/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:49:03,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:49:03,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:49:03,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:49:03,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:49:03,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:49:03,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:49:03,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:49:03,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:49:03,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:49:03,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:49:03,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:49:03,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:49:03,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:49:03,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:49:03,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:49:03,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:49:03,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:49:03,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:49:03,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:49:03,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:49:03,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:49:03,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:49:03,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:49:03,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:49:03,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:49:03,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:49:03,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:49:03,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:49:03,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:49:03,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:49:03,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:49:03,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:49:03,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:49:03,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:49:03,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:49:03,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:49:03,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:49:03,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:49:03,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:49:03,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:49:03,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:49:03,675 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:49:03,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:49:03,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:49:03,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:49:03,677 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:49:03,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:49:03,677 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:49:03,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:49:03,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:49:03,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:49:03,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:49:03,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:49:03,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:49:03,680 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:49:03,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:49:03,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:49:03,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:49:03,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:49:03,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:49:03,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:49:03,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:49:03,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:49:03,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:49:03,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:49:03,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:49:03,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:49:03,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:49:03,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:49:03,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:49:03,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:49:03,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:49:04,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:49:04,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:49:04,019 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:49:04,019 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:49:04,021 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-07-19 22:49:04,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e05599842/dc9510e532dd4a5c8ffa494d0d5fedac/FLAG6e4df6d10 [2020-07-19 22:49:04,608 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:49:04,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-07-19 22:49:04,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e05599842/dc9510e532dd4a5c8ffa494d0d5fedac/FLAG6e4df6d10 [2020-07-19 22:49:04,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e05599842/dc9510e532dd4a5c8ffa494d0d5fedac [2020-07-19 22:49:04,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:49:04,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:49:04,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:49:04,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:49:04,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:49:04,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:49:04" (1/1) ... [2020-07-19 22:49:04,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1553bfc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:04, skipping insertion in model container [2020-07-19 22:49:04,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:49:04" (1/1) ... [2020-07-19 22:49:04,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:49:05,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:49:05,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:49:05,630 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:49:05,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:49:05,739 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:49:05,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:05 WrapperNode [2020-07-19 22:49:05,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:49:05,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:49:05,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:49:05,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:49:05,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:05" (1/1) ... [2020-07-19 22:49:05,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:05" (1/1) ... [2020-07-19 22:49:05,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:05" (1/1) ... [2020-07-19 22:49:05,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:05" (1/1) ... [2020-07-19 22:49:05,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:05" (1/1) ... [2020-07-19 22:49:05,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:05" (1/1) ... [2020-07-19 22:49:05,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:05" (1/1) ... [2020-07-19 22:49:05,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:49:05,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:49:05,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:49:05,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:49:05,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:49:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:49:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:49:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:49:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:49:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:49:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:49:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:49:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:49:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:49:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:49:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:49:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:49:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:49:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:49:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:49:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-19 22:49:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-19 22:49:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:49:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:49:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:49:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:49:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:49:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:49:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:49:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:49:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:49:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:49:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:49:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:49:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:49:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:49:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:49:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:49:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:49:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:49:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:49:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:49:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:49:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:49:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:49:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:49:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:49:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:49:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:49:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:49:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:49:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:49:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:49:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:49:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:49:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:49:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:49:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:49:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:49:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:49:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:49:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:49:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:49:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:49:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:49:05,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:49:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:49:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:49:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:49:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:49:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:49:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:49:05,935 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:49:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:49:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:49:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:49:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-19 22:49:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:49:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:49:05,936 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:49:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:49:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:49:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:49:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:49:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:49:05,937 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:49:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-19 22:49:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:49:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:49:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:49:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:49:05,938 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:49:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:49:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:49:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:49:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:49:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:49:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:49:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:49:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:49:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:49:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:49:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:49:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:49:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:49:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:49:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:49:06,961 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:49:06,961 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:49:06,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:06 BoogieIcfgContainer [2020-07-19 22:49:06,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:49:06,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:49:06,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:49:06,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:49:06,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:49:04" (1/3) ... [2020-07-19 22:49:06,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1499b0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:49:06, skipping insertion in model container [2020-07-19 22:49:06,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:05" (2/3) ... [2020-07-19 22:49:06,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1499b0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:49:06, skipping insertion in model container [2020-07-19 22:49:06,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:06" (3/3) ... [2020-07-19 22:49:06,975 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2020-07-19 22:49:06,985 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:49:06,993 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:49:07,007 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:49:07,032 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:49:07,032 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:49:07,033 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:49:07,033 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:49:07,033 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:49:07,033 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:49:07,033 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:49:07,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:49:07,056 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-19 22:49:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 22:49:07,066 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:07,068 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] [2020-07-19 22:49:07,068 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:07,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:07,074 INFO L82 PathProgramCache]: Analyzing trace with hash -519940638, now seen corresponding path program 1 times [2020-07-19 22:49:07,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:07,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453773182] [2020-07-19 22:49:07,084 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:07,780 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:07,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453773182] [2020-07-19 22:49:07,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:07,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:49:07,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692984899] [2020-07-19 22:49:07,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:49:07,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:07,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:49:07,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:49:07,900 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 4 states. [2020-07-19 22:49:09,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:09,180 INFO L93 Difference]: Finished difference Result 354 states and 460 transitions. [2020-07-19 22:49:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:49:09,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-19 22:49:09,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:09,197 INFO L225 Difference]: With dead ends: 354 [2020-07-19 22:49:09,197 INFO L226 Difference]: Without dead ends: 196 [2020-07-19 22:49:09,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:49:09,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-19 22:49:09,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 159. [2020-07-19 22:49:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-19 22:49:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-07-19 22:49:09,336 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2020-07-19 22:49:09,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:09,337 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-07-19 22:49:09,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:49:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-07-19 22:49:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:49:09,346 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:09,347 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] [2020-07-19 22:49:09,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:49:09,347 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:09,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:09,348 INFO L82 PathProgramCache]: Analyzing trace with hash -183354494, now seen corresponding path program 1 times [2020-07-19 22:49:09,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:09,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938907049] [2020-07-19 22:49:09,349 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:09,735 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:09,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938907049] [2020-07-19 22:49:09,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:09,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:49:09,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970236524] [2020-07-19 22:49:09,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:49:09,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:09,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:49:09,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:49:09,796 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 5 states. [2020-07-19 22:49:10,307 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:11,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:11,420 INFO L93 Difference]: Finished difference Result 295 states and 367 transitions. [2020-07-19 22:49:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:49:11,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-19 22:49:11,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:11,428 INFO L225 Difference]: With dead ends: 295 [2020-07-19 22:49:11,428 INFO L226 Difference]: Without dead ends: 186 [2020-07-19 22:49:11,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:49:11,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-19 22:49:11,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-07-19 22:49:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-19 22:49:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-07-19 22:49:11,475 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2020-07-19 22:49:11,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:11,475 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-07-19 22:49:11,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:49:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-07-19 22:49:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 22:49:11,478 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:11,478 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] [2020-07-19 22:49:11,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:49:11,478 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:11,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:11,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1707012514, now seen corresponding path program 1 times [2020-07-19 22:49:11,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:11,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824299724] [2020-07-19 22:49:11,480 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:11,792 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:11,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824299724] [2020-07-19 22:49:11,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:11,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:49:11,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457971575] [2020-07-19 22:49:11,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:49:11,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:11,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:49:11,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:49:11,873 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 9 states. [2020-07-19 22:49:12,285 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:49:12,599 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:49:12,845 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:49:13,063 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:49:14,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:14,528 INFO L93 Difference]: Finished difference Result 308 states and 386 transitions. [2020-07-19 22:49:14,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:49:14,529 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-19 22:49:14,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:14,533 INFO L225 Difference]: With dead ends: 308 [2020-07-19 22:49:14,533 INFO L226 Difference]: Without dead ends: 186 [2020-07-19 22:49:14,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:49:14,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-19 22:49:14,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-07-19 22:49:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-19 22:49:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2020-07-19 22:49:14,573 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2020-07-19 22:49:14,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:14,574 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2020-07-19 22:49:14,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:49:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2020-07-19 22:49:14,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-19 22:49:14,577 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:14,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:14,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:49:14,578 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:14,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:14,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1819519357, now seen corresponding path program 1 times [2020-07-19 22:49:14,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:14,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283448285] [2020-07-19 22:49:14,579 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,852 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:14,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283448285] [2020-07-19 22:49:14,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:14,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:49:14,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359077013] [2020-07-19 22:49:14,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:49:14,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:14,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:49:14,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:49:14,991 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 7 states. [2020-07-19 22:49:15,368 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:49:16,569 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:17,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:17,550 INFO L93 Difference]: Finished difference Result 418 states and 526 transitions. [2020-07-19 22:49:17,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:49:17,554 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2020-07-19 22:49:17,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:17,557 INFO L225 Difference]: With dead ends: 418 [2020-07-19 22:49:17,558 INFO L226 Difference]: Without dead ends: 296 [2020-07-19 22:49:17,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:49:17,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-07-19 22:49:17,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 247. [2020-07-19 22:49:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-07-19 22:49:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2020-07-19 22:49:17,611 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 75 [2020-07-19 22:49:17,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:17,611 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2020-07-19 22:49:17,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:49:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2020-07-19 22:49:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-19 22:49:17,613 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:17,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:17,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:49:17,614 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:17,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:17,614 INFO L82 PathProgramCache]: Analyzing trace with hash 948942276, now seen corresponding path program 1 times [2020-07-19 22:49:17,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:17,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938087623] [2020-07-19 22:49:17,615 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:17,908 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:18,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938087623] [2020-07-19 22:49:18,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:18,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:49:18,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525221815] [2020-07-19 22:49:18,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:49:18,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:18,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:49:18,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:49:18,073 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 9 states. [2020-07-19 22:49:18,470 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:49:19,613 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:49:19,968 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:49:20,664 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:49:20,894 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:49:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:22,346 INFO L93 Difference]: Finished difference Result 737 states and 912 transitions. [2020-07-19 22:49:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-19 22:49:22,350 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-07-19 22:49:22,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:22,355 INFO L225 Difference]: With dead ends: 737 [2020-07-19 22:49:22,355 INFO L226 Difference]: Without dead ends: 518 [2020-07-19 22:49:22,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:49:22,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-07-19 22:49:22,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 442. [2020-07-19 22:49:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-19 22:49:22,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 504 transitions. [2020-07-19 22:49:22,453 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 504 transitions. Word has length 89 [2020-07-19 22:49:22,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:22,453 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 504 transitions. [2020-07-19 22:49:22,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:49:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 504 transitions. [2020-07-19 22:49:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-19 22:49:22,455 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:22,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:22,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:49:22,456 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:22,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:22,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1944159016, now seen corresponding path program 1 times [2020-07-19 22:49:22,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:22,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268066990] [2020-07-19 22:49:22,457 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,741 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:22,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268066990] [2020-07-19 22:49:22,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:22,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 22:49:22,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815116024] [2020-07-19 22:49:22,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 22:49:22,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:22,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 22:49:22,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:49:22,899 INFO L87 Difference]: Start difference. First operand 442 states and 504 transitions. Second operand 10 states. [2020-07-19 22:49:23,332 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:49:24,659 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:49:25,902 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:49:26,176 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:49:26,449 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:49:26,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:26,889 INFO L93 Difference]: Finished difference Result 970 states and 1183 transitions. [2020-07-19 22:49:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-19 22:49:26,890 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2020-07-19 22:49:26,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:26,894 INFO L225 Difference]: With dead ends: 970 [2020-07-19 22:49:26,895 INFO L226 Difference]: Without dead ends: 556 [2020-07-19 22:49:26,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-19 22:49:26,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2020-07-19 22:49:26,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 441. [2020-07-19 22:49:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-19 22:49:26,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 501 transitions. [2020-07-19 22:49:26,991 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 501 transitions. Word has length 93 [2020-07-19 22:49:26,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:26,992 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 501 transitions. [2020-07-19 22:49:26,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 22:49:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 501 transitions. [2020-07-19 22:49:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-19 22:49:26,994 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:26,994 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:26,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:49:26,995 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:26,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:26,995 INFO L82 PathProgramCache]: Analyzing trace with hash -412136482, now seen corresponding path program 1 times [2020-07-19 22:49:26,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:26,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359226272] [2020-07-19 22:49:26,996 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,255 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:49:27,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359226272] [2020-07-19 22:49:27,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:27,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 22:49:27,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830964091] [2020-07-19 22:49:27,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 22:49:27,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:27,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 22:49:27,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:49:27,397 INFO L87 Difference]: Start difference. First operand 441 states and 501 transitions. Second operand 10 states. [2020-07-19 22:49:28,390 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:49:28,647 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:49:28,891 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:29,126 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:30,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:30,492 INFO L93 Difference]: Finished difference Result 977 states and 1216 transitions. [2020-07-19 22:49:30,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:49:30,495 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2020-07-19 22:49:30,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:30,502 INFO L225 Difference]: With dead ends: 977 [2020-07-19 22:49:30,502 INFO L226 Difference]: Without dead ends: 564 [2020-07-19 22:49:30,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:49:30,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-19 22:49:30,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 451. [2020-07-19 22:49:30,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-07-19 22:49:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 511 transitions. [2020-07-19 22:49:30,627 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 511 transitions. Word has length 109 [2020-07-19 22:49:30,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:30,627 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 511 transitions. [2020-07-19 22:49:30,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 22:49:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 511 transitions. [2020-07-19 22:49:30,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-19 22:49:30,629 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:30,630 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:30,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:49:30,630 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:30,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:30,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1527025564, now seen corresponding path program 1 times [2020-07-19 22:49:30,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:30,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166590274] [2020-07-19 22:49:30,631 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,894 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:49:31,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166590274] [2020-07-19 22:49:31,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:31,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:49:31,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077297638] [2020-07-19 22:49:31,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:49:31,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:31,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:49:31,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:49:31,068 INFO L87 Difference]: Start difference. First operand 451 states and 511 transitions. Second operand 12 states. [2020-07-19 22:49:31,666 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:31,920 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:32,178 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:32,886 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:33,149 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:33,402 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:35,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:35,068 INFO L93 Difference]: Finished difference Result 997 states and 1238 transitions. [2020-07-19 22:49:35,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:49:35,069 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2020-07-19 22:49:35,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:35,073 INFO L225 Difference]: With dead ends: 997 [2020-07-19 22:49:35,073 INFO L226 Difference]: Without dead ends: 574 [2020-07-19 22:49:35,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:49:35,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-07-19 22:49:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 459. [2020-07-19 22:49:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-07-19 22:49:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2020-07-19 22:49:35,172 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 109 [2020-07-19 22:49:35,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:35,172 INFO L479 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2020-07-19 22:49:35,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:49:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2020-07-19 22:49:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-19 22:49:35,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:35,175 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:35,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:49:35,175 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:35,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:35,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1998771717, now seen corresponding path program 1 times [2020-07-19 22:49:35,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:35,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919548472] [2020-07-19 22:49:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,427 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:49:35,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919548472] [2020-07-19 22:49:35,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:35,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:49:35,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987077204] [2020-07-19 22:49:35,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:49:35,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:35,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:49:35,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:49:35,597 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand 8 states. [2020-07-19 22:49:35,980 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:49:36,730 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:49:39,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:39,832 INFO L93 Difference]: Finished difference Result 1365 states and 1751 transitions. [2020-07-19 22:49:39,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-19 22:49:39,833 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2020-07-19 22:49:39,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:39,839 INFO L225 Difference]: With dead ends: 1365 [2020-07-19 22:49:39,839 INFO L226 Difference]: Without dead ends: 934 [2020-07-19 22:49:39,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:49:39,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-07-19 22:49:39,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 789. [2020-07-19 22:49:39,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-07-19 22:49:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 921 transitions. [2020-07-19 22:49:39,965 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 921 transitions. Word has length 109 [2020-07-19 22:49:39,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:39,966 INFO L479 AbstractCegarLoop]: Abstraction has 789 states and 921 transitions. [2020-07-19 22:49:39,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:49:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 921 transitions. [2020-07-19 22:49:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-19 22:49:39,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:39,968 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:39,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 22:49:39,969 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:39,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:39,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1262789055, now seen corresponding path program 1 times [2020-07-19 22:49:39,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:39,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611614023] [2020-07-19 22:49:39,970 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,282 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:49:40,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611614023] [2020-07-19 22:49:40,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172662190] [2020-07-19 22:49:40,703 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1b78528b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:49:41,331 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1b78528b issued 4 check-sat command(s) [2020-07-19 22:49:41,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:49:41,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 22:49:41,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:49:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:41,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:49:41,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-19 22:49:41,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094919326] [2020-07-19 22:49:41,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:49:41,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:41,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:49:41,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:49:41,543 INFO L87 Difference]: Start difference. First operand 789 states and 921 transitions. Second operand 8 states. [2020-07-19 22:49:42,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:42,059 INFO L93 Difference]: Finished difference Result 1513 states and 1777 transitions. [2020-07-19 22:49:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:49:42,060 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-07-19 22:49:42,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:42,064 INFO L225 Difference]: With dead ends: 1513 [2020-07-19 22:49:42,065 INFO L226 Difference]: Without dead ends: 752 [2020-07-19 22:49:42,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 139 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:49:42,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-07-19 22:49:42,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2020-07-19 22:49:42,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-07-19 22:49:42,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 862 transitions. [2020-07-19 22:49:42,243 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 862 transitions. Word has length 113 [2020-07-19 22:49:42,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:42,244 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 862 transitions. [2020-07-19 22:49:42,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:49:42,244 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 862 transitions. [2020-07-19 22:49:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-19 22:49:42,248 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:42,249 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:42,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:49:42,464 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:42,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:42,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1271659967, now seen corresponding path program 1 times [2020-07-19 22:49:42,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:42,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909237670] [2020-07-19 22:49:42,466 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cdcbe2a [2020-07-19 22:49:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,777 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,080 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-19 22:49:43,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909237670] [2020-07-19 22:49:43,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226236098] [2020-07-19 22:49:43,081 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e68d006 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:49:43,590 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e68d006 issued 4 check-sat command(s) [2020-07-19 22:49:43,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:49:43,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 22:49:43,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:49:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 22:49:43,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:49:43,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-19 22:49:43,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619323986] [2020-07-19 22:49:43,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:49:43,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:43,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:49:43,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:49:43,823 INFO L87 Difference]: Start difference. First operand 752 states and 862 transitions. Second operand 8 states. [2020-07-19 22:49:44,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:44,226 INFO L93 Difference]: Finished difference Result 1262 states and 1468 transitions. [2020-07-19 22:49:44,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:49:44,227 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2020-07-19 22:49:44,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:44,229 INFO L225 Difference]: With dead ends: 1262 [2020-07-19 22:49:44,230 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:49:44,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:49:44,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:49:44,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:49:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:49:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:49:44,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2020-07-19 22:49:44,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:44,236 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:49:44,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:49:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:49:44,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:49:44,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:49:44,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:49:45,688 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-19 22:49:46,770 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-19 22:49:47,753 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 262 [2020-07-19 22:49:48,767 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 253 [2020-07-19 22:49:49,851 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 261 [2020-07-19 22:49:51,830 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-07-19 22:49:52,952 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 183 DAG size of output: 27 [2020-07-19 22:49:53,121 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 22:49:53,292 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-19 22:49:53,515 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-07-19 22:49:53,698 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:49:54,796 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 183 DAG size of output: 27 [2020-07-19 22:49:55,036 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-07-19 22:49:55,207 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-19 22:49:55,914 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-19 22:49:56,154 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-07-19 22:49:56,715 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-07-19 22:49:57,243 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-07-19 22:49:58,620 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 212 DAG size of output: 24 [2020-07-19 22:49:59,531 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 26 [2020-07-19 22:50:00,087 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 23 [2020-07-19 22:50:00,564 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 15 [2020-07-19 22:50:00,774 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:50:00,975 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-19 22:50:01,172 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:50:02,377 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 200 DAG size of output: 27 [2020-07-19 22:50:02,557 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:50:03,085 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2020-07-19 22:50:03,276 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 22:50:03,804 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 18 [2020-07-19 22:50:04,012 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-07-19 22:50:04,582 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-19 22:50:05,184 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-07-19 22:50:05,415 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-07-19 22:50:05,598 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-19 22:50:06,280 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-07-19 22:50:07,000 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-07-19 22:50:07,568 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-07-19 22:50:08,971 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 211 DAG size of output: 24 [2020-07-19 22:50:09,500 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 22 [2020-07-19 22:50:09,684 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:50:09,848 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 22:50:10,032 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:50:10,618 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-19 22:50:10,795 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-19 22:50:10,977 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2020-07-19 22:50:11,149 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-19 22:50:11,332 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-19 22:50:11,859 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-19 22:50:12,405 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-19 22:50:12,579 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-19 22:50:13,680 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 166 DAG size of output: 34 [2020-07-19 22:50:14,037 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 19 [2020-07-19 22:50:14,520 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 17 [2020-07-19 22:50:15,037 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-19 22:50:15,228 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 22:50:15,419 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-19 22:50:16,070 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-19 22:50:16,630 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-19 22:50:16,635 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-19 22:50:16,635 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-19 22:50:16,635 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 22:50:16,635 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-19 22:50:16,635 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-19 22:50:16,635 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-19 22:50:16,635 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-19 22:50:16,636 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-19 22:50:16,636 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 22:50:16,636 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-19 22:50:16,636 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-19 22:50:16,636 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-19 22:50:16,636 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-19 22:50:16,636 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 22:50:16,636 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-19 22:50:16,636 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-19 22:50:16,636 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-19 22:50:16,637 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-19 22:50:16,637 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2020-07-19 22:50:16,637 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2020-07-19 22:50:16,637 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2020-07-19 22:50:16,637 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2020-07-19 22:50:16,637 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2020-07-19 22:50:16,638 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:50:16,638 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-19 22:50:16,638 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:50:16,638 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:50:16,638 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-19 22:50:16,638 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-19 22:50:16,639 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 22:50:16,639 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:50:16,639 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:50:16,639 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:50:16,639 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-19 22:50:16,639 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-19 22:50:16,639 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 22:50:16,640 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-19 22:50:16,640 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-19 22:50:16,640 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-19 22:50:16,640 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-19 22:50:16,640 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-19 22:50:16,640 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-19 22:50:16,640 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 22:50:16,640 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 22:50:16,641 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-19 22:50:16,641 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-19 22:50:16,641 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 22:50:16,641 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-19 22:50:16,641 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-19 22:50:16,641 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 22:50:16,641 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-19 22:50:16,641 INFO L264 CegarLoopResult]: At program point L855(line 855) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-19 22:50:16,641 INFO L268 CegarLoopResult]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2020-07-19 22:50:16,642 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:50:16,642 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 22:50:16,642 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:50:16,642 INFO L268 CegarLoopResult]: For program point L844(lines 844 852) no Hoare annotation was computed. [2020-07-19 22:50:16,642 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2020-07-19 22:50:16,642 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:50:16,643 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-07-19 22:50:16,643 INFO L268 CegarLoopResult]: For program point L840(lines 840 857) no Hoare annotation was computed. [2020-07-19 22:50:16,643 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2020-07-19 22:50:16,643 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2020-07-19 22:50:16,643 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2020-07-19 22:50:16,643 INFO L268 CegarLoopResult]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2020-07-19 22:50:16,643 INFO L271 CegarLoopResult]: At program point L1002(line 1002) the Hoare annotation is: true [2020-07-19 22:50:16,643 INFO L268 CegarLoopResult]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2020-07-19 22:50:16,644 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2020-07-19 22:50:16,644 INFO L268 CegarLoopResult]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2020-07-19 22:50:16,644 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2020-07-19 22:50:16,644 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2020-07-19 22:50:16,644 INFO L268 CegarLoopResult]: For program point L959(lines 959 967) no Hoare annotation was computed. [2020-07-19 22:50:16,644 INFO L268 CegarLoopResult]: For program point L959-2(lines 959 967) no Hoare annotation was computed. [2020-07-19 22:50:16,644 INFO L268 CegarLoopResult]: For program point L947(lines 947 955) no Hoare annotation was computed. [2020-07-19 22:50:16,644 INFO L268 CegarLoopResult]: For program point L947-2(lines 947 955) no Hoare annotation was computed. [2020-07-19 22:50:16,644 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 940 975) no Hoare annotation was computed. [2020-07-19 22:50:16,645 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-07-19 22:50:16,645 INFO L268 CegarLoopResult]: For program point L970-1(line 970) no Hoare annotation was computed. [2020-07-19 22:50:16,645 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 940 975) no Hoare annotation was computed. [2020-07-19 22:50:16,645 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 940 975) no Hoare annotation was computed. [2020-07-19 22:50:16,645 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2020-07-19 22:50:16,645 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2020-07-19 22:50:16,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-19 22:50:16,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-19 22:50:16,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-19 22:50:16,646 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-19 22:50:16,646 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-19 22:50:16,646 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-19 22:50:16,646 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-19 22:50:16,646 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-19 22:50:16,646 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-19 22:50:16,646 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:50:16,647 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 22:50:16,647 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-19 22:50:16,647 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-19 22:50:16,647 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2020-07-19 22:50:16,647 INFO L271 CegarLoopResult]: At program point L925(line 925) the Hoare annotation is: true [2020-07-19 22:50:16,647 INFO L268 CegarLoopResult]: For program point L925-1(line 925) no Hoare annotation was computed. [2020-07-19 22:50:16,647 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2020-07-19 22:50:16,647 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2020-07-19 22:50:16,647 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-19 22:50:16,648 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2020-07-19 22:50:16,648 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2020-07-19 22:50:16,648 INFO L268 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-07-19 22:50:16,648 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2020-07-19 22:50:16,648 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2020-07-19 22:50:16,648 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2020-07-19 22:50:16,648 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2020-07-19 22:50:16,648 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:50:16,648 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-19 22:50:16,649 INFO L268 CegarLoopResult]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2020-07-19 22:50:16,649 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-19 22:50:16,649 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 (and .cse0 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8)) .cse2) (or .cse4 .cse1 .cse2))) [2020-07-19 22:50:16,649 INFO L268 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-07-19 22:50:16,649 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-19 22:50:16,649 INFO L268 CegarLoopResult]: For program point L868-1(line 868) no Hoare annotation was computed. [2020-07-19 22:50:16,649 INFO L268 CegarLoopResult]: For program point L866(lines 866 883) no Hoare annotation was computed. [2020-07-19 22:50:16,649 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2020-07-19 22:50:16,650 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2020-07-19 22:50:16,650 INFO L264 CegarLoopResult]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-19 22:50:16,650 INFO L264 CegarLoopResult]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:50:16,650 INFO L268 CegarLoopResult]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2020-07-19 22:50:16,650 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-07-19 22:50:16,650 INFO L264 CegarLoopResult]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-19 22:50:16,650 INFO L268 CegarLoopResult]: For program point L717(lines 716 763) no Hoare annotation was computed. [2020-07-19 22:50:16,651 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-19 22:50:16,651 INFO L268 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-07-19 22:50:16,651 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:50:16,651 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-07-19 22:50:16,651 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2020-07-19 22:50:16,651 INFO L264 CegarLoopResult]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:50:16,651 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:50:16,652 INFO L268 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2020-07-19 22:50:16,652 INFO L268 CegarLoopResult]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2020-07-19 22:50:16,652 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-07-19 22:50:16,652 INFO L268 CegarLoopResult]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2020-07-19 22:50:16,652 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-19 22:50:16,652 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-19 22:50:16,652 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-19 22:50:16,652 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-19 22:50:16,652 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-19 22:50:16,653 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-19 22:50:16,653 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:50:16,653 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2020-07-19 22:50:16,653 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2020-07-19 22:50:16,653 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2020-07-19 22:50:16,653 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2020-07-19 22:50:16,653 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2020-07-19 22:50:16,653 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-07-19 22:50:16,654 INFO L268 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2020-07-19 22:50:16,654 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0) (or (not (= 0 ~methaneLevelCritical~0)) .cse0))) [2020-07-19 22:50:16,654 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-19 22:50:16,654 INFO L268 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2020-07-19 22:50:16,654 INFO L268 CegarLoopResult]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2020-07-19 22:50:16,654 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-07-19 22:50:16,654 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-07-19 22:50:16,655 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-07-19 22:50:16,655 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2020-07-19 22:50:16,655 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-19 22:50:16,655 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= 1 ~systemActive~0))) [2020-07-19 22:50:16,655 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-07-19 22:50:16,655 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-07-19 22:50:16,655 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-07-19 22:50:16,655 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-07-19 22:50:16,656 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2020-07-19 22:50:16,656 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2020-07-19 22:50:16,656 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 614 636) no Hoare annotation was computed. [2020-07-19 22:50:16,656 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-19 22:50:16,656 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-19 22:50:16,656 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-19 22:50:16,656 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-19 22:50:16,656 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-19 22:50:16,656 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-19 22:50:16,657 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-19 22:50:16,657 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-19 22:50:16,657 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-19 22:50:16,657 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-19 22:50:16,657 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-19 22:50:16,657 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-19 22:50:16,657 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-19 22:50:16,657 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-19 22:50:16,657 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-19 22:50:16,658 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-19 22:50:16,658 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 671 680) no Hoare annotation was computed. [2020-07-19 22:50:16,658 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 671 680) no Hoare annotation was computed. [2020-07-19 22:50:16,658 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 671 680) no Hoare annotation was computed. [2020-07-19 22:50:16,658 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:50:16,658 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:50:16,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:50:16,659 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2020-07-19 22:50:16,659 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-19 22:50:16,659 INFO L268 CegarLoopResult]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2020-07-19 22:50:16,659 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-19 22:50:16,659 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-07-19 22:50:16,659 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-19 22:50:16,659 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-07-19 22:50:16,660 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 637 645) no Hoare annotation was computed. [2020-07-19 22:50:16,660 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2020-07-19 22:50:16,660 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2020-07-19 22:50:16,660 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2020-07-19 22:50:16,660 INFO L268 CegarLoopResult]: For program point L985(lines 985 989) no Hoare annotation was computed. [2020-07-19 22:50:16,660 INFO L271 CegarLoopResult]: At program point L983(line 983) the Hoare annotation is: true [2020-07-19 22:50:16,660 INFO L268 CegarLoopResult]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2020-07-19 22:50:16,660 INFO L268 CegarLoopResult]: For program point L983-1(line 983) no Hoare annotation was computed. [2020-07-19 22:50:16,660 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2020-07-19 22:50:16,661 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2020-07-19 22:50:16,661 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:50:16,661 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:50:16,661 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:50:16,661 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1))) [2020-07-19 22:50:16,661 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2020-07-19 22:50:16,661 INFO L268 CegarLoopResult]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2020-07-19 22:50:16,662 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (and .cse3 (not (= 0 |old(~pumpRunning~0)|)) .cse4)) (.cse1 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2)))) [2020-07-19 22:50:16,662 INFO L264 CegarLoopResult]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (and .cse7 .cse5 .cse6)) (.cse1 (and .cse3 .cse7 .cse6)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse6) .cse0 .cse1 (and (<= 2 ~waterLevel~0) .cse6) .cse4 .cse2)))) [2020-07-19 22:50:16,662 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) (and .cse3 .cse1 .cse4 .cse5) .cse2) (or .cse0 (and .cse3 .cse4 .cse5) .cse2))) [2020-07-19 22:50:16,662 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:50:16,662 INFO L268 CegarLoopResult]: For program point L782(lines 781 800) no Hoare annotation was computed. [2020-07-19 22:50:16,662 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2020-07-19 22:50:16,662 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2020-07-19 22:50:16,663 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-19 22:50:16,663 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-19 22:50:16,663 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-19 22:50:16,663 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-19 22:50:16,663 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-19 22:50:16,663 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-19 22:50:16,663 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-19 22:50:16,663 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-19 22:50:16,663 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-19 22:50:16,664 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-19 22:50:16,664 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2020-07-19 22:50:16,664 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2020-07-19 22:50:16,664 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2020-07-19 22:50:16,664 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-19 22:50:16,664 INFO L268 CegarLoopResult]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2020-07-19 22:50:16,664 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2020-07-19 22:50:16,664 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-19 22:50:16,664 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-19 22:50:16,665 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:50:16,665 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:50:16,665 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:50:16,665 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:50:16,665 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2020-07-19 22:50:16,665 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:50:16,665 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2020-07-19 22:50:16,665 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 22:50:16,666 INFO L264 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:50:16,666 INFO L268 CegarLoopResult]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2020-07-19 22:50:16,666 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2020-07-19 22:50:16,666 INFO L264 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not .cse1) .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse3 .cse2))) [2020-07-19 22:50:16,666 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse2))) [2020-07-19 22:50:16,666 INFO L268 CegarLoopResult]: For program point L818(lines 818 826) no Hoare annotation was computed. [2020-07-19 22:50:16,666 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-19 22:50:16,667 INFO L268 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-07-19 22:50:16,667 INFO L268 CegarLoopResult]: For program point L814(lines 814 831) no Hoare annotation was computed. [2020-07-19 22:50:16,667 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2020-07-19 22:50:16,667 INFO L268 CegarLoopResult]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2020-07-19 22:50:16,667 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:50:16,667 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2020-07-19 22:50:16,667 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2020-07-19 22:50:16,668 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2020-07-19 22:50:16,668 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2020-07-19 22:50:16,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:50:16 BoogieIcfgContainer [2020-07-19 22:50:16,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:50:16,687 INFO L168 Benchmark]: Toolchain (without parser) took 71742.91 ms. Allocated memory was 144.7 MB in the beginning and 938.5 MB in the end (delta: 793.8 MB). Free memory was 101.8 MB in the beginning and 273.9 MB in the end (delta: -172.1 MB). Peak memory consumption was 800.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:16,687 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-19 22:50:16,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.20 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 168.5 MB in the end (delta: -67.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:16,689 INFO L168 Benchmark]: Boogie Preprocessor took 117.97 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 164.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:16,689 INFO L168 Benchmark]: RCFGBuilder took 1108.44 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.3 MB in the beginning and 189.9 MB in the end (delta: -25.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:16,690 INFO L168 Benchmark]: TraceAbstraction took 69717.09 ms. Allocated memory was 233.8 MB in the beginning and 938.5 MB in the end (delta: 704.6 MB). Free memory was 188.4 MB in the beginning and 273.9 MB in the end (delta: -85.5 MB). Peak memory consumption was 798.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:16,692 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 793.20 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 168.5 MB in the end (delta: -67.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.97 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 164.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1108.44 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.3 MB in the beginning and 189.9 MB in the end (delta: -25.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 69717.09 ms. Allocated memory was 233.8 MB in the beginning and 938.5 MB in the end (delta: 704.6 MB). Free memory was 188.4 MB in the beginning and 273.9 MB in the end (delta: -85.5 MB). Peak memory consumption was 798.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == systemActive)) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 28.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 32.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1898 SDtfs, 2573 SDslu, 3019 SDs, 0 SdLazy, 7322 SolverSat, 1691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 837 GetRequests, 651 SyntacticMatches, 9 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=789occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 722 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1892 PreInvPairs, 1985 NumberOfFragments, 2009 HoareAnnotationTreeSize, 1892 FomulaSimplifications, 107735254 FormulaSimplificationTreeSizeReduction, 6.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 4270826 FormulaSimplificationTreeSizeReductionInter, 25.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1336 NumberOfCodeBlocks, 1336 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1323 ConstructedInterpolants, 0 QuantifiedInterpolants, 449973 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1825 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 116/121 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...