/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:04:46,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:04:46,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:04:46,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:04:46,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:04:46,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:04:46,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:04:46,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:04:46,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:04:46,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:04:46,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:04:46,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:04:46,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:04:46,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:04:46,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:04:46,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:04:46,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:04:46,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:04:46,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:04:46,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:04:46,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:04:46,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:04:46,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:04:46,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:04:46,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:04:46,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:04:46,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:04:46,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:04:46,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:04:46,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:04:46,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:04:46,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:04:46,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:04:46,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:04:46,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:04:46,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:04:46,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:04:46,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:04:46,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:04:46,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:04:46,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:04:46,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:04:46,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:04:46,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:04:46,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:04:46,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:04:46,666 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:04:46,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:04:46,666 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:04:46,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:04:46,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:04:46,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:04:46,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:04:46,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:04:46,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:04:46,668 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:04:46,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:04:46,668 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:04:46,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:04:46,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:04:46,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:04:46,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:04:46,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:04:46,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:04:46,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:04:46,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:04:46,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:04:46,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:04:46,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:04:46,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:04:46,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:04:46,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:04:46,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:04:46,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:04:46,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:04:47,001 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:04:47,001 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:04:47,002 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-07-20 01:04:47,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/924714162/f706f8efce234d0a988556a80770bf7c/FLAGfd747f8be [2020-07-20 01:04:47,634 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:04:47,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-07-20 01:04:47,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/924714162/f706f8efce234d0a988556a80770bf7c/FLAGfd747f8be [2020-07-20 01:04:47,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/924714162/f706f8efce234d0a988556a80770bf7c [2020-07-20 01:04:47,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:04:47,952 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:04:47,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:04:47,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:04:47,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:04:47,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:47" (1/1) ... [2020-07-20 01:04:47,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79052151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:47, skipping insertion in model container [2020-07-20 01:04:47,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:47" (1/1) ... [2020-07-20 01:04:47,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:04:48,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:04:48,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:04:48,504 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:04:48,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:04:48,611 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:04:48,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:48 WrapperNode [2020-07-20 01:04:48,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:04:48,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:04:48,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:04:48,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:04:48,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:48" (1/1) ... [2020-07-20 01:04:48,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:48" (1/1) ... [2020-07-20 01:04:48,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:48" (1/1) ... [2020-07-20 01:04:48,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:48" (1/1) ... [2020-07-20 01:04:48,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:48" (1/1) ... [2020-07-20 01:04:48,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:48" (1/1) ... [2020-07-20 01:04:48,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:48" (1/1) ... [2020-07-20 01:04:48,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:04:48,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:04:48,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:04:48,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:04:48,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:04:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:04:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:04:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:04:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:04:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:04:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:04:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:04:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:04:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:04:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:04:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:04:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:04:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:04:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:04:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:04:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:04:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:04:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:04:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:04:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:04:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:04:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:04:48,764 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:04:48,764 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:04:48,764 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:04:48,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:04:48,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:04:48,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:04:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:04:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:04:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:04:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:04:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:04:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:04:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:04:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:04:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:04:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:04:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:04:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:04:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:04:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:04:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:04:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:04:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:04:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:04:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:04:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:04:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:04:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:04:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:04:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:04:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:04:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:04:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:04:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:04:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:04:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:04:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:04:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:04:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:04:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:04:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:04:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:04:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:04:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:04:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:04:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:04:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:04:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:04:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:04:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:04:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:04:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:04:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:04:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:04:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:04:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:04:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:04:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:04:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:04:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:04:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:04:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:04:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:04:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:04:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:04:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:04:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:04:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:04:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:04:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:04:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:04:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:04:49,858 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:04:49,858 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:04:49,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:49 BoogieIcfgContainer [2020-07-20 01:04:49,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:04:49,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:04:49,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:04:49,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:04:49,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:47" (1/3) ... [2020-07-20 01:04:49,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4cd404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:49, skipping insertion in model container [2020-07-20 01:04:49,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:48" (2/3) ... [2020-07-20 01:04:49,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4cd404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:49, skipping insertion in model container [2020-07-20 01:04:49,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:49" (3/3) ... [2020-07-20 01:04:49,872 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-07-20 01:04:49,882 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:04:49,890 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:04:49,904 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:04:49,925 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:04:49,925 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:04:49,925 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:04:49,925 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:04:49,925 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:04:49,926 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:04:49,926 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:04:49,926 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:04:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-20 01:04:49,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:04:49,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:49,960 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] [2020-07-20 01:04:49,960 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:49,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:49,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1869542645, now seen corresponding path program 1 times [2020-07-20 01:04:49,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:49,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313882544] [2020-07-20 01:04:49,977 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:04:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,671 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:04:50,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313882544] [2020-07-20 01:04:50,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:50,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:04:50,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208249492] [2020-07-20 01:04:50,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:04:50,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:50,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:04:50,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:04:50,791 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2020-07-20 01:04:51,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:04:51,889 INFO L93 Difference]: Finished difference Result 299 states and 383 transitions. [2020-07-20 01:04:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:04:51,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:04:51,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:04:51,905 INFO L225 Difference]: With dead ends: 299 [2020-07-20 01:04:51,906 INFO L226 Difference]: Without dead ends: 164 [2020-07-20 01:04:51,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:04:51,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-20 01:04:52,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 136. [2020-07-20 01:04:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-20 01:04:52,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2020-07-20 01:04:52,036 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2020-07-20 01:04:52,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:04:52,036 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2020-07-20 01:04:52,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:04:52,037 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-07-20 01:04:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 01:04:52,050 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:52,051 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] [2020-07-20 01:04:52,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:04:52,051 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:52,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:52,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1007263159, now seen corresponding path program 1 times [2020-07-20 01:04:52,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:52,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841686432] [2020-07-20 01:04:52,052 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:04:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,425 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:04:52,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841686432] [2020-07-20 01:04:52,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:52,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:04:52,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435583759] [2020-07-20 01:04:52,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:04:52,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:52,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:04:52,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:04:52,484 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 5 states. [2020-07-20 01:04:52,991 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:04:53,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:04:53,881 INFO L93 Difference]: Finished difference Result 244 states and 295 transitions. [2020-07-20 01:04:53,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:04:53,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-20 01:04:53,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:04:53,885 INFO L225 Difference]: With dead ends: 244 [2020-07-20 01:04:53,885 INFO L226 Difference]: Without dead ends: 154 [2020-07-20 01:04:53,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:04:53,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-20 01:04:53,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 127. [2020-07-20 01:04:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-20 01:04:53,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2020-07-20 01:04:53,922 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2020-07-20 01:04:53,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:04:53,923 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2020-07-20 01:04:53,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:04:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2020-07-20 01:04:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 01:04:53,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:53,925 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] [2020-07-20 01:04:53,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:04:53,926 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:53,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:53,926 INFO L82 PathProgramCache]: Analyzing trace with hash -706056489, now seen corresponding path program 1 times [2020-07-20 01:04:53,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:53,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595574769] [2020-07-20 01:04:53,927 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:04:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,261 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:04:54,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595574769] [2020-07-20 01:04:54,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:54,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:04:54,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792855482] [2020-07-20 01:04:54,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:04:54,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:54,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:04:54,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:04:54,356 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 9 states. [2020-07-20 01:04:54,810 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:04:55,159 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:04:55,416 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:04:55,657 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:04:56,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:04:56,789 INFO L93 Difference]: Finished difference Result 253 states and 310 transitions. [2020-07-20 01:04:56,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:04:56,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-20 01:04:56,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:04:56,792 INFO L225 Difference]: With dead ends: 253 [2020-07-20 01:04:56,792 INFO L226 Difference]: Without dead ends: 154 [2020-07-20 01:04:56,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:04:56,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-20 01:04:56,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 127. [2020-07-20 01:04:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-20 01:04:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2020-07-20 01:04:56,831 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 64 [2020-07-20 01:04:56,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:04:56,832 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2020-07-20 01:04:56,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:04:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2020-07-20 01:04:56,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-20 01:04:56,833 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:04:56,834 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] [2020-07-20 01:04:56,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:04:56,834 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:04:56,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:04:56,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1588822882, now seen corresponding path program 1 times [2020-07-20 01:04:56,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:04:56,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944117595] [2020-07-20 01:04:56,836 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:04:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,234 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:04:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:04:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:04:57,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944117595] [2020-07-20 01:04:57,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:04:57,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:04:57,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437123374] [2020-07-20 01:04:57,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:04:57,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:04:57,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:04:57,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:04:57,376 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 7 states. [2020-07-20 01:04:57,970 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:04:59,438 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:04:59,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:04:59,990 INFO L93 Difference]: Finished difference Result 352 states and 438 transitions. [2020-07-20 01:04:59,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:04:59,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-07-20 01:04:59,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:04:59,995 INFO L225 Difference]: With dead ends: 352 [2020-07-20 01:04:59,996 INFO L226 Difference]: Without dead ends: 253 [2020-07-20 01:04:59,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:04:59,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-20 01:05:00,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 210. [2020-07-20 01:05:00,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-07-20 01:05:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 241 transitions. [2020-07-20 01:05:00,043 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 241 transitions. Word has length 77 [2020-07-20 01:05:00,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:00,044 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 241 transitions. [2020-07-20 01:05:00,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:05:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 241 transitions. [2020-07-20 01:05:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 01:05:00,045 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:00,046 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] [2020-07-20 01:05:00,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:05:00,046 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:00,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:00,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1801013738, now seen corresponding path program 1 times [2020-07-20 01:05:00,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:00,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509449360] [2020-07-20 01:05:00,047 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:05:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,390 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:05:00,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509449360] [2020-07-20 01:05:00,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:00,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:00,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286766896] [2020-07-20 01:05:00,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:00,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:00,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:00,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:00,571 INFO L87 Difference]: Start difference. First operand 210 states and 241 transitions. Second operand 9 states. [2020-07-20 01:05:00,994 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:01,712 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:02,478 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:02,807 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:03,255 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:03,507 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:04,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:04,086 INFO L93 Difference]: Finished difference Result 434 states and 528 transitions. [2020-07-20 01:05:04,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:05:04,087 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-07-20 01:05:04,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:04,091 INFO L225 Difference]: With dead ends: 434 [2020-07-20 01:05:04,091 INFO L226 Difference]: Without dead ends: 252 [2020-07-20 01:05:04,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:05:04,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-07-20 01:05:04,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 209. [2020-07-20 01:05:04,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-20 01:05:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2020-07-20 01:05:04,140 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 91 [2020-07-20 01:05:04,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:04,141 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2020-07-20 01:05:04,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:04,141 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2020-07-20 01:05:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 01:05:04,142 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:04,143 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] [2020-07-20 01:05:04,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:05:04,143 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:04,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:04,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1999801536, now seen corresponding path program 1 times [2020-07-20 01:05:04,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:04,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652836496] [2020-07-20 01:05:04,144 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:05:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,426 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:04,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652836496] [2020-07-20 01:05:04,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:04,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:05:04,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39759272] [2020-07-20 01:05:04,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:05:04,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:04,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:05:04,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:05:04,582 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 9 states. [2020-07-20 01:05:05,606 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:05,875 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:06,167 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:06,404 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:07,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:07,110 INFO L93 Difference]: Finished difference Result 432 states and 522 transitions. [2020-07-20 01:05:07,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:05:07,115 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-20 01:05:07,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:07,120 INFO L225 Difference]: With dead ends: 432 [2020-07-20 01:05:07,120 INFO L226 Difference]: Without dead ends: 251 [2020-07-20 01:05:07,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:05:07,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-07-20 01:05:07,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 214. [2020-07-20 01:05:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-07-20 01:05:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 243 transitions. [2020-07-20 01:05:07,181 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 243 transitions. Word has length 92 [2020-07-20 01:05:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:07,182 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 243 transitions. [2020-07-20 01:05:07,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:05:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 243 transitions. [2020-07-20 01:05:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 01:05:07,183 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:07,184 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] [2020-07-20 01:05:07,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:05:07,184 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:07,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:07,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1298201662, now seen corresponding path program 1 times [2020-07-20 01:05:07,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:07,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741046622] [2020-07-20 01:05:07,185 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:05:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,452 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:07,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741046622] [2020-07-20 01:05:07,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:07,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:05:07,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338461324] [2020-07-20 01:05:07,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:05:07,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:07,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:05:07,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:05:07,641 INFO L87 Difference]: Start difference. First operand 214 states and 243 transitions. Second operand 11 states. [2020-07-20 01:05:08,428 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:08,756 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:08,972 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:09,641 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:09,879 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:10,118 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:10,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:10,992 INFO L93 Difference]: Finished difference Result 444 states and 542 transitions. [2020-07-20 01:05:10,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:05:10,993 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-20 01:05:10,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:10,996 INFO L225 Difference]: With dead ends: 444 [2020-07-20 01:05:10,997 INFO L226 Difference]: Without dead ends: 258 [2020-07-20 01:05:10,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:05:10,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-07-20 01:05:11,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 218. [2020-07-20 01:05:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-20 01:05:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 247 transitions. [2020-07-20 01:05:11,048 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 247 transitions. Word has length 92 [2020-07-20 01:05:11,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:11,049 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 247 transitions. [2020-07-20 01:05:11,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:05:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 247 transitions. [2020-07-20 01:05:11,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 01:05:11,050 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:11,050 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] [2020-07-20 01:05:11,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:05:11,051 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:11,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:11,051 INFO L82 PathProgramCache]: Analyzing trace with hash 427279235, now seen corresponding path program 1 times [2020-07-20 01:05:11,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:11,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539628308] [2020-07-20 01:05:11,052 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:05:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,304 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:11,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539628308] [2020-07-20 01:05:11,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:11,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:05:11,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433364896] [2020-07-20 01:05:11,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:05:11,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:11,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:05:11,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:05:11,444 INFO L87 Difference]: Start difference. First operand 218 states and 247 transitions. Second operand 7 states. [2020-07-20 01:05:11,893 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:12,402 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:14,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:14,078 INFO L93 Difference]: Finished difference Result 613 states and 766 transitions. [2020-07-20 01:05:14,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:05:14,079 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-07-20 01:05:14,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:14,083 INFO L225 Difference]: With dead ends: 613 [2020-07-20 01:05:14,083 INFO L226 Difference]: Without dead ends: 423 [2020-07-20 01:05:14,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:05:14,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-20 01:05:14,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 385. [2020-07-20 01:05:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-07-20 01:05:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 451 transitions. [2020-07-20 01:05:14,155 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 451 transitions. Word has length 92 [2020-07-20 01:05:14,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:14,155 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 451 transitions. [2020-07-20 01:05:14,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:05:14,156 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 451 transitions. [2020-07-20 01:05:14,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 01:05:14,157 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:14,157 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] [2020-07-20 01:05:14,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:05:14,158 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:14,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:14,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1298280163, now seen corresponding path program 1 times [2020-07-20 01:05:14,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:14,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447699234] [2020-07-20 01:05:14,159 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:05:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,481 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 01:05:14,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447699234] [2020-07-20 01:05:14,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:05:14,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:05:14,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790135372] [2020-07-20 01:05:14,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:05:14,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:14,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:05:14,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:05:14,720 INFO L87 Difference]: Start difference. First operand 385 states and 451 transitions. Second operand 12 states. [2020-07-20 01:05:15,397 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:16,046 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:17,000 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:17,304 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:17,542 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:17,802 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:18,071 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:19,258 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:19,601 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:20,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:20,201 INFO L93 Difference]: Finished difference Result 1059 states and 1322 transitions. [2020-07-20 01:05:20,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:05:20,204 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-07-20 01:05:20,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:20,209 INFO L225 Difference]: With dead ends: 1059 [2020-07-20 01:05:20,209 INFO L226 Difference]: Without dead ends: 772 [2020-07-20 01:05:20,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:05:20,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-07-20 01:05:20,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 662. [2020-07-20 01:05:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-07-20 01:05:20,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 768 transitions. [2020-07-20 01:05:20,349 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 768 transitions. Word has length 96 [2020-07-20 01:05:20,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:20,352 INFO L479 AbstractCegarLoop]: Abstraction has 662 states and 768 transitions. [2020-07-20 01:05:20,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:05:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 768 transitions. [2020-07-20 01:05:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 01:05:20,358 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:20,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:05:20,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 01:05:20,359 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:20,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:20,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1033047505, now seen corresponding path program 1 times [2020-07-20 01:05:20,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:20,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628488911] [2020-07-20 01:05:20,360 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:05:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,717 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:21,024 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 01:05:21,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628488911] [2020-07-20 01:05:21,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374304853] [2020-07-20 01:05:21,025 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@26dd2666 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:05:21,734 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@26dd2666 issued 4 check-sat command(s) [2020-07-20 01:05:21,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:21,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:05:21,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:05:22,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:22,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:05:22,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163434557] [2020-07-20 01:05:22,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:05:22,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:22,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:05:22,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:05:22,045 INFO L87 Difference]: Start difference. First operand 662 states and 768 transitions. Second operand 20 states. [2020-07-20 01:05:22,891 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:23,280 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:05:23,575 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:05:23,854 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:05:24,513 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-20 01:05:24,819 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:05:25,251 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-20 01:05:25,968 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:26,344 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-20 01:05:27,218 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:27,518 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:05:27,797 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:28,100 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:05:28,685 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:29,139 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:05:29,523 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:30,227 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:05:30,509 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:31,089 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:31,621 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:31,926 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:05:32,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:32,206 INFO L93 Difference]: Finished difference Result 1455 states and 1749 transitions. [2020-07-20 01:05:32,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-20 01:05:32,207 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 155 [2020-07-20 01:05:32,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:32,212 INFO L225 Difference]: With dead ends: 1455 [2020-07-20 01:05:32,212 INFO L226 Difference]: Without dead ends: 887 [2020-07-20 01:05:32,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=782, Invalid=3250, Unknown=0, NotChecked=0, Total=4032 [2020-07-20 01:05:32,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-07-20 01:05:32,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 792. [2020-07-20 01:05:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-07-20 01:05:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 927 transitions. [2020-07-20 01:05:32,369 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 927 transitions. Word has length 155 [2020-07-20 01:05:32,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:32,370 INFO L479 AbstractCegarLoop]: Abstraction has 792 states and 927 transitions. [2020-07-20 01:05:32,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:05:32,370 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 927 transitions. [2020-07-20 01:05:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-07-20 01:05:32,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:32,375 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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] [2020-07-20 01:05:32,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:05:32,591 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:32,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:32,592 INFO L82 PathProgramCache]: Analyzing trace with hash 927207093, now seen corresponding path program 1 times [2020-07-20 01:05:32,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:32,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761129722] [2020-07-20 01:05:32,594 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:05:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:32,968 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:33,552 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 77 proven. 31 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2020-07-20 01:05:33,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761129722] [2020-07-20 01:05:33,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478368335] [2020-07-20 01:05:33,553 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@46f72b80 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:05:34,323 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@46f72b80 issued 3 check-sat command(s) [2020-07-20 01:05:34,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:34,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:05:34,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 199 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-20 01:05:34,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:34,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-07-20 01:05:34,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124312338] [2020-07-20 01:05:34,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-20 01:05:34,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:34,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-20 01:05:34,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-20 01:05:34,676 INFO L87 Difference]: Start difference. First operand 792 states and 927 transitions. Second operand 25 states. [2020-07-20 01:05:35,818 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:05:36,868 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:37,617 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:38,559 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-20 01:05:39,079 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-20 01:05:39,601 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-20 01:05:39,841 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:40,160 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:40,413 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:43,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:43,987 INFO L93 Difference]: Finished difference Result 1904 states and 2521 transitions. [2020-07-20 01:05:43,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-20 01:05:43,988 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 273 [2020-07-20 01:05:43,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:43,996 INFO L225 Difference]: With dead ends: 1904 [2020-07-20 01:05:43,997 INFO L226 Difference]: Without dead ends: 1159 [2020-07-20 01:05:44,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 376 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=669, Invalid=3113, Unknown=0, NotChecked=0, Total=3782 [2020-07-20 01:05:44,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2020-07-20 01:05:44,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 834. [2020-07-20 01:05:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-07-20 01:05:44,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 969 transitions. [2020-07-20 01:05:44,178 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 969 transitions. Word has length 273 [2020-07-20 01:05:44,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:44,178 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 969 transitions. [2020-07-20 01:05:44,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-20 01:05:44,179 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 969 transitions. [2020-07-20 01:05:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-07-20 01:05:44,184 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:44,184 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-20 01:05:44,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:05:44,400 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:44,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:44,401 INFO L82 PathProgramCache]: Analyzing trace with hash -213281005, now seen corresponding path program 1 times [2020-07-20 01:05:44,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:44,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644439752] [2020-07-20 01:05:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:05:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,721 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:45,126 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 89 proven. 40 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2020-07-20 01:05:45,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644439752] [2020-07-20 01:05:45,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591580546] [2020-07-20 01:05:45,128 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d54cdf No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:05:45,567 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d54cdf issued 3 check-sat command(s) [2020-07-20 01:05:45,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:45,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 01:05:45,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 233 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-20 01:05:45,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:45,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-20 01:05:45,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049861500] [2020-07-20 01:05:45,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:05:45,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:45,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:05:45,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:05:45,799 INFO L87 Difference]: Start difference. First operand 834 states and 969 transitions. Second operand 22 states. [2020-07-20 01:05:46,572 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-20 01:05:47,160 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:05:47,659 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:05:48,124 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:05:49,074 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:05:49,874 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:05:50,455 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:05:50,935 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:05:51,507 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:52,291 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:52,545 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:53,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:05:53,004 INFO L93 Difference]: Finished difference Result 1625 states and 1956 transitions. [2020-07-20 01:05:53,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-20 01:05:53,009 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 285 [2020-07-20 01:05:53,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:05:53,016 INFO L225 Difference]: With dead ends: 1625 [2020-07-20 01:05:53,016 INFO L226 Difference]: Without dead ends: 904 [2020-07-20 01:05:53,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-20 01:05:53,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-07-20 01:05:53,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 834. [2020-07-20 01:05:53,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-07-20 01:05:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 966 transitions. [2020-07-20 01:05:53,173 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 966 transitions. Word has length 285 [2020-07-20 01:05:53,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:05:53,173 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 966 transitions. [2020-07-20 01:05:53,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:05:53,174 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 966 transitions. [2020-07-20 01:05:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-07-20 01:05:53,179 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:05:53,180 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-20 01:05:53,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-20 01:05:53,393 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:05:53,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:05:53,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1430699059, now seen corresponding path program 1 times [2020-07-20 01:05:53,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:05:53,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162125345] [2020-07-20 01:05:53,395 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:05:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,697 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:05:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:05:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 72 proven. 11 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-07-20 01:05:54,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162125345] [2020-07-20 01:05:54,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017535689] [2020-07-20 01:05:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@9d8922c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:05:54,731 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@9d8922c issued 4 check-sat command(s) [2020-07-20 01:05:54,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:05:54,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-20 01:05:54,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:05:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-07-20 01:05:55,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:05:55,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-20 01:05:55,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377912254] [2020-07-20 01:05:55,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 01:05:55,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:05:55,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 01:05:55,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-20 01:05:55,034 INFO L87 Difference]: Start difference. First operand 834 states and 966 transitions. Second operand 22 states. [2020-07-20 01:05:55,647 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:56,420 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:05:56,734 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:05:57,110 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:00,418 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:00,721 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:00,998 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:01,262 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:01,783 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:06:02,097 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:02,609 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-20 01:06:02,873 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:06:03,400 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:06:03,896 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:06:04,771 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:06:05,097 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:06:05,421 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:05,717 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:05,996 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:06:06,261 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:06,779 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:07,058 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:07,561 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:06:07,824 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:06:08,351 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:06:08,881 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-20 01:06:13,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:13,000 INFO L93 Difference]: Finished difference Result 3085 states and 3977 transitions. [2020-07-20 01:06:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-07-20 01:06:13,001 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 286 [2020-07-20 01:06:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:13,014 INFO L225 Difference]: With dead ends: 3085 [2020-07-20 01:06:13,014 INFO L226 Difference]: Without dead ends: 2287 [2020-07-20 01:06:13,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 392 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3455 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1879, Invalid=8423, Unknown=0, NotChecked=0, Total=10302 [2020-07-20 01:06:13,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2020-07-20 01:06:13,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 1829. [2020-07-20 01:06:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1829 states. [2020-07-20 01:06:13,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2081 transitions. [2020-07-20 01:06:13,468 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2081 transitions. Word has length 286 [2020-07-20 01:06:13,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:13,469 INFO L479 AbstractCegarLoop]: Abstraction has 1829 states and 2081 transitions. [2020-07-20 01:06:13,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 01:06:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2081 transitions. [2020-07-20 01:06:13,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-20 01:06:13,476 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:06:13,476 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:06:13,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:13,691 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:06:13,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:06:13,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1059761089, now seen corresponding path program 1 times [2020-07-20 01:06:13,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:06:13,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420482386] [2020-07-20 01:06:13,693 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb75ee0 [2020-07-20 01:06:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,107 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:06:14,984 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 108 proven. 91 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-07-20 01:06:14,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420482386] [2020-07-20 01:06:14,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508973220] [2020-07-20 01:06:14,986 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b01f8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:06:15,415 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10b01f8 issued 4 check-sat command(s) [2020-07-20 01:06:15,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:06:15,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-20 01:06:15,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:06:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 288 proven. 12 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-07-20 01:06:15,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:06:15,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 15] total 31 [2020-07-20 01:06:15,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840201078] [2020-07-20 01:06:15,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-20 01:06:15,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:06:15,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-20 01:06:15,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2020-07-20 01:06:15,728 INFO L87 Difference]: Start difference. First operand 1829 states and 2081 transitions. Second operand 31 states. [2020-07-20 01:06:16,893 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-07-20 01:06:17,940 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-07-20 01:06:19,606 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:20,144 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:20,635 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:21,103 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-20 01:06:21,606 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-07-20 01:06:22,074 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-07-20 01:06:24,267 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-07-20 01:06:25,184 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:25,680 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:26,157 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-20 01:06:27,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:06:27,582 INFO L93 Difference]: Finished difference Result 2997 states and 3513 transitions. [2020-07-20 01:06:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-20 01:06:27,582 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 358 [2020-07-20 01:06:27,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:06:27,584 INFO L225 Difference]: With dead ends: 2997 [2020-07-20 01:06:27,585 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:06:27,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 482 SyntacticMatches, 9 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1418 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=853, Invalid=4403, Unknown=0, NotChecked=0, Total=5256 [2020-07-20 01:06:27,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:06:27,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:06:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:06:27,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:06:27,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2020-07-20 01:06:27,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:06:27,595 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:06:27,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-20 01:06:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:06:27,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:06:27,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-20 01:06:27,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:06:31,200 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 350 [2020-07-20 01:06:32,486 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-07-20 01:06:37,852 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 414 [2020-07-20 01:06:38,640 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-07-20 01:06:38,780 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-07-20 01:06:41,881 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 518 DAG size of output: 445 [2020-07-20 01:06:43,324 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 343 [2020-07-20 01:06:47,021 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 208 DAG size of output: 31 [2020-07-20 01:06:47,262 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-20 01:06:47,665 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-20 01:06:49,483 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 204 DAG size of output: 36 [2020-07-20 01:06:50,342 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 32 [2020-07-20 01:06:50,511 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-20 01:06:52,315 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 195 DAG size of output: 29 [2020-07-20 01:06:53,308 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 37 [2020-07-20 01:06:53,476 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-20 01:06:54,625 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 195 DAG size of output: 37 [2020-07-20 01:06:54,816 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-20 01:06:55,027 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:06:56,432 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 137 DAG size of output: 57 [2020-07-20 01:06:59,786 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 42 [2020-07-20 01:06:59,956 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-20 01:07:00,404 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-07-20 01:07:03,015 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 229 DAG size of output: 38 [2020-07-20 01:07:04,260 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 182 DAG size of output: 35 [2020-07-20 01:07:04,845 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 17 [2020-07-20 01:07:07,216 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 200 DAG size of output: 37 [2020-07-20 01:07:08,921 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 314 DAG size of output: 40 [2020-07-20 01:07:11,981 WARN L193 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 244 DAG size of output: 34 [2020-07-20 01:07:12,156 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-20 01:07:13,547 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 214 DAG size of output: 34 [2020-07-20 01:07:15,467 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 204 DAG size of output: 34 [2020-07-20 01:07:17,487 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 203 DAG size of output: 26 [2020-07-20 01:07:17,736 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-20 01:07:17,976 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-20 01:07:18,182 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-20 01:07:18,404 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-20 01:07:20,459 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 340 DAG size of output: 35 [2020-07-20 01:07:21,750 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 216 DAG size of output: 31 [2020-07-20 01:07:21,969 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-20 01:07:22,547 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 43 [2020-07-20 01:07:23,548 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 46 [2020-07-20 01:07:23,725 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-20 01:07:24,554 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 37 [2020-07-20 01:07:24,780 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-20 01:07:24,982 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-20 01:07:25,210 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-20 01:07:26,465 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 194 DAG size of output: 36 [2020-07-20 01:07:27,418 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2020-07-20 01:07:28,578 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 190 DAG size of output: 32 [2020-07-20 01:07:28,796 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-20 01:07:28,988 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-20 01:07:29,167 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2020-07-20 01:07:29,357 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-20 01:07:29,363 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-07-20 01:07:29,363 INFO L268 CegarLoopResult]: For program point L670-1(lines 670 674) no Hoare annotation was computed. [2020-07-20 01:07:29,363 INFO L268 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-07-20 01:07:29,363 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 685) no Hoare annotation was computed. [2020-07-20 01:07:29,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 639 694) no Hoare annotation was computed. [2020-07-20 01:07:29,363 INFO L268 CegarLoopResult]: For program point L686(lines 663 687) no Hoare annotation was computed. [2020-07-20 01:07:29,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 639 694) no Hoare annotation was computed. [2020-07-20 01:07:29,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 639 694) no Hoare annotation was computed. [2020-07-20 01:07:29,364 INFO L268 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-07-20 01:07:29,364 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 731) no Hoare annotation was computed. [2020-07-20 01:07:29,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 695 754) no Hoare annotation was computed. [2020-07-20 01:07:29,364 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-07-20 01:07:29,364 INFO L268 CegarLoopResult]: For program point L721-2(lines 721 746) no Hoare annotation was computed. [2020-07-20 01:07:29,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 695 754) no Hoare annotation was computed. [2020-07-20 01:07:29,365 INFO L268 CegarLoopResult]: For program point L747(lines 720 748) no Hoare annotation was computed. [2020-07-20 01:07:29,365 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 695 754) no Hoare annotation was computed. [2020-07-20 01:07:29,365 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-07-20 01:07:29,365 INFO L268 CegarLoopResult]: For program point L740-1(line 740) no Hoare annotation was computed. [2020-07-20 01:07:29,365 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 570 576) the Hoare annotation is: true [2020-07-20 01:07:29,365 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 570 576) no Hoare annotation was computed. [2020-07-20 01:07:29,365 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 577 585) no Hoare annotation was computed. [2020-07-20 01:07:29,365 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 577 585) the Hoare annotation is: true [2020-07-20 01:07:29,365 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 577 585) no Hoare annotation was computed. [2020-07-20 01:07:29,366 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 144 151) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 144 151) no Hoare annotation was computed. [2020-07-20 01:07:29,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 144 151) no Hoare annotation was computed. [2020-07-20 01:07:29,366 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 152 161) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse6 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or (not (<= ~waterLevel~0 2)) .cse1 (not (<= 2 ~waterLevel~0)) .cse5 .cse3) (or .cse6 .cse1 .cse5 .cse4 .cse3) (or .cse0 .cse6 .cse1 .cse5 .cse3))) [2020-07-20 01:07:29,366 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 01:07:29,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 152 161) no Hoare annotation was computed. [2020-07-20 01:07:29,366 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 152 161) no Hoare annotation was computed. [2020-07-20 01:07:29,367 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse7 (not (= 0 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse2 .cse7 .cse3) (or .cse8 .cse4 .cse5 .cse6 .cse3) (or .cse8 .cse2 .cse3))) [2020-07-20 01:07:29,367 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 162 190) the Hoare annotation is: true [2020-07-20 01:07:29,367 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-07-20 01:07:29,367 INFO L268 CegarLoopResult]: For program point L174(lines 174 184) no Hoare annotation was computed. [2020-07-20 01:07:29,367 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse9 (not (= 0 ~waterLevel~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse5 .cse7 .cse8 .cse4 .cse9 .cse3) (or .cse5 .cse2 .cse9 .cse3) (or .cse5 .cse6 .cse7 .cse8 .cse4 .cse3))) [2020-07-20 01:07:29,367 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 162 190) no Hoare annotation was computed. [2020-07-20 01:07:29,367 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-20 01:07:29,367 INFO L268 CegarLoopResult]: For program point L170(lines 170 187) no Hoare annotation was computed. [2020-07-20 01:07:29,368 INFO L268 CegarLoopResult]: For program point L170-1(lines 162 190) no Hoare annotation was computed. [2020-07-20 01:07:29,368 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-07-20 01:07:29,368 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-20 01:07:29,368 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,368 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~1) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,368 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~1) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,368 INFO L268 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed. [2020-07-20 01:07:29,368 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2020-07-20 01:07:29,369 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2020-07-20 01:07:29,369 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-07-20 01:07:29,369 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,369 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,369 INFO L264 CegarLoopResult]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,369 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2020-07-20 01:07:29,369 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-07-20 01:07:29,369 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-07-20 01:07:29,370 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-07-20 01:07:29,370 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-07-20 01:07:29,370 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-07-20 01:07:29,370 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-07-20 01:07:29,370 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-20 01:07:29,370 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-07-20 01:07:29,370 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-07-20 01:07:29,370 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-20 01:07:29,370 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-07-20 01:07:29,371 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-07-20 01:07:29,371 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-20 01:07:29,371 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-20 01:07:29,371 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-20 01:07:29,371 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-07-20 01:07:29,371 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-07-20 01:07:29,371 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2020-07-20 01:07:29,371 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2020-07-20 01:07:29,371 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 422 430) no Hoare annotation was computed. [2020-07-20 01:07:29,372 INFO L268 CegarLoopResult]: For program point L450-2(lines 450 458) no Hoare annotation was computed. [2020-07-20 01:07:29,372 INFO L268 CegarLoopResult]: For program point L438(lines 438 446) no Hoare annotation was computed. [2020-07-20 01:07:29,372 INFO L268 CegarLoopResult]: For program point L438-2(lines 438 446) no Hoare annotation was computed. [2020-07-20 01:07:29,372 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 431 466) no Hoare annotation was computed. [2020-07-20 01:07:29,372 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 01:07:29,372 INFO L268 CegarLoopResult]: For program point L461-1(line 461) no Hoare annotation was computed. [2020-07-20 01:07:29,372 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 431 466) no Hoare annotation was computed. [2020-07-20 01:07:29,372 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 431 466) no Hoare annotation was computed. [2020-07-20 01:07:29,372 INFO L268 CegarLoopResult]: For program point L450(lines 450 458) no Hoare annotation was computed. [2020-07-20 01:07:29,372 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 563 569) no Hoare annotation was computed. [2020-07-20 01:07:29,373 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 563 569) the Hoare annotation is: true [2020-07-20 01:07:29,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 593 638) no Hoare annotation was computed. [2020-07-20 01:07:29,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 593 638) no Hoare annotation was computed. [2020-07-20 01:07:29,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 593 638) no Hoare annotation was computed. [2020-07-20 01:07:29,373 INFO L268 CegarLoopResult]: For program point L926(lines 926 933) no Hoare annotation was computed. [2020-07-20 01:07:29,373 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 906 951) no Hoare annotation was computed. [2020-07-20 01:07:29,373 INFO L268 CegarLoopResult]: For program point L920(lines 920 940) no Hoare annotation was computed. [2020-07-20 01:07:29,373 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 940) no Hoare annotation was computed. [2020-07-20 01:07:29,373 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 906 951) no Hoare annotation was computed. [2020-07-20 01:07:29,373 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 906 951) no Hoare annotation was computed. [2020-07-20 01:07:29,374 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,374 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2020-07-20 01:07:29,374 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2020-07-20 01:07:29,374 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,374 INFO L271 CegarLoopResult]: At program point L416(line 416) the Hoare annotation is: true [2020-07-20 01:07:29,374 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2020-07-20 01:07:29,374 INFO L268 CegarLoopResult]: For program point L416-1(line 416) no Hoare annotation was computed. [2020-07-20 01:07:29,374 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2020-07-20 01:07:29,375 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 411 421) no Hoare annotation was computed. [2020-07-20 01:07:29,375 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 0 ~waterLevel~0)) .cse4))) [2020-07-20 01:07:29,375 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2020-07-20 01:07:29,375 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 403 410) no Hoare annotation was computed. [2020-07-20 01:07:29,375 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-20 01:07:29,375 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-20 01:07:29,375 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-20 01:07:29,375 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-20 01:07:29,376 INFO L264 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~3))) (.cse3 (not (= 0 ~waterLevel~0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse4) (or .cse6 .cse1 .cse7 .cse2 .cse4) (or .cse5 .cse3 .cse4) (or .cse6 .cse5 .cse4) (or .cse1 .cse7 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse1 .cse2 .cse4))) [2020-07-20 01:07:29,376 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.cse3 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse6 .cse4) (or .cse1 .cse2 .cse7 .cse6 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4))) [2020-07-20 01:07:29,376 INFO L268 CegarLoopResult]: For program point L378(lines 378 386) no Hoare annotation was computed. [2020-07-20 01:07:29,376 INFO L264 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse4) (or .cse5 .cse3 .cse4) (or .cse6 .cse5 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse4))) [2020-07-20 01:07:29,376 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-20 01:07:29,376 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 370 394) no Hoare annotation was computed. [2020-07-20 01:07:29,376 INFO L268 CegarLoopResult]: For program point L374(lines 374 391) no Hoare annotation was computed. [2020-07-20 01:07:29,377 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 370 394) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse6 .cse4) (or .cse7 .cse5 .cse6 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse4))) [2020-07-20 01:07:29,377 INFO L264 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (let ((.cse4 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse4 .cse5 .cse6 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse6 .cse3 .cse2))) [2020-07-20 01:07:29,377 INFO L268 CegarLoopResult]: For program point L389-1(lines 370 394) no Hoare annotation was computed. [2020-07-20 01:07:29,377 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 336 342) no Hoare annotation was computed. [2020-07-20 01:07:29,377 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 336 342) the Hoare annotation is: true [2020-07-20 01:07:29,377 INFO L264 CegarLoopResult]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,377 INFO L264 CegarLoopResult]: At program point L543(lines 496 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,378 INFO L268 CegarLoopResult]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2020-07-20 01:07:29,378 INFO L268 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2020-07-20 01:07:29,378 INFO L264 CegarLoopResult]: At program point L533-2(lines 527 538) the Hoare annotation is: (let ((.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse7 .cse5) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse0 .cse2 .cse5) (and .cse0 .cse1 .cse3 .cse6) (and .cse0 .cse7 .cse1 .cse3) (not .cse3))) [2020-07-20 01:07:29,378 INFO L268 CegarLoopResult]: For program point L498(lines 497 542) no Hoare annotation was computed. [2020-07-20 01:07:29,378 INFO L268 CegarLoopResult]: For program point L527(lines 527 538) no Hoare annotation was computed. [2020-07-20 01:07:29,378 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse3) (and .cse0 .cse7 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse5 .cse0 .cse6 .cse8) (and .cse0 .cse1 .cse3 .cse8) (not .cse3))) [2020-07-20 01:07:29,378 INFO L268 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2020-07-20 01:07:29,378 INFO L268 CegarLoopResult]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2020-07-20 01:07:29,379 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (= 0 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse3) (and .cse0 .cse7 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse3 .cse8) (and .cse4 .cse5 .cse0 .cse6 .cse8) (not .cse3))) [2020-07-20 01:07:29,379 INFO L264 CegarLoopResult]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse3) (and .cse0 .cse7 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse5 .cse0 .cse6 .cse8) (and .cse0 .cse1 .cse3 .cse8) (not .cse3))) [2020-07-20 01:07:29,379 INFO L268 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2020-07-20 01:07:29,379 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2020-07-20 01:07:29,379 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-07-20 01:07:29,379 INFO L268 CegarLoopResult]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2020-07-20 01:07:29,379 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 860 905) no Hoare annotation was computed. [2020-07-20 01:07:29,379 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 860 905) no Hoare annotation was computed. [2020-07-20 01:07:29,379 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 860 905) no Hoare annotation was computed. [2020-07-20 01:07:29,380 INFO L268 CegarLoopResult]: For program point L880(lines 880 887) no Hoare annotation was computed. [2020-07-20 01:07:29,380 INFO L268 CegarLoopResult]: For program point L874(lines 874 894) no Hoare annotation was computed. [2020-07-20 01:07:29,380 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2020-07-20 01:07:29,380 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-20 01:07:29,380 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-20 01:07:29,380 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-20 01:07:29,380 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-20 01:07:29,380 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-20 01:07:29,380 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 553 562) no Hoare annotation was computed. [2020-07-20 01:07:29,381 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 553 562) no Hoare annotation was computed. [2020-07-20 01:07:29,381 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 553 562) no Hoare annotation was computed. [2020-07-20 01:07:29,381 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 757 859) no Hoare annotation was computed. [2020-07-20 01:07:29,381 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 01:07:29,381 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-07-20 01:07:29,381 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-07-20 01:07:29,381 INFO L268 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-07-20 01:07:29,381 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-07-20 01:07:29,381 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 757 859) no Hoare annotation was computed. [2020-07-20 01:07:29,381 INFO L268 CegarLoopResult]: For program point L806-2(lines 806 826) no Hoare annotation was computed. [2020-07-20 01:07:29,382 INFO L268 CegarLoopResult]: For program point L827(lines 805 828) no Hoare annotation was computed. [2020-07-20 01:07:29,382 INFO L268 CegarLoopResult]: For program point L786(lines 786 802) no Hoare annotation was computed. [2020-07-20 01:07:29,382 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 757 859) no Hoare annotation was computed. [2020-07-20 01:07:29,382 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-07-20 01:07:29,382 INFO L268 CegarLoopResult]: For program point L807(lines 806 826) no Hoare annotation was computed. [2020-07-20 01:07:29,382 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-20 01:07:29,382 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-20 01:07:29,382 INFO L268 CegarLoopResult]: For program point L803(lines 803 844) no Hoare annotation was computed. [2020-07-20 01:07:29,382 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:07:29,383 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:07:29,383 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:07:29,383 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 395 402) no Hoare annotation was computed. [2020-07-20 01:07:29,383 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 395 402) no Hoare annotation was computed. [2020-07-20 01:07:29,383 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 395 402) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:07:29,383 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-20 01:07:29,384 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-20 01:07:29,384 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-20 01:07:29,384 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2020-07-20 01:07:29,384 INFO L268 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-07-20 01:07:29,384 INFO L271 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: true [2020-07-20 01:07:29,384 INFO L268 CegarLoopResult]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2020-07-20 01:07:29,384 INFO L268 CegarLoopResult]: For program point L474-1(line 474) no Hoare annotation was computed. [2020-07-20 01:07:29,384 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2020-07-20 01:07:29,384 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2020-07-20 01:07:29,384 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-20 01:07:29,385 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse4 (not (= 0 ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (<= ~waterLevel~0 2)) .cse0 (not (<= 2 ~waterLevel~0)) .cse3 .cse2) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse5 .cse6 .cse3 .cse4 .cse2) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse0 .cse5 .cse6 .cse3 .cse2))) [2020-07-20 01:07:29,385 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-20 01:07:29,385 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:07:29,385 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:07:29,385 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:07:29,385 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-20 01:07:29,385 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-20 01:07:29,385 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-20 01:07:29,385 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 |old(~waterLevel~0)|))) (.cse1 (and .cse7 .cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or (not (= 2 |old(~waterLevel~0)|)) .cse3 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse5 .cse2) (or .cse6 .cse0 (and .cse7 .cse8 (= 0 ~waterLevel~0)) .cse5 .cse2) (or .cse6 .cse0 .cse4 .cse1 .cse2)))) [2020-07-20 01:07:29,385 INFO L268 CegarLoopResult]: For program point L316(lines 312 334) no Hoare annotation was computed. [2020-07-20 01:07:29,385 INFO L268 CegarLoopResult]: For program point L314(lines 312 334) no Hoare annotation was computed. [2020-07-20 01:07:29,386 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 309 335) the Hoare annotation is: (let ((.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 0 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9)) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (and (= 0 ~pumpRunning~0) .cse8 .cse9)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse1 .cse2 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 (not (= 2 |old(~waterLevel~0)|)) .cse6 .cse4)))) [2020-07-20 01:07:29,386 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 309 335) no Hoare annotation was computed. [2020-07-20 01:07:29,386 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 309 335) no Hoare annotation was computed. [2020-07-20 01:07:29,386 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 0 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0))) (let ((.cse0 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~waterLevel~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse8 .cse9 .cse5)) (.cse6 (not (= 0 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (and .cse4 .cse5) .cse6 .cse3) (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse3) (or .cse7 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and .cse8 .cse9 (= 1 ~waterLevel~0)) .cse3) (or .cse10 .cse7 .cse11 .cse2 .cse3) (or .cse10 .cse7 .cse11 .cse6 .cse3)))) [2020-07-20 01:07:29,386 INFO L264 CegarLoopResult]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse14 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse17 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= 0 ~waterLevel~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and .cse0 .cse17 .cse6)) (.cse7 (not (= 0 |old(~waterLevel~0)|))) (.cse12 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (= 1 ~waterLevel~0)) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse13 (not .cse9)) (.cse16 (and .cse14 .cse15 .cse6)) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse5) (and .cse5 (<= 1 ~pumpRunning~0)) .cse2 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) .cse4)) (or .cse2 (and .cse0 .cse6) .cse7 .cse4) (or .cse8 .cse9 .cse10 .cse3 .cse11 .cse4) (or .cse8 .cse9 .cse10 .cse11 .cse7 .cse4) (or .cse10 .cse12 .cse13 (and .cse14 .cse15 .cse1) .cse4) (or .cse8 .cse10 .cse13 .cse16 .cse7 .cse4) (or .cse9 .cse10 .cse12 (and .cse0 .cse17 .cse1) .cse4) (or .cse8 .cse10 .cse13 .cse16 .cse3 .cse4)))) [2020-07-20 01:07:29,386 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-07-20 01:07:29,387 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-07-20 01:07:29,387 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-07-20 01:07:29,387 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-20 01:07:29,387 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-07-20 01:07:29,387 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-07-20 01:07:29,387 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-20 01:07:29,387 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-07-20 01:07:29,387 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-07-20 01:07:29,387 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-07-20 01:07:29,387 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse1 .cse2 (not (= 0 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 01:07:29,388 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-20 01:07:29,388 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-20 01:07:29,388 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-07-20 01:07:29,388 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-07-20 01:07:29,388 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:07:29,388 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:07:29,388 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:07:29,388 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:07:29,389 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 344 368) the Hoare annotation is: (let ((.cse4 (not (= 0 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or (not (= 2 ~waterLevel~0)) .cse6 .cse7 .cse5) (or .cse8 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse8 .cse6 .cse7 .cse5))) [2020-07-20 01:07:29,389 INFO L268 CegarLoopResult]: For program point L352(lines 352 360) no Hoare annotation was computed. [2020-07-20 01:07:29,389 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse4 .cse5 .cse6 .cse3 .cse2) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse4 .cse5 .cse6 .cse2))) [2020-07-20 01:07:29,389 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-07-20 01:07:29,389 INFO L268 CegarLoopResult]: For program point L348(lines 348 365) no Hoare annotation was computed. [2020-07-20 01:07:29,389 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 344 368) no Hoare annotation was computed. [2020-07-20 01:07:29,389 INFO L264 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~waterLevel~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= 2 ~waterLevel~0)) .cse6 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse4 .cse5) (or .cse7 .cse6 .cse5))) [2020-07-20 01:07:29,389 INFO L268 CegarLoopResult]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2020-07-20 01:07:29,389 INFO L264 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: (let ((.cse5 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~waterLevel~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not (= 2 ~waterLevel~0)) .cse6 .cse4) (or .cse5 .cse7 .cse6 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse4))) [2020-07-20 01:07:29,389 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 (= 0 ~pumpRunning~0) .cse4) (or .cse5 .cse3 .cse4) (or .cse6 .cse5 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse4))) [2020-07-20 01:07:29,389 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-20 01:07:29,390 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-20 01:07:29,390 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~waterLevel~0)|))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse7 .cse3) (or .cse8 .cse0 .cse6 .cse9 .cse3) (or .cse8 .cse0 .cse1 .cse9 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2 .cse3) (or .cse0 .cse1 .cse7 .cse3))) [2020-07-20 01:07:29,390 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 295 302) no Hoare annotation was computed. [2020-07-20 01:07:29,390 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2020-07-20 01:07:29,390 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 295 302) the Hoare annotation is: true [2020-07-20 01:07:29,390 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 295 302) no Hoare annotation was computed. [2020-07-20 01:07:29,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:07:29 BoogieIcfgContainer [2020-07-20 01:07:29,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:07:29,410 INFO L168 Benchmark]: Toolchain (without parser) took 161460.08 ms. Allocated memory was 135.8 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 99.2 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-20 01:07:29,411 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 01:07:29,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.10 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 168.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:07:29,411 INFO L168 Benchmark]: Boogie Preprocessor took 89.10 ms. Allocated memory is still 200.3 MB. Free memory was 168.2 MB in the beginning and 164.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:07:29,412 INFO L168 Benchmark]: RCFGBuilder took 1161.43 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 163.9 MB in the beginning and 194.6 MB in the end (delta: -30.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:07:29,412 INFO L168 Benchmark]: TraceAbstraction took 159543.76 ms. Allocated memory was 228.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 194.6 MB in the beginning and 1.1 GB in the end (delta: -923.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-20 01:07:29,414 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.10 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 168.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.10 ms. Allocated memory is still 200.3 MB. Free memory was 168.2 MB in the beginning and 164.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1161.43 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 163.9 MB in the beginning and 194.6 MB in the end (delta: -30.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 159543.76 ms. Allocated memory was 228.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 194.6 MB in the beginning and 1.1 GB in the end (delta: -923.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: 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: 496]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == waterLevel) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || ((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || ((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= pumpRunning) && 0 == waterLevel)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive) && 0 == waterLevel)) || !(1 == systemActive) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 97.8s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 81.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 61.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2351 SDtfs, 8476 SDslu, 4930 SDs, 0 SdLazy, 21742 SolverSat, 6212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2602 GetRequests, 2125 SyntacticMatches, 14 SemanticMatches, 463 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7808 ImplicationChecksByTransitivity, 45.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1829occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 1341 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2971 PreInvPairs, 3258 NumberOfFragments, 3254 HoareAnnotationTreeSize, 2971 FomulaSimplifications, 5262306698 FormulaSimplificationTreeSizeReduction, 16.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 49242484 FormulaSimplificationTreeSizeReductionInter, 44.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 3437 NumberOfCodeBlocks, 3302 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 3418 ConstructedInterpolants, 0 QuantifiedInterpolants, 1842043 SizeOfPredicates, 22 NumberOfNonLiveVariables, 5701 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 2719/2963 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...