12:37:52,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 12:37:52,028 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 12:37:52,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 12:37:52,028 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 12:37:52,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 12:37:52,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 12:37:52,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 12:37:52,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 12:37:52,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 12:37:52,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 12:37:52,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 12:37:52,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 12:37:52,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 12:37:52,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 12:37:52,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 12:37:52,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 12:37:52,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 12:37:52,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 12:37:52,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 12:37:52,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 12:37:52,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 12:37:52,494 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 12:37:52,495 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 12:37:52,496 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-09-04 12:37:52,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08dd410f9/72e01b65da1e4ef98e709fc7a42c7585/FLAG1f0c99899 [2020-09-04 12:37:53,197 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 12:37:53,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-09-04 12:37:53,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08dd410f9/72e01b65da1e4ef98e709fc7a42c7585/FLAG1f0c99899 [2020-09-04 12:37:53,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08dd410f9/72e01b65da1e4ef98e709fc7a42c7585 [2020-09-04 12:37:53,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 12:37:53,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 12:37:53,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 12:37:53,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 12:37:53,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 12:37:53,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:37:53" (1/1) ... [2020-09-04 12:37:53,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b65b249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:53, skipping insertion in model container [2020-09-04 12:37:53,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:37:53" (1/1) ... [2020-09-04 12:37:53,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 12:37:53,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 12:37:53,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 12:37:53,924 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 12:37:54,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 12:37:54,131 INFO L208 MainTranslator]: Completed translation [2020-09-04 12:37:54,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:54 WrapperNode [2020-09-04 12:37:54,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 12:37:54,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 12:37:54,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 12:37:54,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 12:37:54,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:54" (1/1) ... [2020-09-04 12:37:54,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:54" (1/1) ... [2020-09-04 12:37:54,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:54" (1/1) ... [2020-09-04 12:37:54,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:54" (1/1) ... [2020-09-04 12:37:54,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:54" (1/1) ... [2020-09-04 12:37:54,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:54" (1/1) ... [2020-09-04 12:37:54,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:54" (1/1) ... [2020-09-04 12:37:54,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 12:37:54,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 12:37:54,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 12:37:54,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 12:37:54,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 12:37:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 12:37:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 12:37:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 12:37:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-04 12:37:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 12:37:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 12:37:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 12:37:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 12:37:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 12:37:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 12:37:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 12:37:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 12:37:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 12:37:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 12:37:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 12:37:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 12:37:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 12:37:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 12:37:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-04 12:37:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 12:37:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 12:37:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 12:37:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 12:37:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 12:37:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 12:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 12:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 12:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 12:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 12:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 12:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 12:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 12:37:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 12:37:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 12:37:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 12:37:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 12:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 12:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 12:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 12:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 12:37:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 12:37:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 12:37:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-04 12:37:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 12:37:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 12:37:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 12:37:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 12:37:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 12:37:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 12:37:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 12:37:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 12:37:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 12:37:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 12:37:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 12:37:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 12:37:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 12:37:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 12:37:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 12:37:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 12:37:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 12:37:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 12:37:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 12:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 12:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 12:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 12:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 12:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 12:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 12:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 12:37:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 12:37:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 12:37:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 12:37:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 12:37:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 12:37:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 12:37:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 12:37:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 12:37:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 12:37:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 12:37:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 12:37:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-04 12:37:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 12:37:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 12:37:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 12:37:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 12:37:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 12:37:55,348 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 12:37:55,348 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 12:37:55,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 12:37:55 BoogieIcfgContainer [2020-09-04 12:37:55,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 12:37:55,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 12:37:55,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 12:37:55,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 12:37:55,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 12:37:53" (1/3) ... [2020-09-04 12:37:55,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a724e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 12:37:55, skipping insertion in model container [2020-09-04 12:37:55,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:37:54" (2/3) ... [2020-09-04 12:37:55,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a724e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 12:37:55, skipping insertion in model container [2020-09-04 12:37:55,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 12:37:55" (3/3) ... [2020-09-04 12:37:55,363 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2020-09-04 12:37:55,375 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 12:37:55,385 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 12:37:55,406 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 12:37:55,437 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 12:37:55,438 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 12:37:55,438 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 12:37:55,438 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 12:37:55,438 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 12:37:55,438 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 12:37:55,439 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 12:37:55,439 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 12:37:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-09-04 12:37:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-04 12:37:55,478 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:37:55,480 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] [2020-09-04 12:37:55,480 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:37:55,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:37:55,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1687671781, now seen corresponding path program 1 times [2020-09-04 12:37:55,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:37:55,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703558305] [2020-09-04 12:37:55,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:37:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:56,164 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:37:56,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:37:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:56,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:37:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:56,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:37:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:37:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:56,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:37:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:56,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-04 12:37:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:56,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-04 12:37:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:37:56,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703558305] [2020-09-04 12:37:56,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:37:56,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 12:37:56,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710180250] [2020-09-04 12:37:56,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 12:37:56,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:37:56,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 12:37:56,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 12:37:56,315 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2020-09-04 12:37:57,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:37:57,242 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2020-09-04 12:37:57,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 12:37:57,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-04 12:37:57,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:37:57,263 INFO L225 Difference]: With dead ends: 208 [2020-09-04 12:37:57,263 INFO L226 Difference]: Without dead ends: 114 [2020-09-04 12:37:57,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 12:37:57,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-04 12:37:57,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2020-09-04 12:37:57,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-04 12:37:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-09-04 12:37:57,355 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-09-04 12:37:57,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:37:57,356 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-09-04 12:37:57,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 12:37:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-09-04 12:37:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-04 12:37:57,359 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:37:57,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:37:57,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 12:37:57,360 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:37:57,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:37:57,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1046203216, now seen corresponding path program 1 times [2020-09-04 12:37:57,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:37:57,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760664888] [2020-09-04 12:37:57,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:37:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:57,744 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:37:57,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:37:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:57,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:37:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:57,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:37:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:57,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:37:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:57,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:37:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:57,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 12:37:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:57,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-04 12:37:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:37:57,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760664888] [2020-09-04 12:37:57,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:37:57,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 12:37:57,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358362090] [2020-09-04 12:37:57,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 12:37:57,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:37:57,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 12:37:57,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 12:37:57,827 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2020-09-04 12:37:58,216 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 12:37:58,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:37:58,700 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-09-04 12:37:58,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 12:37:58,700 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-04 12:37:58,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:37:58,704 INFO L225 Difference]: With dead ends: 137 [2020-09-04 12:37:58,705 INFO L226 Difference]: Without dead ends: 98 [2020-09-04 12:37:58,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 12:37:58,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-04 12:37:58,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-09-04 12:37:58,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-04 12:37:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-09-04 12:37:58,754 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-09-04 12:37:58,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:37:58,755 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-09-04 12:37:58,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 12:37:58,755 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-09-04 12:37:58,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-04 12:37:58,766 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:37:58,766 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:37:58,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 12:37:58,767 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:37:58,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:37:58,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1948536442, now seen corresponding path program 1 times [2020-09-04 12:37:58,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:37:58,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926185689] [2020-09-04 12:37:58,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:37:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:59,169 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:37:59,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:37:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:59,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:37:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:59,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:37:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:59,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:37:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:59,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:37:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:59,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-04 12:37:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:59,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-04 12:37:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:37:59,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:37:59,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926185689] [2020-09-04 12:37:59,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:37:59,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 12:37:59,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770756472] [2020-09-04 12:37:59,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 12:37:59,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:37:59,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 12:37:59,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-04 12:37:59,301 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states. [2020-09-04 12:37:59,715 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:38:00,050 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:38:00,375 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:38:00,669 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:38:01,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:38:01,481 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2020-09-04 12:38:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-04 12:38:01,482 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-09-04 12:38:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:38:01,484 INFO L225 Difference]: With dead ends: 150 [2020-09-04 12:38:01,484 INFO L226 Difference]: Without dead ends: 98 [2020-09-04 12:38:01,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 12:38:01,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-04 12:38:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-09-04 12:38:01,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-04 12:38:01,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-09-04 12:38:01,539 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-09-04 12:38:01,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:38:01,540 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-09-04 12:38:01,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 12:38:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-09-04 12:38:01,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-04 12:38:01,544 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:38:01,544 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] [2020-09-04 12:38:01,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 12:38:01,546 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:38:01,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:38:01,547 INFO L82 PathProgramCache]: Analyzing trace with hash -952018290, now seen corresponding path program 1 times [2020-09-04 12:38:01,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:38:01,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229014705] [2020-09-04 12:38:01,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:38:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:01,965 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:38:01,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:38:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:02,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:38:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:02,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:38:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:02,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:38:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:02,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:38:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:02,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-04 12:38:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:02,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-04 12:38:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:02,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-04 12:38:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:38:02,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229014705] [2020-09-04 12:38:02,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:38:02,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 12:38:02,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093894118] [2020-09-04 12:38:02,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 12:38:02,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:38:02,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 12:38:02,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-04 12:38:02,120 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 11 states. [2020-09-04 12:38:02,618 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:38:03,026 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:38:03,333 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:38:03,622 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:38:04,177 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 12:38:04,793 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:38:05,119 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 12:38:05,435 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 12:38:05,730 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 12:38:06,009 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:38:06,337 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 12:38:06,678 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 12:38:06,994 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 12:38:07,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:38:07,523 INFO L93 Difference]: Finished difference Result 234 states and 296 transitions. [2020-09-04 12:38:07,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-04 12:38:07,523 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-09-04 12:38:07,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:38:07,527 INFO L225 Difference]: With dead ends: 234 [2020-09-04 12:38:07,527 INFO L226 Difference]: Without dead ends: 182 [2020-09-04 12:38:07,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-09-04 12:38:07,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-09-04 12:38:07,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 165. [2020-09-04 12:38:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-09-04 12:38:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 193 transitions. [2020-09-04 12:38:07,581 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 193 transitions. Word has length 55 [2020-09-04 12:38:07,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:38:07,582 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 193 transitions. [2020-09-04 12:38:07,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 12:38:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 193 transitions. [2020-09-04 12:38:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-04 12:38:07,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:38:07,584 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] [2020-09-04 12:38:07,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 12:38:07,584 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:38:07,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:38:07,585 INFO L82 PathProgramCache]: Analyzing trace with hash -939297624, now seen corresponding path program 1 times [2020-09-04 12:38:07,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:38:07,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898307201] [2020-09-04 12:38:07,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:38:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:07,943 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:38:07,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:38:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:07,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:38:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:07,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:38:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:38:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:07,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:38:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:08,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-04 12:38:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:08,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-04 12:38:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:08,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-04 12:38:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:08,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 12:38:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 12:38:08,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898307201] [2020-09-04 12:38:08,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 12:38:08,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 12:38:08,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810654161] [2020-09-04 12:38:08,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 12:38:08,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:38:08,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 12:38:08,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 12:38:08,053 INFO L87 Difference]: Start difference. First operand 165 states and 193 transitions. Second operand 5 states. [2020-09-04 12:38:08,389 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:38:08,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:38:08,919 INFO L93 Difference]: Finished difference Result 263 states and 318 transitions. [2020-09-04 12:38:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 12:38:08,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-09-04 12:38:08,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:38:08,926 INFO L225 Difference]: With dead ends: 263 [2020-09-04 12:38:08,926 INFO L226 Difference]: Without dead ends: 161 [2020-09-04 12:38:08,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 12:38:08,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-04 12:38:08,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 148. [2020-09-04 12:38:08,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-09-04 12:38:08,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2020-09-04 12:38:08,968 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 59 [2020-09-04 12:38:08,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:38:08,969 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2020-09-04 12:38:08,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 12:38:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2020-09-04 12:38:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-04 12:38:08,970 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:38:08,971 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:38:08,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 12:38:08,971 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:38:08,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:38:08,972 INFO L82 PathProgramCache]: Analyzing trace with hash 147904096, now seen corresponding path program 1 times [2020-09-04 12:38:08,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:38:08,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166107589] [2020-09-04 12:38:08,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:38:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,338 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:38:09,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 12:38:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-04 12:38:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-04 12:38:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 12:38:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-04 12:38:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-04 12:38:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-04 12:38:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 12:38:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-04 12:38:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 12:38:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-04 12:38:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-04 12:38:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-04 12:38:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-04 12:38:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 12:38:09,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166107589] [2020-09-04 12:38:09,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181626302] [2020-09-04 12:38:09,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 12:38:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 12:38:09,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 15 conjunts are in the unsatisfiable core [2020-09-04 12:38:09,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 12:38:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 12:38:09,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 12:38:09,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2020-09-04 12:38:09,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129281002] [2020-09-04 12:38:09,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 12:38:09,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 12:38:09,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 12:38:09,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-04 12:38:09,860 INFO L87 Difference]: Start difference. First operand 148 states and 165 transitions. Second operand 10 states. [2020-09-04 12:38:10,580 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-09-04 12:38:11,219 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 12:38:11,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 12:38:11,794 INFO L93 Difference]: Finished difference Result 200 states and 232 transitions. [2020-09-04 12:38:11,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 12:38:11,795 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-09-04 12:38:11,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 12:38:11,796 INFO L225 Difference]: With dead ends: 200 [2020-09-04 12:38:11,796 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 12:38:11,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-04 12:38:11,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 12:38:11,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 12:38:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 12:38:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 12:38:11,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2020-09-04 12:38:11,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 12:38:11,800 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 12:38:11,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 12:38:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 12:38:11,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 12:38:12,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-09-04 12:38:12,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 12:38:12,395 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 133 [2020-09-04 12:38:12,802 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:13,209 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:13,595 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:13,976 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:14,140 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 12:38:14,518 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:14,895 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:15,368 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 226 [2020-09-04 12:38:15,833 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 226 [2020-09-04 12:38:16,088 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 12:38:16,461 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:16,930 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 226 [2020-09-04 12:38:17,389 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 226 [2020-09-04 12:38:17,656 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 12:38:17,813 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 12:38:18,188 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:18,561 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:18,881 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 133 [2020-09-04 12:38:19,020 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:38:19,408 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 12:38:19,796 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 12:38:20,180 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:20,553 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:20,710 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 12:38:21,084 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:21,244 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 12:38:21,620 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:21,997 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:22,371 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:22,528 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 12:38:22,903 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:23,060 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 12:38:23,434 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:23,808 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:24,123 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 133 [2020-09-04 12:38:24,497 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:24,870 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:25,243 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:25,548 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-04 12:38:25,710 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 12:38:26,083 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 12:38:26,398 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 133 [2020-09-04 12:38:26,886 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 131 [2020-09-04 12:38:27,509 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-09-04 12:38:27,634 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-04 12:38:28,182 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-09-04 12:38:28,721 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-09-04 12:38:28,892 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-09-04 12:38:29,442 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-09-04 12:38:30,113 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-09-04 12:38:30,655 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-09-04 12:38:31,291 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-09-04 12:38:32,130 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-09-04 12:38:32,460 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 12:38:33,061 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-09-04 12:38:33,636 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-09-04 12:38:34,479 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-09-04 12:38:34,641 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-09-04 12:38:34,764 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-04 12:38:35,575 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-09-04 12:38:35,710 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-09-04 12:38:35,855 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-04 12:38:35,975 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-04 12:38:36,608 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-09-04 12:38:37,435 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-09-04 12:38:37,607 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-09-04 12:38:37,786 INFO L268 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-09-04 12:38:37,786 INFO L268 CegarLoopResult]: For program point L152-1(lines 152 156) no Hoare annotation was computed. [2020-09-04 12:38:37,786 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-04 12:38:37,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 121 176) no Hoare annotation was computed. [2020-09-04 12:38:37,786 INFO L268 CegarLoopResult]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2020-09-04 12:38:37,786 INFO L268 CegarLoopResult]: For program point L168(lines 145 169) no Hoare annotation was computed. [2020-09-04 12:38:37,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2020-09-04 12:38:37,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2020-09-04 12:38:37,787 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-04 12:38:37,787 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-09-04 12:38:37,787 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2020-09-04 12:38:37,787 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-09-04 12:38:37,787 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-09-04 12:38:37,788 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2020-09-04 12:38:37,788 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-04 12:38:37,788 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2020-09-04 12:38:37,788 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2020-09-04 12:38:37,788 INFO L268 CegarLoopResult]: For program point L229(lines 202 230) no Hoare annotation was computed. [2020-09-04 12:38:37,789 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 852 858) the Hoare annotation is: true [2020-09-04 12:38:37,789 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 852 858) no Hoare annotation was computed. [2020-09-04 12:38:37,789 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 859 867) no Hoare annotation was computed. [2020-09-04 12:38:37,789 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 859 867) the Hoare annotation is: true [2020-09-04 12:38:37,789 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 859 867) no Hoare annotation was computed. [2020-09-04 12:38:37,789 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-09-04 12:38:37,790 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-09-04 12:38:37,790 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-09-04 12:38:37,790 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-09-04 12:38:37,790 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-09-04 12:38:37,790 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-09-04 12:38:37,790 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-09-04 12:38:37,791 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-09-04 12:38:37,791 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-09-04 12:38:37,791 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-09-04 12:38:37,791 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 524 546) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-04 12:38:37,791 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 524 546) no Hoare annotation was computed. [2020-09-04 12:38:37,791 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-04 12:38:37,792 INFO L264 CegarLoopResult]: At program point L536-1(line 536) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-04 12:38:37,792 INFO L268 CegarLoopResult]: For program point L534(lines 534 541) no Hoare annotation was computed. [2020-09-04 12:38:37,792 INFO L268 CegarLoopResult]: For program point L534-1(lines 534 541) no Hoare annotation was computed. [2020-09-04 12:38:37,792 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-04 12:38:37,792 INFO L264 CegarLoopResult]: At program point L531(line 531) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-04 12:38:37,792 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-04 12:38:37,793 INFO L264 CegarLoopResult]: At program point L530-1(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-04 12:38:37,793 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 524 546) no Hoare annotation was computed. [2020-09-04 12:38:37,793 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-09-04 12:38:37,793 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-09-04 12:38:37,793 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-09-04 12:38:37,793 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-04 12:38:37,794 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-04 12:38:37,794 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-09-04 12:38:37,794 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-04 12:38:37,794 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-04 12:38:37,794 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-09-04 12:38:37,794 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-04 12:38:37,794 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-04 12:38:37,795 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-09-04 12:38:37,795 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-04 12:38:37,795 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-04 12:38:37,795 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-09-04 12:38:37,795 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-04 12:38:37,795 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-04 12:38:37,795 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 588 595) no Hoare annotation was computed. [2020-09-04 12:38:37,795 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 588 595) no Hoare annotation was computed. [2020-09-04 12:38:37,796 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 588 595) no Hoare annotation was computed. [2020-09-04 12:38:37,796 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-09-04 12:38:37,796 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-09-04 12:38:37,796 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-09-04 12:38:37,796 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-09-04 12:38:37,796 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-09-04 12:38:37,796 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-09-04 12:38:37,797 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-09-04 12:38:37,797 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-09-04 12:38:37,797 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-09-04 12:38:37,797 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-09-04 12:38:37,797 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-09-04 12:38:37,797 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-09-04 12:38:37,797 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 845 851) no Hoare annotation was computed. [2020-09-04 12:38:37,797 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 845 851) the Hoare annotation is: true [2020-09-04 12:38:37,798 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2020-09-04 12:38:37,798 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2020-09-04 12:38:37,798 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 75 120) no Hoare annotation was computed. [2020-09-04 12:38:37,798 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 388 433) no Hoare annotation was computed. [2020-09-04 12:38:37,798 INFO L268 CegarLoopResult]: For program point L408(lines 408 415) no Hoare annotation was computed. [2020-09-04 12:38:37,798 INFO L268 CegarLoopResult]: For program point L402(lines 402 422) no Hoare annotation was computed. [2020-09-04 12:38:37,799 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2020-09-04 12:38:37,799 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2020-09-04 12:38:37,799 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2020-09-04 12:38:37,799 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-04 12:38:37,799 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2020-09-04 12:38:37,799 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2020-09-04 12:38:37,799 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 622 632) no Hoare annotation was computed. [2020-09-04 12:38:37,799 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-09-04 12:38:37,800 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-09-04 12:38:37,800 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-09-04 12:38:37,800 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-09-04 12:38:37,800 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 614 621) no Hoare annotation was computed. [2020-09-04 12:38:37,800 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-09-04 12:38:37,800 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-09-04 12:38:37,800 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 581 587) no Hoare annotation was computed. [2020-09-04 12:38:37,800 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 581 587) the Hoare annotation is: true [2020-09-04 12:38:37,801 INFO L264 CegarLoopResult]: At program point testENTRY(lines 687 752) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-04 12:38:37,801 INFO L268 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2020-09-04 12:38:37,801 INFO L264 CegarLoopResult]: At program point L735-2(lines 727 740) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-09-04 12:38:37,801 INFO L268 CegarLoopResult]: For program point L698(lines 697 744) no Hoare annotation was computed. [2020-09-04 12:38:37,801 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-09-04 12:38:37,801 INFO L268 CegarLoopResult]: For program point L727(lines 727 740) no Hoare annotation was computed. [2020-09-04 12:38:37,802 INFO L268 CegarLoopResult]: For program point testFINAL(lines 687 752) no Hoare annotation was computed. [2020-09-04 12:38:37,802 INFO L264 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-09-04 12:38:37,802 INFO L268 CegarLoopResult]: For program point L717(lines 717 723) no Hoare annotation was computed. [2020-09-04 12:38:37,802 INFO L268 CegarLoopResult]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2020-09-04 12:38:37,802 INFO L264 CegarLoopResult]: At program point L742(lines 697 744) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-09-04 12:38:37,802 INFO L264 CegarLoopResult]: At program point L709(line 709) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-09-04 12:38:37,803 INFO L268 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2020-09-04 12:38:37,803 INFO L268 CegarLoopResult]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2020-09-04 12:38:37,803 INFO L268 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2020-09-04 12:38:37,803 INFO L264 CegarLoopResult]: At program point L745(lines 696 746) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-04 12:38:37,803 INFO L268 CegarLoopResult]: For program point testEXIT(lines 687 752) no Hoare annotation was computed. [2020-09-04 12:38:37,803 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2020-09-04 12:38:37,803 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2020-09-04 12:38:37,804 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 342 387) no Hoare annotation was computed. [2020-09-04 12:38:37,804 INFO L268 CegarLoopResult]: For program point L362(lines 362 369) no Hoare annotation was computed. [2020-09-04 12:38:37,804 INFO L268 CegarLoopResult]: For program point L356(lines 356 376) no Hoare annotation was computed. [2020-09-04 12:38:37,804 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 376) no Hoare annotation was computed. [2020-09-04 12:38:37,804 INFO L268 CegarLoopResult]: For program point L809(lines 809 817) no Hoare annotation was computed. [2020-09-04 12:38:37,804 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 801 823) no Hoare annotation was computed. [2020-09-04 12:38:37,804 INFO L268 CegarLoopResult]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2020-09-04 12:38:37,804 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 801 823) no Hoare annotation was computed. [2020-09-04 12:38:37,805 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 801 823) no Hoare annotation was computed. [2020-09-04 12:38:37,805 INFO L268 CegarLoopResult]: For program point L289(lines 288 308) no Hoare annotation was computed. [2020-09-04 12:38:37,805 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-04 12:38:37,805 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-09-04 12:38:37,805 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2020-09-04 12:38:37,805 INFO L268 CegarLoopResult]: For program point L285(lines 285 326) no Hoare annotation was computed. [2020-09-04 12:38:37,805 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-04 12:38:37,805 INFO L268 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-09-04 12:38:37,806 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-09-04 12:38:37,806 INFO L268 CegarLoopResult]: For program point L327(lines 327 338) no Hoare annotation was computed. [2020-09-04 12:38:37,806 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2020-09-04 12:38:37,806 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-09-04 12:38:37,806 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2020-09-04 12:38:37,806 INFO L268 CegarLoopResult]: For program point L309(lines 287 310) no Hoare annotation was computed. [2020-09-04 12:38:37,806 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2020-09-04 12:38:37,806 INFO L268 CegarLoopResult]: For program point L268(lines 268 284) no Hoare annotation was computed. [2020-09-04 12:38:37,807 INFO L268 CegarLoopResult]: For program point L328(lines 328 335) no Hoare annotation was computed. [2020-09-04 12:38:37,807 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 835 844) no Hoare annotation was computed. [2020-09-04 12:38:37,807 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 835 844) no Hoare annotation was computed. [2020-09-04 12:38:37,807 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 835 844) no Hoare annotation was computed. [2020-09-04 12:38:37,807 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 12:38:37,808 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-04 12:38:37,808 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 12:38:37,808 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-09-04 12:38:37,808 INFO L268 CegarLoopResult]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2020-09-04 12:38:37,808 INFO L268 CegarLoopResult]: For program point L604(lines 604 610) no Hoare annotation was computed. [2020-09-04 12:38:37,808 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2020-09-04 12:38:37,808 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-09-04 12:38:37,809 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-09-04 12:38:37,809 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 597 613) no Hoare annotation was computed. [2020-09-04 12:38:37,809 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 824 832) the Hoare annotation is: true [2020-09-04 12:38:37,809 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 824 832) no Hoare annotation was computed. [2020-09-04 12:38:37,809 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 824 832) no Hoare annotation was computed. [2020-09-04 12:38:37,809 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-04 12:38:37,809 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-04 12:38:37,809 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-04 12:38:37,810 INFO L268 CegarLoopResult]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2020-09-04 12:38:37,810 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 780 791) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-04 12:38:37,810 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 780 791) no Hoare annotation was computed. [2020-09-04 12:38:37,810 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-09-04 12:38:37,810 INFO L264 CegarLoopResult]: At program point L568(lines 568 574) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-09-04 12:38:37,810 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1))) [2020-09-04 12:38:37,811 INFO L268 CegarLoopResult]: For program point L561(lines 560 579) no Hoare annotation was computed. [2020-09-04 12:38:37,811 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 557 580) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-09-04 12:38:37,811 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 557 580) no Hoare annotation was computed. [2020-09-04 12:38:37,811 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 557 580) no Hoare annotation was computed. [2020-09-04 12:38:37,811 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-09-04 12:38:37,811 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-09-04 12:38:37,811 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-09-04 12:38:37,812 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-04 12:38:37,812 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-09-04 12:38:37,812 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-09-04 12:38:37,812 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-04 12:38:37,812 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-09-04 12:38:37,812 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-09-04 12:38:37,812 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-09-04 12:38:37,813 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 792 800) no Hoare annotation was computed. [2020-09-04 12:38:37,813 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 792 800) no Hoare annotation was computed. [2020-09-04 12:38:37,813 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 792 800) no Hoare annotation was computed. [2020-09-04 12:38:37,813 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 756 767) the Hoare annotation is: true [2020-09-04 12:38:37,813 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 756 767) no Hoare annotation was computed. [2020-09-04 12:38:37,813 INFO L268 CegarLoopResult]: For program point L760-1(lines 756 767) no Hoare annotation was computed. [2020-09-04 12:38:37,813 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-09-04 12:38:37,813 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-09-04 12:38:37,814 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 12:38:37,814 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-04 12:38:37,814 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 12:38:37,814 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 12:38:37,814 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 678 685) no Hoare annotation was computed. [2020-09-04 12:38:37,814 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 678 685) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (= 1 ~systemActive~0) (not (<= 2 ~waterLevel~0))))) [2020-09-04 12:38:37,815 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 678 685) no Hoare annotation was computed. [2020-09-04 12:38:37,815 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 768 779) no Hoare annotation was computed. [2020-09-04 12:38:37,815 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 768 779) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-09-04 12:38:37,815 INFO L268 CegarLoopResult]: For program point L772-1(lines 768 779) no Hoare annotation was computed. [2020-09-04 12:38:37,815 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2020-09-04 12:38:37,815 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-09-04 12:38:37,816 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2020-09-04 12:38:37,816 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2020-09-04 12:38:37,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 12:38:37 BoogieIcfgContainer [2020-09-04 12:38:37,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 12:38:37,837 INFO L168 Benchmark]: Toolchain (without parser) took 44364.16 ms. Allocated memory was 143.1 MB in the beginning and 540.5 MB in the end (delta: 397.4 MB). Free memory was 106.0 MB in the beginning and 427.4 MB in the end (delta: -321.3 MB). Peak memory consumption was 400.0 MB. Max. memory is 7.1 GB. [2020-09-04 12:38:37,838 INFO L168 Benchmark]: CDTParser took 1.40 ms. Allocated memory is still 143.1 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 12:38:37,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.53 ms. Allocated memory was 143.1 MB in the beginning and 206.0 MB in the end (delta: 62.9 MB). Free memory was 105.6 MB in the beginning and 176.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-09-04 12:38:37,840 INFO L168 Benchmark]: Boogie Preprocessor took 95.03 ms. Allocated memory is still 206.0 MB. Free memory was 176.6 MB in the beginning and 172.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-09-04 12:38:37,840 INFO L168 Benchmark]: RCFGBuilder took 1126.55 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 172.7 MB in the beginning and 193.4 MB in the end (delta: -20.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2020-09-04 12:38:37,841 INFO L168 Benchmark]: TraceAbstraction took 42479.97 ms. Allocated memory was 232.8 MB in the beginning and 540.5 MB in the end (delta: 307.8 MB). Free memory was 193.4 MB in the beginning and 427.4 MB in the end (delta: -234.0 MB). Peak memory consumption was 397.8 MB. Max. memory is 7.1 GB. [2020-09-04 12:38:37,844 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40 ms. Allocated memory is still 143.1 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.53 ms. Allocated memory was 143.1 MB in the beginning and 206.0 MB in the end (delta: 62.9 MB). Free memory was 105.6 MB in the beginning and 176.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.03 ms. Allocated memory is still 206.0 MB. Free memory was 176.6 MB in the beginning and 172.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1126.55 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 172.7 MB in the beginning and 193.4 MB in the end (delta: -20.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42479.97 ms. Allocated memory was 232.8 MB in the beginning and 540.5 MB in the end (delta: 307.8 MB). Free memory was 193.4 MB in the beginning and 427.4 MB in the end (delta: -234.0 MB). Peak memory consumption was 397.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((\old(waterLevel) == waterLevel && 1 == systemActive) && splverifierCounter == 0)) || !(pumpRunning == 0)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 440 SDtfs, 738 SDslu, 352 SDs, 0 SdLazy, 1601 SolverSat, 484 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 201 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred 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, 6 MinimizatonAttempts, 103 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 199 PreInvPairs, 222 NumberOfFragments, 858 HoareAnnotationTreeSize, 199 FomulaSimplifications, 34387 FormulaSimplificationTreeSizeReduction, 14.8s HoareSimplificationTime, 42 FomulaSimplificationsInter, 9215 FormulaSimplificationTreeSizeReductionInter, 10.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 120165 SizeOfPredicates, 3 NumberOfNonLiveVariables, 730 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 45/54 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...