/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_VARIABLES --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_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 00:54:41,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:54:41,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:54:41,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:54:41,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:54:41,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:54:41,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:54:41,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:54:41,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:54:41,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:54:41,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:54:41,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:54:41,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:54:41,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:54:41,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:54:41,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:54:41,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:54:41,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:54:41,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:54:41,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:54:41,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:54:41,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:54:41,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:54:41,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:54:41,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:54:41,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:54:41,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:54:41,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:54:41,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:54:41,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:54:41,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:54:41,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:54:41,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:54:41,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:54:41,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:54:41,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:54:41,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:54:41,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:54:41,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:54:41,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:54:41,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:54:41,706 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 [2020-07-20 00:54:41,721 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:54:41,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:54:41,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:54:41,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:54:41,722 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:54:41,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:54:41,723 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:54:41,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:54:41,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:54:41,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:54:41,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:54:41,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:54:41,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:54:41,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:54:41,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:54:41,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:54:41,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:54:41,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:54:41,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:54:41,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:54:41,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:54:41,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:54:41,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:54:41,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:54:41,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:54:41,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:54:41,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:54:41,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:54:41,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:54:41,727 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_VARIABLES 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 [2020-07-20 00:54:41,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:54:42,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:54:42,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:54:42,007 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:54:42,008 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:54:42,008 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2020-07-20 00:54:42,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b4bfa0a/aa4d448c250c4e9bb1799f127a64c40b/FLAG63ce03e3c [2020-07-20 00:54:42,642 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:54:42,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2020-07-20 00:54:42,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b4bfa0a/aa4d448c250c4e9bb1799f127a64c40b/FLAG63ce03e3c [2020-07-20 00:54:42,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b4bfa0a/aa4d448c250c4e9bb1799f127a64c40b [2020-07-20 00:54:42,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:54:42,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:54:42,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:54:42,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:54:42,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:54:42,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:54:42" (1/1) ... [2020-07-20 00:54:42,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b502e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:42, skipping insertion in model container [2020-07-20 00:54:42,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:54:42" (1/1) ... [2020-07-20 00:54:42,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 00:54:43,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 00:54:43,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:54:43,418 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 00:54:43,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:54:43,589 INFO L208 MainTranslator]: Completed translation [2020-07-20 00:54:43,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:43 WrapperNode [2020-07-20 00:54:43,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 00:54:43,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 00:54:43,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 00:54:43,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 00:54:43,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:43" (1/1) ... [2020-07-20 00:54:43,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:43" (1/1) ... [2020-07-20 00:54:43,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:43" (1/1) ... [2020-07-20 00:54:43,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:43" (1/1) ... [2020-07-20 00:54:43,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:43" (1/1) ... [2020-07-20 00:54:43,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:43" (1/1) ... [2020-07-20 00:54:43,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:43" (1/1) ... [2020-07-20 00:54:43,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 00:54:43,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 00:54:43,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 00:54:43,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 00:54:43,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:43" (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 [2020-07-20 00:54:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 00:54:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 00:54:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 00:54:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 00:54:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 00:54:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 00:54:43,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 00:54:43,840 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 00:54:43,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 00:54:43,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 00:54:43,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 00:54:43,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 00:54:43,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 00:54:43,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 00:54:43,842 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 00:54:43,843 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 00:54:43,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 00:54:43,844 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:54:43,844 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 00:54:43,844 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 00:54:43,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 00:54:43,845 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 00:54:43,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 00:54:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 00:54:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 00:54:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 00:54:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 00:54:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 00:54:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 00:54:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 00:54:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 00:54:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 00:54:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 00:54:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 00:54:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 00:54:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 00:54:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 00:54:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 00:54:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 00:54:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 00:54:43,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 00:54:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 00:54:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 00:54:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 00:54:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 00:54:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 00:54:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 00:54:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 00:54:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 00:54:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 00:54:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 00:54:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 00:54:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 00:54:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 00:54:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 00:54:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 00:54:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 00:54:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 00:54:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 00:54:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 00:54:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 00:54:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 00:54:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 00:54:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 00:54:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 00:54:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 00:54:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 00:54:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 00:54:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 00:54:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 00:54:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 00:54:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 00:54:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 00:54:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 00:54:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 00:54:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 00:54:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 00:54:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 00:54:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 00:54:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 00:54:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 00:54:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 00:54:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 00:54:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 00:54:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:54:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 00:54:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 00:54:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 00:54:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 00:54:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 00:54:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 00:54:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 00:54:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 00:54:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 00:54:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 00:54:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 00:54:44,897 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 00:54:44,898 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 00:54:44,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:54:44 BoogieIcfgContainer [2020-07-20 00:54:44,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 00:54:44,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 00:54:44,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 00:54:44,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 00:54:44,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:54:42" (1/3) ... [2020-07-20 00:54:44,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca73227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:54:44, skipping insertion in model container [2020-07-20 00:54:44,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:43" (2/3) ... [2020-07-20 00:54:44,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca73227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:54:44, skipping insertion in model container [2020-07-20 00:54:44,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:54:44" (3/3) ... [2020-07-20 00:54:44,914 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2020-07-20 00:54:44,925 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 00:54:44,933 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 00:54:44,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 00:54:44,968 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 00:54:44,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 00:54:44,969 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 00:54:44,969 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 00:54:44,969 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 00:54:44,969 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 00:54:44,969 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 00:54:44,970 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 00:54:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-20 00:54:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 00:54:45,002 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:54:45,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:54:45,004 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:54:45,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:54:45,009 INFO L82 PathProgramCache]: Analyzing trace with hash 135364863, now seen corresponding path program 1 times [2020-07-20 00:54:45,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:54:45,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321209451] [2020-07-20 00:54:45,020 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:54:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:45,661 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:54:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:54:45,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321209451] [2020-07-20 00:54:45,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:54:45,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 00:54:45,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826863774] [2020-07-20 00:54:45,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 00:54:45,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:54:45,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 00:54:45,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 00:54:45,835 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2020-07-20 00:54:47,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:54:47,088 INFO L93 Difference]: Finished difference Result 323 states and 418 transitions. [2020-07-20 00:54:47,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 00:54:47,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-20 00:54:47,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:54:47,114 INFO L225 Difference]: With dead ends: 323 [2020-07-20 00:54:47,115 INFO L226 Difference]: Without dead ends: 174 [2020-07-20 00:54:47,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 00:54:47,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-07-20 00:54:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 140. [2020-07-20 00:54:47,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-20 00:54:47,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2020-07-20 00:54:47,224 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2020-07-20 00:54:47,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:54:47,226 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2020-07-20 00:54:47,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 00:54:47,226 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2020-07-20 00:54:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 00:54:47,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:54:47,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 00:54:47,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 00:54:47,234 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:54:47,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:54:47,234 INFO L82 PathProgramCache]: Analyzing trace with hash 327228860, now seen corresponding path program 1 times [2020-07-20 00:54:47,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:54:47,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835527329] [2020-07-20 00:54:47,235 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:54:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:47,611 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:54:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:54:47,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835527329] [2020-07-20 00:54:47,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:54:47,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 00:54:47,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467781755] [2020-07-20 00:54:47,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 00:54:47,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:54:47,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 00:54:47,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:54:47,677 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 4 states. [2020-07-20 00:54:48,141 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:54:49,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:54:49,133 INFO L93 Difference]: Finished difference Result 256 states and 309 transitions. [2020-07-20 00:54:49,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 00:54:49,134 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-20 00:54:49,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:54:49,139 INFO L225 Difference]: With dead ends: 256 [2020-07-20 00:54:49,140 INFO L226 Difference]: Without dead ends: 158 [2020-07-20 00:54:49,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 00:54:49,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-20 00:54:49,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 131. [2020-07-20 00:54:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-20 00:54:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2020-07-20 00:54:49,180 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2020-07-20 00:54:49,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:54:49,180 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2020-07-20 00:54:49,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 00:54:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2020-07-20 00:54:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 00:54:49,183 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:54:49,183 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] [2020-07-20 00:54:49,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 00:54:49,184 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:54:49,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:54:49,184 INFO L82 PathProgramCache]: Analyzing trace with hash -207054876, now seen corresponding path program 1 times [2020-07-20 00:54:49,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:54:49,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258234505] [2020-07-20 00:54:49,185 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:54:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:49,534 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:54:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:49,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:54:49,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258234505] [2020-07-20 00:54:49,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:54:49,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:54:49,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954357691] [2020-07-20 00:54:49,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:54:49,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:54:49,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:54:49,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:54:49,625 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 8 states. [2020-07-20 00:54:50,054 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:54:50,417 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:54:50,669 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:54:50,902 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:54:52,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:54:52,212 INFO L93 Difference]: Finished difference Result 265 states and 323 transitions. [2020-07-20 00:54:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 00:54:52,213 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-20 00:54:52,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:54:52,216 INFO L225 Difference]: With dead ends: 265 [2020-07-20 00:54:52,216 INFO L226 Difference]: Without dead ends: 158 [2020-07-20 00:54:52,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 00:54:52,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-20 00:54:52,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 131. [2020-07-20 00:54:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-20 00:54:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2020-07-20 00:54:52,301 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2020-07-20 00:54:52,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:54:52,302 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2020-07-20 00:54:52,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:54:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2020-07-20 00:54:52,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 00:54:52,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:54:52,318 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] [2020-07-20 00:54:52,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 00:54:52,319 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:54:52,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:54:52,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1468702982, now seen corresponding path program 1 times [2020-07-20 00:54:52,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:54:52,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156726264] [2020-07-20 00:54:52,323 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:54:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,685 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:54:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:54:52,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156726264] [2020-07-20 00:54:52,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:54:52,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 00:54:52,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478507804] [2020-07-20 00:54:52,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 00:54:52,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:54:52,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 00:54:52,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 00:54:52,792 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 6 states. [2020-07-20 00:54:53,162 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:54:54,267 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:54:54,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:54:54,988 INFO L93 Difference]: Finished difference Result 357 states and 439 transitions. [2020-07-20 00:54:54,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 00:54:54,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-20 00:54:54,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:54:54,994 INFO L225 Difference]: With dead ends: 357 [2020-07-20 00:54:54,994 INFO L226 Difference]: Without dead ends: 250 [2020-07-20 00:54:54,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-20 00:54:54,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-07-20 00:54:55,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 209. [2020-07-20 00:54:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-20 00:54:55,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2020-07-20 00:54:55,042 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2020-07-20 00:54:55,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:54:55,042 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2020-07-20 00:54:55,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 00:54:55,042 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2020-07-20 00:54:55,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-20 00:54:55,044 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:54:55,044 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] [2020-07-20 00:54:55,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 00:54:55,044 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:54:55,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:54:55,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1930431345, now seen corresponding path program 1 times [2020-07-20 00:54:55,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:54:55,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883865124] [2020-07-20 00:54:55,045 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:54:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,407 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:54:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:55,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:54:55,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883865124] [2020-07-20 00:54:55,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:54:55,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:54:55,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986017340] [2020-07-20 00:54:55,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:54:55,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:54:55,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:54:55,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:54:55,481 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 8 states. [2020-07-20 00:54:55,875 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:54:56,798 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:54:57,107 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:54:57,646 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:54:57,892 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:54:58,195 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:54:59,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:54:59,172 INFO L93 Difference]: Finished difference Result 622 states and 764 transitions. [2020-07-20 00:54:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 00:54:59,173 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-07-20 00:54:59,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:54:59,177 INFO L225 Difference]: With dead ends: 622 [2020-07-20 00:54:59,178 INFO L226 Difference]: Without dead ends: 437 [2020-07-20 00:54:59,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 00:54:59,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-07-20 00:54:59,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 373. [2020-07-20 00:54:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-20 00:54:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2020-07-20 00:54:59,258 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2020-07-20 00:54:59,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:54:59,258 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2020-07-20 00:54:59,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:54:59,259 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2020-07-20 00:54:59,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-20 00:54:59,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:54:59,260 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] [2020-07-20 00:54:59,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 00:54:59,261 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:54:59,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:54:59,261 INFO L82 PathProgramCache]: Analyzing trace with hash -613018165, now seen corresponding path program 1 times [2020-07-20 00:54:59,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:54:59,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005191679] [2020-07-20 00:54:59,262 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:54:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,546 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:54:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:54:59,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005191679] [2020-07-20 00:54:59,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:54:59,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:54:59,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134464857] [2020-07-20 00:54:59,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:54:59,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:54:59,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:54:59,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:54:59,651 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 9 states. [2020-07-20 00:55:00,126 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:55:01,207 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:55:01,526 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:02,624 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:02,867 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:03,163 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:03,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:03,389 INFO L93 Difference]: Finished difference Result 476 states and 594 transitions. [2020-07-20 00:55:03,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 00:55:03,390 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-07-20 00:55:03,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:03,394 INFO L225 Difference]: With dead ends: 476 [2020-07-20 00:55:03,394 INFO L226 Difference]: Without dead ends: 473 [2020-07-20 00:55:03,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 00:55:03,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-07-20 00:55:03,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 373. [2020-07-20 00:55:03,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-20 00:55:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2020-07-20 00:55:03,466 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2020-07-20 00:55:03,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:03,466 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2020-07-20 00:55:03,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:55:03,467 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2020-07-20 00:55:03,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 00:55:03,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:03,469 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] [2020-07-20 00:55:03,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 00:55:03,469 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:03,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:03,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1664141551, now seen corresponding path program 1 times [2020-07-20 00:55:03,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:03,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701854112] [2020-07-20 00:55:03,470 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:55:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,697 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:55:03,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701854112] [2020-07-20 00:55:03,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:55:03,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:55:03,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578257161] [2020-07-20 00:55:03,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:55:03,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:03,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:55:03,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:55:03,840 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 9 states. [2020-07-20 00:55:04,692 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:04,970 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:55:05,209 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:05,436 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:06,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:06,528 INFO L93 Difference]: Finished difference Result 830 states and 1028 transitions. [2020-07-20 00:55:06,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 00:55:06,529 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-07-20 00:55:06,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:06,533 INFO L225 Difference]: With dead ends: 830 [2020-07-20 00:55:06,533 INFO L226 Difference]: Without dead ends: 481 [2020-07-20 00:55:06,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 00:55:06,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-07-20 00:55:06,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 383. [2020-07-20 00:55:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-07-20 00:55:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2020-07-20 00:55:06,608 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2020-07-20 00:55:06,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:06,609 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2020-07-20 00:55:06,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:55:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2020-07-20 00:55:06,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 00:55:06,611 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:06,611 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] [2020-07-20 00:55:06,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 00:55:06,612 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:06,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:06,612 INFO L82 PathProgramCache]: Analyzing trace with hash -770655213, now seen corresponding path program 1 times [2020-07-20 00:55:06,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:06,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299254118] [2020-07-20 00:55:06,613 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:55:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:06,895 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:07,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:55:07,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299254118] [2020-07-20 00:55:07,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:55:07,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 00:55:07,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065011565] [2020-07-20 00:55:07,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 00:55:07,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:07,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 00:55:07,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 00:55:07,051 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 11 states. [2020-07-20 00:55:07,631 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:07,861 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:08,074 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:08,620 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:08,897 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:09,148 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:10,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:10,270 INFO L93 Difference]: Finished difference Result 850 states and 1050 transitions. [2020-07-20 00:55:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 00:55:10,271 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-07-20 00:55:10,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:10,275 INFO L225 Difference]: With dead ends: 850 [2020-07-20 00:55:10,275 INFO L226 Difference]: Without dead ends: 491 [2020-07-20 00:55:10,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 00:55:10,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-07-20 00:55:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 391. [2020-07-20 00:55:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-07-20 00:55:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2020-07-20 00:55:10,345 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2020-07-20 00:55:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:10,345 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2020-07-20 00:55:10,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 00:55:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2020-07-20 00:55:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 00:55:10,347 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:10,347 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] [2020-07-20 00:55:10,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 00:55:10,348 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:10,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:10,348 INFO L82 PathProgramCache]: Analyzing trace with hash -778414572, now seen corresponding path program 1 times [2020-07-20 00:55:10,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:10,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586267700] [2020-07-20 00:55:10,349 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:55:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,592 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:55:10,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586267700] [2020-07-20 00:55:10,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:55:10,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 00:55:10,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110469122] [2020-07-20 00:55:10,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 00:55:10,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:10,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 00:55:10,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:55:10,758 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 7 states. [2020-07-20 00:55:11,123 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:55:11,588 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:55:13,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:13,618 INFO L93 Difference]: Finished difference Result 1153 states and 1472 transitions. [2020-07-20 00:55:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 00:55:13,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-07-20 00:55:13,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:13,624 INFO L225 Difference]: With dead ends: 1153 [2020-07-20 00:55:13,624 INFO L226 Difference]: Without dead ends: 786 [2020-07-20 00:55:13,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-20 00:55:13,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-07-20 00:55:13,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 687. [2020-07-20 00:55:13,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-07-20 00:55:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 813 transitions. [2020-07-20 00:55:13,777 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 813 transitions. Word has length 98 [2020-07-20 00:55:13,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:13,779 INFO L479 AbstractCegarLoop]: Abstraction has 687 states and 813 transitions. [2020-07-20 00:55:13,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 00:55:13,779 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 813 transitions. [2020-07-20 00:55:13,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 00:55:13,783 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:13,783 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] [2020-07-20 00:55:13,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 00:55:13,784 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:13,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:13,784 INFO L82 PathProgramCache]: Analyzing trace with hash 469491758, now seen corresponding path program 1 times [2020-07-20 00:55:13,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:13,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633657621] [2020-07-20 00:55:13,785 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:55:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,055 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 00:55:14,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633657621] [2020-07-20 00:55:14,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271180651] [2020-07-20 00:55:14,358 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@ece69b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:55:14,832 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@ece69b issued 4 check-sat command(s) [2020-07-20 00:55:14,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:55:14,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 00:55:14,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:55:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:55:15,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:55:15,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-20 00:55:15,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231281890] [2020-07-20 00:55:15,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:55:15,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:15,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:55:15,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-20 00:55:15,033 INFO L87 Difference]: Start difference. First operand 687 states and 813 transitions. Second operand 8 states. [2020-07-20 00:55:15,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:15,512 INFO L93 Difference]: Finished difference Result 1316 states and 1568 transitions. [2020-07-20 00:55:15,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 00:55:15,513 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2020-07-20 00:55:15,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:15,516 INFO L225 Difference]: With dead ends: 1316 [2020-07-20 00:55:15,517 INFO L226 Difference]: Without dead ends: 653 [2020-07-20 00:55:15,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-20 00:55:15,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-07-20 00:55:15,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653. [2020-07-20 00:55:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-07-20 00:55:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 759 transitions. [2020-07-20 00:55:15,634 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 759 transitions. Word has length 102 [2020-07-20 00:55:15,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:15,635 INFO L479 AbstractCegarLoop]: Abstraction has 653 states and 759 transitions. [2020-07-20 00:55:15,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:55:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 759 transitions. [2020-07-20 00:55:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 00:55:15,637 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:15,638 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-20 00:55:15,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 00:55:15,852 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:15,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:15,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1698521745, now seen corresponding path program 1 times [2020-07-20 00:55:15,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:15,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169129303] [2020-07-20 00:55:15,853 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:55:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,165 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 00:55:16,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169129303] [2020-07-20 00:55:16,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153504939] [2020-07-20 00:55:16,404 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7099c1e 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 [2020-07-20 00:55:16,985 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7099c1e issued 4 check-sat command(s) [2020-07-20 00:55:16,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:55:16,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 00:55:17,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:55:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:55:17,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:55:17,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 19 [2020-07-20 00:55:17,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618943657] [2020-07-20 00:55:17,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:55:17,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:17,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:55:17,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2020-07-20 00:55:17,173 INFO L87 Difference]: Start difference. First operand 653 states and 759 transitions. Second operand 9 states. [2020-07-20 00:55:18,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:18,712 INFO L93 Difference]: Finished difference Result 1670 states and 2163 transitions. [2020-07-20 00:55:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 00:55:18,713 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2020-07-20 00:55:18,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:18,722 INFO L225 Difference]: With dead ends: 1670 [2020-07-20 00:55:18,722 INFO L226 Difference]: Without dead ends: 1165 [2020-07-20 00:55:18,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 202 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=529, Unknown=0, NotChecked=0, Total=650 [2020-07-20 00:55:18,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2020-07-20 00:55:18,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 931. [2020-07-20 00:55:18,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-07-20 00:55:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1094 transitions. [2020-07-20 00:55:18,939 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1094 transitions. Word has length 155 [2020-07-20 00:55:18,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:18,939 INFO L479 AbstractCegarLoop]: Abstraction has 931 states and 1094 transitions. [2020-07-20 00:55:18,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:55:18,940 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1094 transitions. [2020-07-20 00:55:18,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 00:55:18,942 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:18,943 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-20 00:55:19,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:55:19,156 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:19,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:19,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1973281359, now seen corresponding path program 1 times [2020-07-20 00:55:19,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:19,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782200478] [2020-07-20 00:55:19,157 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4e28872e [2020-07-20 00:55:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,556 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-20 00:55:19,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782200478] [2020-07-20 00:55:19,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792984198] [2020-07-20 00:55:19,862 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@50665762 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:55:20,253 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@50665762 issued 4 check-sat command(s) [2020-07-20 00:55:20,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:55:20,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 00:55:20,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:55:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 00:55:20,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:55:20,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 16 [2020-07-20 00:55:20,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148445757] [2020-07-20 00:55:20,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 00:55:20,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:20,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 00:55:20,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-07-20 00:55:20,353 INFO L87 Difference]: Start difference. First operand 931 states and 1094 transitions. Second operand 6 states. [2020-07-20 00:55:20,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:20,463 INFO L93 Difference]: Finished difference Result 1319 states and 1547 transitions. [2020-07-20 00:55:20,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 00:55:20,463 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2020-07-20 00:55:20,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:20,465 INFO L225 Difference]: With dead ends: 1319 [2020-07-20 00:55:20,465 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 00:55:20,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-07-20 00:55:20,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 00:55:20,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 00:55:20,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 00:55:20,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 00:55:20,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-07-20 00:55:20,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:20,470 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 00:55:20,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 00:55:20,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 00:55:20,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 00:55:20,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-20 00:55:20,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 00:55:21,416 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 205 [2020-07-20 00:55:21,521 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 204 [2020-07-20 00:55:22,570 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 265 [2020-07-20 00:55:23,573 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 267 [2020-07-20 00:55:23,882 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 257 [2020-07-20 00:55:25,204 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 257 [2020-07-20 00:55:26,281 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-07-20 00:55:26,463 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 00:55:26,647 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 00:55:27,169 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 00:55:27,793 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 29 [2020-07-20 00:55:28,812 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 166 DAG size of output: 33 [2020-07-20 00:55:28,995 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 00:55:29,177 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 00:55:30,300 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 201 DAG size of output: 33 [2020-07-20 00:55:30,474 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-07-20 00:55:30,656 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 00:55:31,237 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2020-07-20 00:55:31,638 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2020-07-20 00:55:32,518 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 31 [2020-07-20 00:55:32,697 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-20 00:55:33,353 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 25 [2020-07-20 00:55:33,902 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 26 [2020-07-20 00:55:34,421 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 00:55:35,443 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 203 DAG size of output: 34 [2020-07-20 00:55:36,401 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 32 [2020-07-20 00:55:37,076 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-20 00:55:37,283 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-20 00:55:37,443 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-07-20 00:55:37,939 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2020-07-20 00:55:38,108 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 00:55:38,278 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 00:55:38,773 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 21 [2020-07-20 00:55:39,278 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2020-07-20 00:55:39,443 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-20 00:55:39,613 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 00:55:40,448 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 24 [2020-07-20 00:55:41,393 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 39 [2020-07-20 00:55:41,940 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-07-20 00:55:42,101 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 18 [2020-07-20 00:55:42,268 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-20 00:55:42,438 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-20 00:55:42,603 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-20 00:55:43,146 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 22 [2020-07-20 00:55:43,309 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-20 00:55:43,490 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-20 00:55:43,740 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-20 00:55:44,215 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-07-20 00:55:45,173 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 32 [2020-07-20 00:55:45,337 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-07-20 00:55:45,517 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-20 00:55:45,701 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-20 00:55:45,914 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-07-20 00:55:45,918 INFO L268 CegarLoopResult]: For program point L190(lines 190 194) no Hoare annotation was computed. [2020-07-20 00:55:45,918 INFO L268 CegarLoopResult]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2020-07-20 00:55:45,919 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-07-20 00:55:45,919 INFO L268 CegarLoopResult]: For program point L184-2(lines 184 205) no Hoare annotation was computed. [2020-07-20 00:55:45,919 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 159 214) no Hoare annotation was computed. [2020-07-20 00:55:45,919 INFO L268 CegarLoopResult]: For program point L206(lines 183 207) no Hoare annotation was computed. [2020-07-20 00:55:45,919 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 159 214) no Hoare annotation was computed. [2020-07-20 00:55:45,919 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 159 214) no Hoare annotation was computed. [2020-07-20 00:55:45,920 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-07-20 00:55:45,920 INFO L268 CegarLoopResult]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2020-07-20 00:55:45,920 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 215 274) no Hoare annotation was computed. [2020-07-20 00:55:45,920 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-07-20 00:55:45,920 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 266) no Hoare annotation was computed. [2020-07-20 00:55:45,920 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 215 274) no Hoare annotation was computed. [2020-07-20 00:55:45,920 INFO L268 CegarLoopResult]: For program point L267(lines 240 268) no Hoare annotation was computed. [2020-07-20 00:55:45,921 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 215 274) no Hoare annotation was computed. [2020-07-20 00:55:45,921 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-07-20 00:55:45,921 INFO L268 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-07-20 00:55:45,921 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2020-07-20 00:55:45,921 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2020-07-20 00:55:45,921 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2020-07-20 00:55:45,922 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2020-07-20 00:55:45,922 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2020-07-20 00:55:45,922 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:55:45,922 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2020-07-20 00:55:45,922 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:55:45,922 INFO L264 CegarLoopResult]: At program point L848-1(line 848) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:55:45,923 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-07-20 00:55:45,923 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2020-07-20 00:55:45,923 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2020-07-20 00:55:45,923 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-20 00:55:45,923 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:55:45,923 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:55:45,923 INFO L264 CegarLoopResult]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:55:45,923 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-20 00:55:45,924 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-20 00:55:45,924 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 795 818) no Hoare annotation was computed. [2020-07-20 00:55:45,924 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 795 818) no Hoare annotation was computed. [2020-07-20 00:55:45,924 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 795 818) no Hoare annotation was computed. [2020-07-20 00:55:45,924 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-20 00:55:45,924 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-20 00:55:45,924 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-20 00:55:45,925 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-20 00:55:45,925 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-07-20 00:55:45,925 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-07-20 00:55:45,925 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-20 00:55:45,925 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 00:55:45,925 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-20 00:55:45,925 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-20 00:55:45,925 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-20 00:55:45,925 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-20 00:55:45,926 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2020-07-20 00:55:45,926 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2020-07-20 00:55:45,926 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2020-07-20 00:55:45,926 INFO L268 CegarLoopResult]: For program point L753(lines 753 757) no Hoare annotation was computed. [2020-07-20 00:55:45,926 INFO L271 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: true [2020-07-20 00:55:45,926 INFO L268 CegarLoopResult]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2020-07-20 00:55:45,926 INFO L268 CegarLoopResult]: For program point L751-1(line 751) no Hoare annotation was computed. [2020-07-20 00:55:45,926 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2020-07-20 00:55:45,926 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2020-07-20 00:55:45,927 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2020-07-20 00:55:45,927 INFO L268 CegarLoopResult]: For program point L696(lines 696 704) no Hoare annotation was computed. [2020-07-20 00:55:45,927 INFO L268 CegarLoopResult]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2020-07-20 00:55:45,927 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-20 00:55:45,927 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 689 724) no Hoare annotation was computed. [2020-07-20 00:55:45,927 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-07-20 00:55:45,927 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 689 724) no Hoare annotation was computed. [2020-07-20 00:55:45,927 INFO L268 CegarLoopResult]: For program point L708(lines 708 716) no Hoare annotation was computed. [2020-07-20 00:55:45,928 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 689 724) no Hoare annotation was computed. [2020-07-20 00:55:45,928 INFO L268 CegarLoopResult]: For program point L708-2(lines 708 716) no Hoare annotation was computed. [2020-07-20 00:55:45,928 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-20 00:55:45,928 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2020-07-20 00:55:45,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 113 158) no Hoare annotation was computed. [2020-07-20 00:55:45,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 113 158) no Hoare annotation was computed. [2020-07-20 00:55:45,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 113 158) no Hoare annotation was computed. [2020-07-20 00:55:45,928 INFO L268 CegarLoopResult]: For program point L446(lines 446 453) no Hoare annotation was computed. [2020-07-20 00:55:45,928 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 426 471) no Hoare annotation was computed. [2020-07-20 00:55:45,929 INFO L268 CegarLoopResult]: For program point L440(lines 440 460) no Hoare annotation was computed. [2020-07-20 00:55:45,929 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 460) no Hoare annotation was computed. [2020-07-20 00:55:45,929 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 426 471) no Hoare annotation was computed. [2020-07-20 00:55:45,929 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 426 471) no Hoare annotation was computed. [2020-07-20 00:55:45,929 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:55:45,929 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2020-07-20 00:55:45,929 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2020-07-20 00:55:45,929 INFO L268 CegarLoopResult]: For program point L674-1(line 674) no Hoare annotation was computed. [2020-07-20 00:55:45,930 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2020-07-20 00:55:45,930 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2020-07-20 00:55:45,930 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2020-07-20 00:55:45,930 INFO L271 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: true [2020-07-20 00:55:45,930 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 00:55:45,930 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2020-07-20 00:55:45,930 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2020-07-20 00:55:45,930 INFO L268 CegarLoopResult]: For program point L944(lines 944 950) no Hoare annotation was computed. [2020-07-20 00:55:45,930 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2020-07-20 00:55:45,931 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2020-07-20 00:55:45,931 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2020-07-20 00:55:45,931 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2020-07-20 00:55:45,931 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse2 .cse5 .cse3) (or .cse1 .cse4 .cse5 .cse3))) [2020-07-20 00:55:45,931 INFO L268 CegarLoopResult]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2020-07-20 00:55:45,931 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~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))) [2020-07-20 00:55:45,931 INFO L264 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 00:55:45,932 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~6))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse5 .cse4 .cse3))) [2020-07-20 00:55:45,932 INFO L268 CegarLoopResult]: For program point L618(lines 618 626) no Hoare annotation was computed. [2020-07-20 00:55:45,932 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3))) [2020-07-20 00:55:45,932 INFO L268 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-07-20 00:55:45,932 INFO L268 CegarLoopResult]: For program point L614(lines 614 631) no Hoare annotation was computed. [2020-07-20 00:55:45,932 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2020-07-20 00:55:45,933 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2020-07-20 00:55:45,933 INFO L264 CegarLoopResult]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:55:45,933 INFO L268 CegarLoopResult]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2020-07-20 00:55:45,933 INFO L264 CegarLoopResult]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 00:55:45,933 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-20 00:55:45,933 INFO L264 CegarLoopResult]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2) (and .cse3 .cse4 .cse0 .cse5) (and .cse3 .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse2 .cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not .cse5))) [2020-07-20 00:55:45,933 INFO L268 CegarLoopResult]: For program point L488(lines 487 532) no Hoare annotation was computed. [2020-07-20 00:55:45,934 INFO L268 CegarLoopResult]: For program point L517(lines 517 528) no Hoare annotation was computed. [2020-07-20 00:55:45,934 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) .cse1) (and (<= 2 ~waterLevel~0) .cse2 .cse0 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not .cse3))) [2020-07-20 00:55:45,934 INFO L268 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2020-07-20 00:55:45,934 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2020-07-20 00:55:45,934 INFO L264 CegarLoopResult]: At program point L499(line 499) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse3 .cse0) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-20 00:55:45,934 INFO L264 CegarLoopResult]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse3 .cse0) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-20 00:55:45,934 INFO L268 CegarLoopResult]: For program point L497(lines 497 503) no Hoare annotation was computed. [2020-07-20 00:55:45,935 INFO L268 CegarLoopResult]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2020-07-20 00:55:45,935 INFO L268 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-07-20 00:55:45,935 INFO L268 CegarLoopResult]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2020-07-20 00:55:45,935 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 380 425) no Hoare annotation was computed. [2020-07-20 00:55:45,935 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 380 425) no Hoare annotation was computed. [2020-07-20 00:55:45,935 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 380 425) no Hoare annotation was computed. [2020-07-20 00:55:45,935 INFO L268 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-07-20 00:55:45,935 INFO L268 CegarLoopResult]: For program point L394(lines 394 414) no Hoare annotation was computed. [2020-07-20 00:55:45,935 INFO L268 CegarLoopResult]: For program point L394-1(lines 394 414) no Hoare annotation was computed. [2020-07-20 00:55:45,936 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) 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))) [2020-07-20 00:55:45,936 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2020-07-20 00:55:45,936 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2020-07-20 00:55:45,936 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2020-07-20 00:55:45,936 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2020-07-20 00:55:45,936 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2020-07-20 00:55:45,936 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 908 930) no Hoare annotation was computed. [2020-07-20 00:55:45,936 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 908 930) no Hoare annotation was computed. [2020-07-20 00:55:45,936 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 908 930) no Hoare annotation was computed. [2020-07-20 00:55:45,936 INFO L268 CegarLoopResult]: For program point L916(lines 916 924) no Hoare annotation was computed. [2020-07-20 00:55:45,937 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 924) no Hoare annotation was computed. [2020-07-20 00:55:45,937 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2020-07-20 00:55:45,937 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2020-07-20 00:55:45,937 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2020-07-20 00:55:45,937 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 277 379) no Hoare annotation was computed. [2020-07-20 00:55:45,937 INFO L268 CegarLoopResult]: For program point L347(lines 325 348) no Hoare annotation was computed. [2020-07-20 00:55:45,937 INFO L268 CegarLoopResult]: For program point L306(lines 306 322) no Hoare annotation was computed. [2020-07-20 00:55:45,937 INFO L268 CegarLoopResult]: For program point L366(lines 366 373) no Hoare annotation was computed. [2020-07-20 00:55:45,937 INFO L268 CegarLoopResult]: For program point L327(lines 326 346) no Hoare annotation was computed. [2020-07-20 00:55:45,938 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-07-20 00:55:45,938 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 277 379) no Hoare annotation was computed. [2020-07-20 00:55:45,938 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-07-20 00:55:45,938 INFO L268 CegarLoopResult]: For program point L323(lines 323 364) no Hoare annotation was computed. [2020-07-20 00:55:45,938 INFO L268 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-07-20 00:55:45,938 INFO L268 CegarLoopResult]: For program point L342-1(line 342) no Hoare annotation was computed. [2020-07-20 00:55:45,938 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 277 379) no Hoare annotation was computed. [2020-07-20 00:55:45,938 INFO L268 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-07-20 00:55:45,938 INFO L268 CegarLoopResult]: For program point L365(lines 365 376) no Hoare annotation was computed. [2020-07-20 00:55:45,939 INFO L268 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-07-20 00:55:45,939 INFO L268 CegarLoopResult]: For program point L326-2(lines 326 346) no Hoare annotation was computed. [2020-07-20 00:55:45,939 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:55:45,939 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#t~string47.base)| |#t~string47.base|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |old(#t~string55.offset)| |#t~string55.offset|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |old(#t~string33.base)| |#t~string33.base|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |old(#t~string24.offset)| |#t~string24.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |old(#t~string34.base)| |#t~string34.base|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |#t~string51.base| |old(#t~string51.base)|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#t~string49.base)| |#t~string49.base|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |old(#t~string23.base)| |#t~string23.base|) (= |old(#t~string32.base)| |#t~string32.base|) (= |old(#t~string74.base)| |#t~string74.base|) (= |#t~string55.base| |old(#t~string55.base)|) (= |old(#t~string33.offset)| |#t~string33.offset|) (= |old(#t~string31.base)| |#t~string31.base|) (= |old(#t~string49.offset)| |#t~string49.offset|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string47.offset)| |#t~string47.offset|) (= |#t~string59.base| |old(#t~string59.base)|) (= |old(#t~string25.base)| |#t~string25.base|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |old(#t~string26.offset)| |#t~string26.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(#length)| |#length|) (= |old(#t~string24.base)| |#t~string24.base|) (= |old(#t~string66.base)| |#t~string66.base|) (= |old(#t~string70.base)| |#t~string70.base|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |old(#t~string34.offset)| |#t~string34.offset|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(#t~string31.offset)| |#t~string31.offset|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(#t~string53.offset)| |#t~string53.offset|)) [2020-07-20 00:55:45,939 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:55:45,939 INFO L264 CegarLoopResult]: At program point L655(line 655) 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))) [2020-07-20 00:55:45,940 INFO L268 CegarLoopResult]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2020-07-20 00:55:45,940 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2020-07-20 00:55:45,940 INFO L268 CegarLoopResult]: For program point L651(lines 651 657) no Hoare annotation was computed. [2020-07-20 00:55:45,940 INFO L264 CegarLoopResult]: At program point L649(line 649) 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))) [2020-07-20 00:55:45,940 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 644 660) 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))) [2020-07-20 00:55:45,940 INFO L268 CegarLoopResult]: For program point L649-1(line 649) no Hoare annotation was computed. [2020-07-20 00:55:45,941 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2020-07-20 00:55:45,941 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-20 00:55:45,941 INFO L271 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: true [2020-07-20 00:55:45,941 INFO L268 CegarLoopResult]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2020-07-20 00:55:45,941 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-07-20 00:55:45,941 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2020-07-20 00:55:45,941 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2020-07-20 00:55:45,941 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 931 939) no Hoare annotation was computed. [2020-07-20 00:55:45,941 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 931 939) no Hoare annotation was computed. [2020-07-20 00:55:45,942 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 931 939) no Hoare annotation was computed. [2020-07-20 00:55:45,942 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:55:45,942 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 00:55:45,942 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:55:45,942 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse4) (or .cse0 .cse1 .cse3 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse4))) [2020-07-20 00:55:45,942 INFO L268 CegarLoopResult]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2020-07-20 00:55:45,942 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2020-07-20 00:55:45,942 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2020-07-20 00:55:45,943 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2020-07-20 00:55:45,943 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2020-07-20 00:55:45,943 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse1 .cse6 .cse7 .cse4))) [2020-07-20 00:55:45,943 INFO L264 CegarLoopResult]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse11 (= 0 ~methaneLevelCritical~0)) (.cse10 (= 1 ~systemActive~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= 0 ~pumpRunning~0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse12)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (and .cse12 .cse9)) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (and .cse11 (<= 2 ~waterLevel~0) .cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not .cse11)) (.cse4 (not .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4) (or .cse7 .cse5 .cse6 .cse4 .cse8) (or .cse0 .cse2 .cse7 .cse3 .cse4 .cse8) (or .cse2 .cse7 .cse9 (not (= 1 |old(~waterLevel~0)|)) .cse4)))) [2020-07-20 00:55:45,943 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse8)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse1 .cse6 .cse7 .cse4)))) [2020-07-20 00:55:45,944 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3) (or .cse6 .cse4 .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse3))) [2020-07-20 00:55:45,944 INFO L268 CegarLoopResult]: For program point L556(lines 555 574) no Hoare annotation was computed. [2020-07-20 00:55:45,944 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2020-07-20 00:55:45,944 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2020-07-20 00:55:45,944 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2020-07-20 00:55:45,944 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2020-07-20 00:55:45,944 INFO L271 CegarLoopResult]: At program point L790(lines 765 794) the Hoare annotation is: true [2020-07-20 00:55:45,944 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-20 00:55:45,945 INFO L268 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-07-20 00:55:45,945 INFO L271 CegarLoopResult]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2020-07-20 00:55:45,945 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-07-20 00:55:45,945 INFO L271 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2020-07-20 00:55:45,945 INFO L271 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: true [2020-07-20 00:55:45,945 INFO L268 CegarLoopResult]: For program point L771-1(line 771) no Hoare annotation was computed. [2020-07-20 00:55:45,945 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 00:55:45,945 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2020-07-20 00:55:45,945 INFO L268 CegarLoopResult]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2020-07-20 00:55:45,946 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2020-07-20 00:55:45,946 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2020-07-20 00:55:45,946 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:55:45,946 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)) [2020-07-20 00:55:45,946 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 00:55:45,946 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:55:45,946 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 00:55:45,946 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2020-07-20 00:55:45,947 INFO L264 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 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))) [2020-07-20 00:55:45,947 INFO L268 CegarLoopResult]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2020-07-20 00:55:45,947 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 00:55:45,947 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-20 00:55:45,947 INFO L268 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2020-07-20 00:55:45,947 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 00:55:45,947 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 00:55:45,948 INFO L268 CegarLoopResult]: For program point L588(lines 588 605) no Hoare annotation was computed. [2020-07-20 00:55:45,948 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2020-07-20 00:55:45,948 INFO L268 CegarLoopResult]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2020-07-20 00:55:45,948 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 .cse3 .cse4 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4 .cse2))) [2020-07-20 00:55:45,948 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2020-07-20 00:55:45,948 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2020-07-20 00:55:45,948 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2020-07-20 00:55:45,949 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2020-07-20 00:55:45,949 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-20 00:55:45,949 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 00:55:45,949 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-20 00:55:45,949 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-20 00:55:45,949 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2020-07-20 00:55:45,949 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-20 00:55:45,949 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-20 00:55:45,950 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-20 00:55:45,950 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-20 00:55:45,950 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-20 00:55:45,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:55:45 BoogieIcfgContainer [2020-07-20 00:55:45,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 00:55:45,970 INFO L168 Benchmark]: Toolchain (without parser) took 63024.19 ms. Allocated memory was 138.4 MB in the beginning and 842.5 MB in the end (delta: 704.1 MB). Free memory was 102.2 MB in the beginning and 616.2 MB in the end (delta: -514.0 MB). Peak memory consumption was 731.6 MB. Max. memory is 7.1 GB. [2020-07-20 00:55:45,970 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 00:55:45,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.68 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 169.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-07-20 00:55:45,971 INFO L168 Benchmark]: Boogie Preprocessor took 150.28 ms. Allocated memory is still 202.4 MB. Free memory was 169.6 MB in the beginning and 164.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-20 00:55:45,972 INFO L168 Benchmark]: RCFGBuilder took 1162.99 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 164.5 MB in the beginning and 192.3 MB in the end (delta: -27.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-07-20 00:55:45,973 INFO L168 Benchmark]: TraceAbstraction took 61060.89 ms. Allocated memory was 235.9 MB in the beginning and 842.5 MB in the end (delta: 606.6 MB). Free memory was 192.3 MB in the beginning and 616.2 MB in the end (delta: -424.0 MB). Peak memory consumption was 724.2 MB. Max. memory is 7.1 GB. [2020-07-20 00:55:45,975 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.68 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 169.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.28 ms. Allocated memory is still 202.4 MB. Free memory was 169.6 MB in the beginning and 164.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1162.99 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 164.5 MB in the beginning and 192.3 MB in the end (delta: -27.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61060.89 ms. Allocated memory was 235.9 MB in the beginning and 842.5 MB in the end (delta: 606.6 MB). Free memory was 192.3 MB in the beginning and 616.2 MB in the end (delta: -424.0 MB). Peak memory consumption was 724.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) <= waterLevel)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && \old(waterLevel) <= waterLevel)) || ((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 25.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1745 SDtfs, 2399 SDslu, 2645 SDs, 0 SdLazy, 6408 SolverSat, 1425 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 930 GetRequests, 769 SyntacticMatches, 9 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=931occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 824 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1748 PreInvPairs, 1818 NumberOfFragments, 1983 HoareAnnotationTreeSize, 1748 FomulaSimplifications, 59769489 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 63 FomulaSimplificationsInter, 1828119 FormulaSimplificationTreeSizeReductionInter, 20.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1486 NumberOfCodeBlocks, 1486 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1471 ConstructedInterpolants, 0 QuantifiedInterpolants, 475806 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2535 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 143/151 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...