/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:54:33,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:54:33,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:54:33,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:54:33,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:54:33,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:54:33,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:54:33,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:54:33,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:54:33,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:54:33,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:54:33,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:54:33,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:54:33,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:54:33,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:54:33,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:54:33,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:54:33,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:54:33,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:54:33,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:54:33,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:54:33,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:54:33,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:54:33,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:54:33,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:54:33,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:54:33,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:54:33,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:54:33,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:54:33,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:54:33,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:54:33,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:54:33,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:54:33,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:54:33,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:54:33,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:54:33,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:54:33,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:54:33,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:54:33,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:54:33,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:54:33,654 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 [2020-07-21 12:54:33,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:54:33,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:54:33,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:54:33,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:54:33,693 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:54:33,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:54:33,693 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:54:33,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:54:33,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:54:33,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:54:33,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:54:33,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:54:33,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:54:33,695 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:54:33,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:54:33,695 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:54:33,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:54:33,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:54:33,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:54:33,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:54:33,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:54:33,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:33,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:54:33,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:54:33,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:54:33,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:54:33,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:33,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:54:33,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:54:33,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:54:33,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:54:34,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:54:34,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:54:34,008 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:54:34,008 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:54:34,009 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-21 12:54:34,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/731b5b34c/db5341577fc7441992bd4149880b3089/FLAG201575293 [2020-07-21 12:54:34,607 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:54:34,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-21 12:54:34,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/731b5b34c/db5341577fc7441992bd4149880b3089/FLAG201575293 [2020-07-21 12:54:34,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/731b5b34c/db5341577fc7441992bd4149880b3089 [2020-07-21 12:54:34,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:54:34,937 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:54:34,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:34,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:54:34,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:54:34,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:34" (1/1) ... [2020-07-21 12:54:34,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bb7d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:34, skipping insertion in model container [2020-07-21 12:54:34,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:34" (1/1) ... [2020-07-21 12:54:34,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:54:35,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:54:35,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:35,393 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:54:35,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:35,636 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:54:35,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:35 WrapperNode [2020-07-21 12:54:35,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:35,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:54:35,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:54:35,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:54:35,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:35" (1/1) ... [2020-07-21 12:54:35,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:35" (1/1) ... [2020-07-21 12:54:35,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:35" (1/1) ... [2020-07-21 12:54:35,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:35" (1/1) ... [2020-07-21 12:54:35,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:35" (1/1) ... [2020-07-21 12:54:35,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:35" (1/1) ... [2020-07-21 12:54:35,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:35" (1/1) ... [2020-07-21 12:54:35,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:54:35,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:54:35,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:54:35,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:54:35,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:35" (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 [2020-07-21 12:54:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:54:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:54:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:54:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:54:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:54:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 12:54:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:54:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:54:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:54:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:54:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:54:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:54:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:54:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 12:54:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:54:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:54:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:54:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:54:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:54:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:54:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:54:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:54:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:54:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:54:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:54:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:54:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:54:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:54:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:54:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:54:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:54:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:54:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:54:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:54:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:54:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:54:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:54:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:54:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:54:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:54:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:54:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:54:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:54:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:54:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:54:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:54:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:54:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:54:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:54:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:54:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 12:54:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:54:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:54:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:54:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:54:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:54:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 12:54:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:54:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:54:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:54:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:54:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:54:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:54:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:54:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:54:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:54:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:54:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:54:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:54:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:54:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:54:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:54:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:54:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:54:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:54:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:54:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:54:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:54:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:54:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:54:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:54:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:54:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:54:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:54:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:54:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:54:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:54:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:54:36,873 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:54:36,873 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:54:36,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:36 BoogieIcfgContainer [2020-07-21 12:54:36,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:54:36,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:54:36,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:54:36,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:54:36,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:34" (1/3) ... [2020-07-21 12:54:36,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69194554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:36, skipping insertion in model container [2020-07-21 12:54:36,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:35" (2/3) ... [2020-07-21 12:54:36,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69194554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:36, skipping insertion in model container [2020-07-21 12:54:36,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:36" (3/3) ... [2020-07-21 12:54:36,887 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-07-21 12:54:36,897 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:54:36,905 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:54:36,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:54:36,943 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:54:36,944 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:54:36,944 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:54:36,944 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:54:36,945 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:54:36,945 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:54:36,945 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:54:36,945 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:54:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-07-21 12:54:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:54:36,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:36,983 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] [2020-07-21 12:54:36,983 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:36,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:36,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1771327782, now seen corresponding path program 1 times [2020-07-21 12:54:36,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:36,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573827030] [2020-07-21 12:54:37,000 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:37,371 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:37,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:37,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:54:37,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:37,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:37,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573827030] [2020-07-21 12:54:37,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:37,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:54:37,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356728079] [2020-07-21 12:54:37,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:54:37,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:37,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:54:37,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:37,451 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2020-07-21 12:54:37,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:37,531 INFO L93 Difference]: Finished difference Result 322 states and 393 transitions. [2020-07-21 12:54:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:54:37,532 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 12:54:37,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:37,551 INFO L225 Difference]: With dead ends: 322 [2020-07-21 12:54:37,551 INFO L226 Difference]: Without dead ends: 163 [2020-07-21 12:54:37,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:37,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-21 12:54:37,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-07-21 12:54:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-21 12:54:37,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2020-07-21 12:54:37,619 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2020-07-21 12:54:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:37,619 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2020-07-21 12:54:37,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:54:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2020-07-21 12:54:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 12:54:37,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:37,624 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] [2020-07-21 12:54:37,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:37,833 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:37,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:37,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1467126020, now seen corresponding path program 1 times [2020-07-21 12:54:37,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:37,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950590281] [2020-07-21 12:54:37,836 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:38,153 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:38,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:38,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:38,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:38,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:38,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950590281] [2020-07-21 12:54:38,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:38,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:38,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219091354] [2020-07-21 12:54:38,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:38,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:38,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:38,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:38,202 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 3 states. [2020-07-21 12:54:38,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:38,227 INFO L93 Difference]: Finished difference Result 261 states and 303 transitions. [2020-07-21 12:54:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:38,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 12:54:38,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:38,230 INFO L225 Difference]: With dead ends: 261 [2020-07-21 12:54:38,231 INFO L226 Difference]: Without dead ends: 154 [2020-07-21 12:54:38,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:38,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-21 12:54:38,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-07-21 12:54:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-21 12:54:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2020-07-21 12:54:38,250 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2020-07-21 12:54:38,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:38,250 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2020-07-21 12:54:38,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:38,251 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2020-07-21 12:54:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 12:54:38,253 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:38,253 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] [2020-07-21 12:54:38,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:38,467 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:38,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:38,468 INFO L82 PathProgramCache]: Analyzing trace with hash 2049486337, now seen corresponding path program 1 times [2020-07-21 12:54:38,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:38,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174660155] [2020-07-21 12:54:38,469 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:38,727 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:38,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:38,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:38,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:38,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:38,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174660155] [2020-07-21 12:54:38,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:38,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:38,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446699892] [2020-07-21 12:54:38,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:38,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:38,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:38,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:38,772 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 3 states. [2020-07-21 12:54:38,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:38,805 INFO L93 Difference]: Finished difference Result 402 states and 477 transitions. [2020-07-21 12:54:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:38,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 12:54:38,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:38,809 INFO L225 Difference]: With dead ends: 402 [2020-07-21 12:54:38,810 INFO L226 Difference]: Without dead ends: 276 [2020-07-21 12:54:38,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:38,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-21 12:54:38,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 270. [2020-07-21 12:54:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-21 12:54:38,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 319 transitions. [2020-07-21 12:54:38,844 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 319 transitions. Word has length 65 [2020-07-21 12:54:38,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:38,845 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 319 transitions. [2020-07-21 12:54:38,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 319 transitions. [2020-07-21 12:54:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 12:54:38,847 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:38,848 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] [2020-07-21 12:54:39,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:39,061 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:39,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:39,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1476281748, now seen corresponding path program 1 times [2020-07-21 12:54:39,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:39,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967619933] [2020-07-21 12:54:39,062 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:39,349 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:39,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:39,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:39,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:39,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:39,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967619933] [2020-07-21 12:54:39,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:39,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:39,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726298786] [2020-07-21 12:54:39,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:39,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:39,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:39,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:39,413 INFO L87 Difference]: Start difference. First operand 270 states and 319 transitions. Second operand 6 states. [2020-07-21 12:54:39,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:39,728 INFO L93 Difference]: Finished difference Result 640 states and 789 transitions. [2020-07-21 12:54:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:39,729 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 12:54:39,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:39,736 INFO L225 Difference]: With dead ends: 640 [2020-07-21 12:54:39,737 INFO L226 Difference]: Without dead ends: 398 [2020-07-21 12:54:39,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:54:39,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-21 12:54:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 388. [2020-07-21 12:54:39,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-07-21 12:54:39,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 463 transitions. [2020-07-21 12:54:39,796 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 463 transitions. Word has length 70 [2020-07-21 12:54:39,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:39,798 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 463 transitions. [2020-07-21 12:54:39,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 463 transitions. [2020-07-21 12:54:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 12:54:39,807 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:39,807 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:40,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:40,022 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:40,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:40,023 INFO L82 PathProgramCache]: Analyzing trace with hash 340334758, now seen corresponding path program 1 times [2020-07-21 12:54:40,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:40,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511051485] [2020-07-21 12:54:40,025 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:40,316 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:40,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:40,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:40,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:40,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:40,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511051485] [2020-07-21 12:54:40,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:40,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:40,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254306341] [2020-07-21 12:54:40,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:40,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:40,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:40,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:40,368 INFO L87 Difference]: Start difference. First operand 388 states and 463 transitions. Second operand 6 states. [2020-07-21 12:54:40,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:40,420 INFO L93 Difference]: Finished difference Result 762 states and 940 transitions. [2020-07-21 12:54:40,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:54:40,420 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-21 12:54:40,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:40,426 INFO L225 Difference]: With dead ends: 762 [2020-07-21 12:54:40,426 INFO L226 Difference]: Without dead ends: 402 [2020-07-21 12:54:40,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:40,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-07-21 12:54:40,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 398. [2020-07-21 12:54:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-21 12:54:40,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 473 transitions. [2020-07-21 12:54:40,466 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 473 transitions. Word has length 108 [2020-07-21 12:54:40,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:40,467 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 473 transitions. [2020-07-21 12:54:40,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:40,467 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 473 transitions. [2020-07-21 12:54:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 12:54:40,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:40,476 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:40,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:40,688 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:40,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:40,689 INFO L82 PathProgramCache]: Analyzing trace with hash -2026359836, now seen corresponding path program 1 times [2020-07-21 12:54:40,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:40,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490273806] [2020-07-21 12:54:40,690 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:40,938 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:40,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:40,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:54:40,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:40,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:40,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490273806] [2020-07-21 12:54:40,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:40,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:54:40,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494509162] [2020-07-21 12:54:40,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:54:40,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:40,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:54:40,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:40,985 INFO L87 Difference]: Start difference. First operand 398 states and 473 transitions. Second operand 5 states. [2020-07-21 12:54:41,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:41,028 INFO L93 Difference]: Finished difference Result 782 states and 960 transitions. [2020-07-21 12:54:41,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:54:41,029 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-21 12:54:41,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:41,032 INFO L225 Difference]: With dead ends: 782 [2020-07-21 12:54:41,032 INFO L226 Difference]: Without dead ends: 412 [2020-07-21 12:54:41,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:41,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-07-21 12:54:41,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 406. [2020-07-21 12:54:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-07-21 12:54:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 481 transitions. [2020-07-21 12:54:41,057 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 481 transitions. Word has length 108 [2020-07-21 12:54:41,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:41,058 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 481 transitions. [2020-07-21 12:54:41,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:54:41,058 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 481 transitions. [2020-07-21 12:54:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 12:54:41,060 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:41,061 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:41,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:41,274 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:41,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:41,275 INFO L82 PathProgramCache]: Analyzing trace with hash 2028067331, now seen corresponding path program 1 times [2020-07-21 12:54:41,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:41,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105967458] [2020-07-21 12:54:41,276 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:41,513 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:41,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:41,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:54:41,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:41,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:41,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105967458] [2020-07-21 12:54:41,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:41,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:41,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117324908] [2020-07-21 12:54:41,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:41,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:41,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:41,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:41,575 INFO L87 Difference]: Start difference. First operand 406 states and 481 transitions. Second operand 3 states. [2020-07-21 12:54:41,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:41,620 INFO L93 Difference]: Finished difference Result 1086 states and 1361 transitions. [2020-07-21 12:54:41,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:41,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-21 12:54:41,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:41,627 INFO L225 Difference]: With dead ends: 1086 [2020-07-21 12:54:41,628 INFO L226 Difference]: Without dead ends: 708 [2020-07-21 12:54:41,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:41,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2020-07-21 12:54:41,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 705. [2020-07-21 12:54:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-07-21 12:54:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 862 transitions. [2020-07-21 12:54:41,667 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 862 transitions. Word has length 108 [2020-07-21 12:54:41,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:41,667 INFO L479 AbstractCegarLoop]: Abstraction has 705 states and 862 transitions. [2020-07-21 12:54:41,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 862 transitions. [2020-07-21 12:54:41,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 12:54:41,674 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:41,674 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:41,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:41,888 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:41,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:41,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1144962269, now seen corresponding path program 1 times [2020-07-21 12:54:41,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:41,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311288913] [2020-07-21 12:54:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:42,199 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:42,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:42,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:54:42,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:42,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:42,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311288913] [2020-07-21 12:54:42,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:42,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 12:54:42,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488999477] [2020-07-21 12:54:42,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:42,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:42,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:42,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:42,339 INFO L87 Difference]: Start difference. First operand 705 states and 862 transitions. Second operand 10 states. [2020-07-21 12:54:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:44,269 INFO L93 Difference]: Finished difference Result 2074 states and 2867 transitions. [2020-07-21 12:54:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 12:54:44,271 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-07-21 12:54:44,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:44,281 INFO L225 Difference]: With dead ends: 2074 [2020-07-21 12:54:44,282 INFO L226 Difference]: Without dead ends: 1397 [2020-07-21 12:54:44,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 12:54:44,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-07-21 12:54:44,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1028. [2020-07-21 12:54:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2020-07-21 12:54:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1263 transitions. [2020-07-21 12:54:44,357 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1263 transitions. Word has length 112 [2020-07-21 12:54:44,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:44,358 INFO L479 AbstractCegarLoop]: Abstraction has 1028 states and 1263 transitions. [2020-07-21 12:54:44,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1263 transitions. [2020-07-21 12:54:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-21 12:54:44,362 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:44,362 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:44,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:44,576 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:44,577 INFO L82 PathProgramCache]: Analyzing trace with hash 215857978, now seen corresponding path program 1 times [2020-07-21 12:54:44,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:44,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361889846] [2020-07-21 12:54:44,578 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:44,769 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 12:54:44,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:44,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 12:54:44,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 12:54:44,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:44,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361889846] [2020-07-21 12:54:44,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:44,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:44,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833309076] [2020-07-21 12:54:44,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:44,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:44,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:44,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:44,804 INFO L87 Difference]: Start difference. First operand 1028 states and 1263 transitions. Second operand 3 states. [2020-07-21 12:54:44,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:44,933 INFO L93 Difference]: Finished difference Result 1733 states and 2128 transitions. [2020-07-21 12:54:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:44,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-21 12:54:44,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:44,966 INFO L225 Difference]: With dead ends: 1733 [2020-07-21 12:54:44,966 INFO L226 Difference]: Without dead ends: 733 [2020-07-21 12:54:44,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:44,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-07-21 12:54:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 713. [2020-07-21 12:54:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-07-21 12:54:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 854 transitions. [2020-07-21 12:54:45,029 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 854 transitions. Word has length 153 [2020-07-21 12:54:45,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:45,030 INFO L479 AbstractCegarLoop]: Abstraction has 713 states and 854 transitions. [2020-07-21 12:54:45,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 854 transitions. [2020-07-21 12:54:45,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-21 12:54:45,033 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:45,033 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, 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] [2020-07-21 12:54:45,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:45,247 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:45,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:45,248 INFO L82 PathProgramCache]: Analyzing trace with hash 164237146, now seen corresponding path program 1 times [2020-07-21 12:54:45,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:45,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840898876] [2020-07-21 12:54:45,249 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:45,517 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:45,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:45,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:45,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:45,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:54:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-21 12:54:46,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840898876] [2020-07-21 12:54:46,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:54:46,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 12:54:46,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183634617] [2020-07-21 12:54:46,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:46,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:46,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:46,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:46,092 INFO L87 Difference]: Start difference. First operand 713 states and 854 transitions. Second operand 10 states. [2020-07-21 12:54:46,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:46,998 INFO L93 Difference]: Finished difference Result 1573 states and 1901 transitions. [2020-07-21 12:54:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 12:54:46,999 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2020-07-21 12:54:46,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:47,000 INFO L225 Difference]: With dead ends: 1573 [2020-07-21 12:54:47,000 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:54:47,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 12:54:47,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:54:47,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:54:47,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:54:47,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:54:47,006 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2020-07-21 12:54:47,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:47,006 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:54:47,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:47,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:54:47,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:54:47,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:47,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:54:48,615 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-21 12:54:49,000 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-21 12:54:49,527 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2020-07-21 12:54:49,695 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-21 12:54:49,875 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 12:54:50,523 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-21 12:54:50,811 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-21 12:54:50,945 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-07-21 12:54:51,299 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-21 12:54:51,444 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-21 12:54:51,559 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2020-07-21 12:54:51,895 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-21 12:54:52,196 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 12:54:52,529 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-21 12:54:52,722 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-21 12:54:53,026 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-21 12:54:53,362 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-21 12:54:53,435 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-21 12:54:53,436 INFO L268 CegarLoopResult]: For program point L501-1(lines 501 505) no Hoare annotation was computed. [2020-07-21 12:54:53,436 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 470 525) no Hoare annotation was computed. [2020-07-21 12:54:53,436 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 12:54:53,436 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 516) no Hoare annotation was computed. [2020-07-21 12:54:53,436 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 470 525) no Hoare annotation was computed. [2020-07-21 12:54:53,436 INFO L268 CegarLoopResult]: For program point L517(lines 494 518) no Hoare annotation was computed. [2020-07-21 12:54:53,436 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 470 525) no Hoare annotation was computed. [2020-07-21 12:54:53,437 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 12:54:53,437 INFO L268 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-07-21 12:54:53,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 526 585) no Hoare annotation was computed. [2020-07-21 12:54:53,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 526 585) no Hoare annotation was computed. [2020-07-21 12:54:53,437 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-07-21 12:54:53,437 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-07-21 12:54:53,438 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 526 585) no Hoare annotation was computed. [2020-07-21 12:54:53,438 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 12:54:53,438 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 577) no Hoare annotation was computed. [2020-07-21 12:54:53,438 INFO L268 CegarLoopResult]: For program point L578(lines 551 579) no Hoare annotation was computed. [2020-07-21 12:54:53,438 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2020-07-21 12:54:53,438 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-21 12:54:53,439 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-21 12:54:53,439 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2020-07-21 12:54:53,439 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-21 12:54:53,439 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 370 377) the Hoare annotation is: true [2020-07-21 12:54:53,439 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 370 377) no Hoare annotation was computed. [2020-07-21 12:54:53,440 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 370 377) no Hoare annotation was computed. [2020-07-21 12:54:53,440 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 378 387) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:54:53,440 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-21 12:54:53,440 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 378 387) no Hoare annotation was computed. [2020-07-21 12:54:53,440 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 378 387) no Hoare annotation was computed. [2020-07-21 12:54:53,441 INFO L264 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 12:54:53,441 INFO L268 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-07-21 12:54:53,441 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 388 416) the Hoare annotation is: true [2020-07-21 12:54:53,441 INFO L268 CegarLoopResult]: For program point L400(lines 400 410) no Hoare annotation was computed. [2020-07-21 12:54:53,441 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 12:54:53,441 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-07-21 12:54:53,441 INFO L268 CegarLoopResult]: For program point L396(lines 396 413) no Hoare annotation was computed. [2020-07-21 12:54:53,442 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 388 416) no Hoare annotation was computed. [2020-07-21 12:54:53,442 INFO L268 CegarLoopResult]: For program point L396-1(lines 388 416) no Hoare annotation was computed. [2020-07-21 12:54:53,442 INFO L271 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: true [2020-07-21 12:54:53,442 INFO L268 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-07-21 12:54:53,442 INFO L264 CegarLoopResult]: At program point L866-1(line 866) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:53,442 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 860 882) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:53,443 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 860 882) no Hoare annotation was computed. [2020-07-21 12:54:53,443 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 860 882) no Hoare annotation was computed. [2020-07-21 12:54:53,443 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:53,443 INFO L264 CegarLoopResult]: At program point L872-1(line 872) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:53,443 INFO L268 CegarLoopResult]: For program point L870(lines 870 877) no Hoare annotation was computed. [2020-07-21 12:54:53,443 INFO L268 CegarLoopResult]: For program point L870-1(lines 870 877) no Hoare annotation was computed. [2020-07-21 12:54:53,444 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-21 12:54:53,444 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:53,444 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:53,444 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-07-21 12:54:53,444 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-21 12:54:53,444 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 815 838) no Hoare annotation was computed. [2020-07-21 12:54:53,445 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-21 12:54:53,445 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-21 12:54:53,445 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-21 12:54:53,446 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 815 838) no Hoare annotation was computed. [2020-07-21 12:54:53,446 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-21 12:54:53,446 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 815 838) no Hoare annotation was computed. [2020-07-21 12:54:53,446 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-21 12:54:53,446 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-21 12:54:53,446 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-21 12:54:53,447 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-21 12:54:53,447 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-21 12:54:53,447 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-21 12:54:53,447 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-21 12:54:53,447 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-21 12:54:53,447 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 271 285) no Hoare annotation was computed. [2020-07-21 12:54:53,447 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 271 285) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 12:54:53,448 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 12:54:53,448 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 271 285) no Hoare annotation was computed. [2020-07-21 12:54:53,448 INFO L268 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2020-07-21 12:54:53,448 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2020-07-21 12:54:53,448 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2020-07-21 12:54:53,449 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2020-07-21 12:54:53,449 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 252 270) the Hoare annotation is: true [2020-07-21 12:54:53,449 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 252 270) no Hoare annotation was computed. [2020-07-21 12:54:53,449 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 12:54:53,449 INFO L271 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: true [2020-07-21 12:54:53,449 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2020-07-21 12:54:53,449 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-07-21 12:54:53,449 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 252 270) no Hoare annotation was computed. [2020-07-21 12:54:53,450 INFO L268 CegarLoopResult]: For program point L216(lines 216 224) no Hoare annotation was computed. [2020-07-21 12:54:53,450 INFO L268 CegarLoopResult]: For program point L216-2(lines 216 224) no Hoare annotation was computed. [2020-07-21 12:54:53,451 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 197 232) no Hoare annotation was computed. [2020-07-21 12:54:53,451 INFO L268 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-07-21 12:54:53,451 INFO L268 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-07-21 12:54:53,451 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 197 232) no Hoare annotation was computed. [2020-07-21 12:54:53,451 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-21 12:54:53,451 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 197 232) no Hoare annotation was computed. [2020-07-21 12:54:53,451 INFO L268 CegarLoopResult]: For program point L227-1(line 227) no Hoare annotation was computed. [2020-07-21 12:54:53,451 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2020-07-21 12:54:53,452 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2020-07-21 12:54:53,452 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 424 469) no Hoare annotation was computed. [2020-07-21 12:54:53,452 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 424 469) no Hoare annotation was computed. [2020-07-21 12:54:53,452 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 424 469) no Hoare annotation was computed. [2020-07-21 12:54:53,452 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 737 782) no Hoare annotation was computed. [2020-07-21 12:54:53,452 INFO L268 CegarLoopResult]: For program point L757(lines 757 764) no Hoare annotation was computed. [2020-07-21 12:54:53,453 INFO L268 CegarLoopResult]: For program point L751(lines 751 771) no Hoare annotation was computed. [2020-07-21 12:54:53,453 INFO L268 CegarLoopResult]: For program point L751-1(lines 751 771) no Hoare annotation was computed. [2020-07-21 12:54:53,453 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 737 782) no Hoare annotation was computed. [2020-07-21 12:54:53,453 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 737 782) no Hoare annotation was computed. [2020-07-21 12:54:53,453 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 846 856) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:53,453 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 846 856) no Hoare annotation was computed. [2020-07-21 12:54:53,454 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 846 856) no Hoare annotation was computed. [2020-07-21 12:54:53,454 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:53,454 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 177 187) the Hoare annotation is: true [2020-07-21 12:54:53,454 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 177 187) no Hoare annotation was computed. [2020-07-21 12:54:53,454 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 177 187) no Hoare annotation was computed. [2020-07-21 12:54:53,454 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-21 12:54:53,455 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-21 12:54:53,455 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 169 176) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 12:54:53,455 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 169 176) no Hoare annotation was computed. [2020-07-21 12:54:53,455 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 169 176) no Hoare annotation was computed. [2020-07-21 12:54:53,455 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 1007 1020) no Hoare annotation was computed. [2020-07-21 12:54:53,455 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2020-07-21 12:54:53,456 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 1007 1020) the Hoare annotation is: true [2020-07-21 12:54:53,456 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 1007 1020) no Hoare annotation was computed. [2020-07-21 12:54:53,456 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:53,456 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-07-21 12:54:53,456 INFO L264 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:53,456 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-07-21 12:54:53,457 INFO L268 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-07-21 12:54:53,457 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2020-07-21 12:54:53,457 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:53,457 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:53,457 INFO L268 CegarLoopResult]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2020-07-21 12:54:53,458 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:53,458 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2020-07-21 12:54:53,458 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2020-07-21 12:54:53,458 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:54:53,458 INFO L264 CegarLoopResult]: At program point testENTRY(lines 298 365) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:53,458 INFO L268 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-07-21 12:54:53,459 INFO L268 CegarLoopResult]: For program point L318-1(lines 318 324) no Hoare annotation was computed. [2020-07-21 12:54:53,459 INFO L268 CegarLoopResult]: For program point testFINAL(lines 298 365) no Hoare annotation was computed. [2020-07-21 12:54:53,459 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-21 12:54:53,459 INFO L264 CegarLoopResult]: At program point L358(lines 307 359) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:53,459 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:54:53,459 INFO L268 CegarLoopResult]: For program point L346(lines 346 352) no Hoare annotation was computed. [2020-07-21 12:54:53,460 INFO L264 CegarLoopResult]: At program point L346-1(lines 338 353) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:54:53,460 INFO L268 CegarLoopResult]: For program point L309(lines 308 357) no Hoare annotation was computed. [2020-07-21 12:54:53,460 INFO L264 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:54:53,460 INFO L268 CegarLoopResult]: For program point L338(lines 338 353) no Hoare annotation was computed. [2020-07-21 12:54:53,460 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:54:53,460 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-07-21 12:54:53,460 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2020-07-21 12:54:53,461 INFO L264 CegarLoopResult]: At program point L355(lines 308 357) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:54:53,461 INFO L268 CegarLoopResult]: For program point testEXIT(lines 298 365) no Hoare annotation was computed. [2020-07-21 12:54:53,461 INFO L268 CegarLoopResult]: For program point L705(lines 705 725) no Hoare annotation was computed. [2020-07-21 12:54:53,461 INFO L268 CegarLoopResult]: For program point L705-1(lines 705 725) no Hoare annotation was computed. [2020-07-21 12:54:53,461 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 691 736) no Hoare annotation was computed. [2020-07-21 12:54:53,461 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 691 736) no Hoare annotation was computed. [2020-07-21 12:54:53,461 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 691 736) no Hoare annotation was computed. [2020-07-21 12:54:53,462 INFO L268 CegarLoopResult]: For program point L711(lines 711 718) no Hoare annotation was computed. [2020-07-21 12:54:53,462 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:54:53,462 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2020-07-21 12:54:53,462 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2020-07-21 12:54:53,462 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 1021 1029) no Hoare annotation was computed. [2020-07-21 12:54:53,462 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 1021 1029) the Hoare annotation is: true [2020-07-21 12:54:53,462 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 1021 1029) no Hoare annotation was computed. [2020-07-21 12:54:53,462 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 975 997) no Hoare annotation was computed. [2020-07-21 12:54:53,463 INFO L268 CegarLoopResult]: For program point L983(lines 983 991) no Hoare annotation was computed. [2020-07-21 12:54:53,463 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 975 997) no Hoare annotation was computed. [2020-07-21 12:54:53,463 INFO L268 CegarLoopResult]: For program point L983-2(lines 983 991) no Hoare annotation was computed. [2020-07-21 12:54:53,463 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 975 997) no Hoare annotation was computed. [2020-07-21 12:54:53,463 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 588 690) no Hoare annotation was computed. [2020-07-21 12:54:53,464 INFO L268 CegarLoopResult]: For program point L638(lines 637 657) no Hoare annotation was computed. [2020-07-21 12:54:53,464 INFO L268 CegarLoopResult]: For program point L669(line 669) no Hoare annotation was computed. [2020-07-21 12:54:53,464 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-21 12:54:53,464 INFO L268 CegarLoopResult]: For program point L634(lines 634 675) no Hoare annotation was computed. [2020-07-21 12:54:53,464 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-07-21 12:54:53,464 INFO L268 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-07-21 12:54:53,464 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 588 690) no Hoare annotation was computed. [2020-07-21 12:54:53,464 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-21 12:54:53,465 INFO L268 CegarLoopResult]: For program point L676(lines 676 687) no Hoare annotation was computed. [2020-07-21 12:54:53,465 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-21 12:54:53,465 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 657) no Hoare annotation was computed. [2020-07-21 12:54:53,465 INFO L268 CegarLoopResult]: For program point L658(lines 636 659) no Hoare annotation was computed. [2020-07-21 12:54:53,465 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 588 690) no Hoare annotation was computed. [2020-07-21 12:54:53,465 INFO L268 CegarLoopResult]: For program point L617(lines 617 633) no Hoare annotation was computed. [2020-07-21 12:54:53,465 INFO L268 CegarLoopResult]: For program point L677(lines 677 684) no Hoare annotation was computed. [2020-07-21 12:54:53,466 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2020-07-21 12:54:53,466 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2020-07-21 12:54:53,466 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2020-07-21 12:54:53,466 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:53,467 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-21 12:54:53,467 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:53,467 INFO L268 CegarLoopResult]: For program point L159(lines 159 165) no Hoare annotation was computed. [2020-07-21 12:54:53,467 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:54:53,467 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-21 12:54:53,467 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 152 168) no Hoare annotation was computed. [2020-07-21 12:54:53,467 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 152 168) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:54:53,467 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:54:53,468 INFO L268 CegarLoopResult]: For program point L163-1(lines 152 168) no Hoare annotation was computed. [2020-07-21 12:54:53,468 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-07-21 12:54:53,468 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-07-21 12:54:53,468 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-07-21 12:54:53,468 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-21 12:54:53,468 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-07-21 12:54:53,468 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-07-21 12:54:53,468 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-07-21 12:54:53,468 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 998 1006) the Hoare annotation is: true [2020-07-21 12:54:53,469 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 998 1006) no Hoare annotation was computed. [2020-07-21 12:54:53,469 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 998 1006) no Hoare annotation was computed. [2020-07-21 12:54:53,469 INFO L268 CegarLoopResult]: For program point L958-1(lines 954 965) no Hoare annotation was computed. [2020-07-21 12:54:53,469 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 954 965) the Hoare annotation is: true [2020-07-21 12:54:53,469 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 954 965) no Hoare annotation was computed. [2020-07-21 12:54:53,470 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:53,470 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:54:53,470 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:53,470 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 966 974) the Hoare annotation is: true [2020-07-21 12:54:53,470 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-21 12:54:53,470 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-21 12:54:53,471 INFO L268 CegarLoopResult]: For program point L64(lines 60 82) no Hoare annotation was computed. [2020-07-21 12:54:53,471 INFO L268 CegarLoopResult]: For program point L62(lines 60 82) no Hoare annotation was computed. [2020-07-21 12:54:53,471 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 57 83) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-21 12:54:53,471 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2020-07-21 12:54:53,471 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-21 12:54:53,472 INFO L264 CegarLoopResult]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse12 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= 0 ~pumpRunning~0)) (.cse13 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse7 .cse10 (<= 1 ~switchedOnBeforeTS~0) .cse13)) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse13 .cse12)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= 2 ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse6 .cse0 .cse9 (and .cse7 .cse10)) (or .cse11 .cse8 .cse9 .cse3 .cse5) (or .cse8 .cse9 (and (<= ~waterLevel~0 2) .cse10) .cse3) (or .cse0 (and .cse11 .cse7 .cse10) .cse9 (and .cse11 .cse7 .cse12) .cse3 .cse5)))) [2020-07-21 12:54:53,472 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2020-07-21 12:54:53,472 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:54:53,472 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2020-07-21 12:54:53,472 INFO L268 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-07-21 12:54:53,472 INFO L271 CegarLoopResult]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2020-07-21 12:54:53,472 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2020-07-21 12:54:53,472 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-21 12:54:53,473 INFO L271 CegarLoopResult]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2020-07-21 12:54:53,473 INFO L271 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: true [2020-07-21 12:54:53,473 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-07-21 12:54:53,473 INFO L271 CegarLoopResult]: At program point L810(lines 785 814) the Hoare annotation is: true [2020-07-21 12:54:53,473 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-21 12:54:53,473 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 930 941) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:54:53,473 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 930 941) no Hoare annotation was computed. [2020-07-21 12:54:53,473 INFO L268 CegarLoopResult]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2020-07-21 12:54:53,473 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 839 845) no Hoare annotation was computed. [2020-07-21 12:54:53,474 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 839 845) the Hoare annotation is: true [2020-07-21 12:54:53,474 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:53,474 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:54:53,474 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:54:53,474 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:53,474 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-21 12:54:53,474 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 286 293) the Hoare annotation is: true [2020-07-21 12:54:53,474 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-21 12:54:53,475 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-07-21 12:54:53,475 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 92 116) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:53,475 INFO L268 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2020-07-21 12:54:53,475 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 92 116) no Hoare annotation was computed. [2020-07-21 12:54:53,475 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:53,475 INFO L268 CegarLoopResult]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2020-07-21 12:54:53,475 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:53,476 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-21 12:54:53,476 INFO L268 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2020-07-21 12:54:53,476 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:53,478 INFO L268 CegarLoopResult]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2020-07-21 12:54:53,478 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 942 953) no Hoare annotation was computed. [2020-07-21 12:54:53,478 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 942 953) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-21 12:54:53,478 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 919 926) no Hoare annotation was computed. [2020-07-21 12:54:53,479 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 923) no Hoare annotation was computed. [2020-07-21 12:54:53,479 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 919 926) the Hoare annotation is: true [2020-07-21 12:54:53,479 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 919 926) no Hoare annotation was computed. [2020-07-21 12:54:53,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:54:53 BoogieIcfgContainer [2020-07-21 12:54:53,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:54:53,515 INFO L168 Benchmark]: Toolchain (without parser) took 18578.63 ms. Allocated memory was 146.3 MB in the beginning and 432.5 MB in the end (delta: 286.3 MB). Free memory was 102.1 MB in the beginning and 102.0 MB in the end (delta: 124.3 kB). Peak memory consumption was 288.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:53,516 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:54:53,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.29 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 101.7 MB in the beginning and 172.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:53,523 INFO L168 Benchmark]: Boogie Preprocessor took 97.41 ms. Allocated memory is still 205.0 MB. Free memory was 172.9 MB in the beginning and 168.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:53,524 INFO L168 Benchmark]: RCFGBuilder took 1143.89 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 168.8 MB in the beginning and 194.5 MB in the end (delta: -25.7 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:53,525 INFO L168 Benchmark]: TraceAbstraction took 16632.64 ms. Allocated memory was 238.0 MB in the beginning and 432.5 MB in the end (delta: 194.5 MB). Free memory was 193.1 MB in the beginning and 102.0 MB in the end (delta: 91.1 MB). Peak memory consumption was 287.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:53,535 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.29 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 101.7 MB in the beginning and 172.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.41 ms. Allocated memory is still 205.0 MB. Free memory was 172.9 MB in the beginning and 168.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1143.89 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 168.8 MB in the beginning and 194.5 MB in the end (delta: -25.7 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16632.64 ms. Allocated memory was 238.0 MB in the beginning and 432.5 MB in the end (delta: 194.5 MB). Free memory was 193.1 MB in the beginning and 102.0 MB in the end (delta: 91.1 MB). Peak memory consumption was 287.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: 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: 307]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 262 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2176 SDtfs, 1217 SDslu, 3731 SDs, 0 SdLazy, 1944 SolverSat, 448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1204 GetRequests, 1145 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1028occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1965 PreInvPairs, 2082 NumberOfFragments, 2226 HoareAnnotationTreeSize, 1965 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 72 FomulaSimplificationsInter, 9468 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 941 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1180 ConstructedInterpolants, 0 QuantifiedInterpolants, 263616 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7905 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 122/144 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...