/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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:08:41,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:08:41,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:08:41,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:08:41,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:08:41,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:08:41,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:08:41,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:08:41,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:08:41,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:08:41,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:08:41,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:08:41,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:08:41,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:08:41,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:08:41,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:08:41,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:08:41,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:08:41,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:08:41,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:08:41,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:08:41,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:08:41,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:08:41,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:08:41,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:08:41,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:08:41,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:08:41,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:08:41,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:08:41,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:08:41,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:08:41,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:08:41,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:08:41,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:08:41,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:08:41,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:08:41,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:08:41,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:08:41,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:08:41,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:08:41,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:08:41,393 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 01:08:41,409 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:08:41,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:08:41,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:08:41,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:08:41,411 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:08:41,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:08:41,412 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:08:41,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:08:41,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:08:41,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:08:41,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:08:41,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:08:41,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:08:41,413 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:08:41,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:08:41,413 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:08:41,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:08:41,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:08:41,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:08:41,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:08:41,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:08:41,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:08:41,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:08:41,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:08:41,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:08:41,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:08:41,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:08:41,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:08:41,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:08:41,416 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 01:08:41,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:08:41,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:08:41,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:08:41,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:08:41,746 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:08:41,748 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-20 01:08:41,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eabc63a41/8feb509c57e745ea917bf6ef9c21df91/FLAG2ac6d9213 [2020-07-20 01:08:42,417 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:08:42,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-20 01:08:42,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eabc63a41/8feb509c57e745ea917bf6ef9c21df91/FLAG2ac6d9213 [2020-07-20 01:08:42,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eabc63a41/8feb509c57e745ea917bf6ef9c21df91 [2020-07-20 01:08:42,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:08:42,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:08:42,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:08:42,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:08:42,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:08:42,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:08:42" (1/1) ... [2020-07-20 01:08:42,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6226daf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:42, skipping insertion in model container [2020-07-20 01:08:42,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:08:42" (1/1) ... [2020-07-20 01:08:42,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:08:42,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:08:43,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:08:43,266 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:08:43,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:08:43,389 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:08:43,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:43 WrapperNode [2020-07-20 01:08:43,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:08:43,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:08:43,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:08:43,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:08:43,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:43" (1/1) ... [2020-07-20 01:08:43,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:43" (1/1) ... [2020-07-20 01:08:43,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:43" (1/1) ... [2020-07-20 01:08:43,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:43" (1/1) ... [2020-07-20 01:08:43,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:43" (1/1) ... [2020-07-20 01:08:43,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:43" (1/1) ... [2020-07-20 01:08:43,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:43" (1/1) ... [2020-07-20 01:08:43,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:08:43,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:08:43,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:08:43,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:08:43,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:08:43,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:08:43,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:08:43,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:08:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:08:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:08:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:08:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:08:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:08:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:08:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:08:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 01:08:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:08:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 01:08:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:08:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:08:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:08:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:08:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:08:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:08:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 01:08:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:08:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:08:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:08:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:08:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:08:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:08:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:08:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:08:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:08:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 01:08:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:08:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:08:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:08:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:08:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:08:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:08:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:08:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:08:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:08:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:08:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:08:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:08:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:08:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:08:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:08:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:08:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:08:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:08:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:08:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:08:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:08:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:08:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 01:08:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 01:08:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 01:08:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:08:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:08:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:08:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:08:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:08:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:08:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:08:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:08:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:08:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:08:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:08:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 01:08:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:08:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:08:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:08:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:08:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:08:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:08:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:08:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 01:08:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 01:08:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:08:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 01:08:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:08:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:08:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:08:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:08:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:08:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:08:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:08:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:08:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:08:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:08:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:08:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:08:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:08:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:08:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:08:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:08:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:08:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:08:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:08:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:08:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:08:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:08:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:08:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:08:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:08:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:08:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:08:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:08:44,986 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:08:44,986 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:08:44,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:08:44 BoogieIcfgContainer [2020-07-20 01:08:44,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:08:45,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:08:45,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:08:45,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:08:45,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:08:42" (1/3) ... [2020-07-20 01:08:45,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30323133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:08:45, skipping insertion in model container [2020-07-20 01:08:45,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:08:43" (2/3) ... [2020-07-20 01:08:45,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30323133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:08:45, skipping insertion in model container [2020-07-20 01:08:45,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:08:44" (3/3) ... [2020-07-20 01:08:45,009 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-07-20 01:08:45,020 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:08:45,031 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:08:45,046 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:08:45,071 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:08:45,071 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:08:45,071 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:08:45,072 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:08:45,072 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:08:45,072 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:08:45,072 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:08:45,072 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:08:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-07-20 01:08:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:08:45,107 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:45,108 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 01:08:45,109 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:45,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:45,115 INFO L82 PathProgramCache]: Analyzing trace with hash -304783320, now seen corresponding path program 1 times [2020-07-20 01:08:45,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:45,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66242225] [2020-07-20 01:08:45,123 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:08:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,816 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:45,939 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 01:08:45,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66242225] [2020-07-20 01:08:45,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:45,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:08:45,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760215775] [2020-07-20 01:08:45,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:08:45,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:45,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:08:45,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:08:45,967 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2020-07-20 01:08:47,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:47,440 INFO L93 Difference]: Finished difference Result 382 states and 489 transitions. [2020-07-20 01:08:47,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 01:08:47,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-20 01:08:47,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:47,460 INFO L225 Difference]: With dead ends: 382 [2020-07-20 01:08:47,460 INFO L226 Difference]: Without dead ends: 210 [2020-07-20 01:08:47,465 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 01:08:47,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-07-20 01:08:47,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 173. [2020-07-20 01:08:47,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-07-20 01:08:47,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2020-07-20 01:08:47,576 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2020-07-20 01:08:47,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:47,577 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2020-07-20 01:08:47,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:08:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2020-07-20 01:08:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 01:08:47,589 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:47,590 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 01:08:47,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:08:47,590 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:47,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:47,591 INFO L82 PathProgramCache]: Analyzing trace with hash -511503066, now seen corresponding path program 1 times [2020-07-20 01:08:47,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:47,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429493355] [2020-07-20 01:08:47,592 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:08:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,017 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:48,102 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 01:08:48,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429493355] [2020-07-20 01:08:48,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:48,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:08:48,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889106846] [2020-07-20 01:08:48,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:08:48,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:48,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:08:48,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:08:48,106 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 5 states. [2020-07-20 01:08:48,612 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:49,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:49,784 INFO L93 Difference]: Finished difference Result 317 states and 389 transitions. [2020-07-20 01:08:49,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 01:08:49,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-20 01:08:49,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:49,789 INFO L225 Difference]: With dead ends: 317 [2020-07-20 01:08:49,790 INFO L226 Difference]: Without dead ends: 200 [2020-07-20 01:08:49,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:08:49,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-20 01:08:49,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 164. [2020-07-20 01:08:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-20 01:08:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-07-20 01:08:49,846 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2020-07-20 01:08:49,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:49,846 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-07-20 01:08:49,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:08:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-07-20 01:08:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 01:08:49,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:49,848 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:49,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:08:49,849 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:49,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:49,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1192401668, now seen corresponding path program 1 times [2020-07-20 01:08:49,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:49,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591768078] [2020-07-20 01:08:49,850 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:08:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,188 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:50,284 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 01:08:50,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591768078] [2020-07-20 01:08:50,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:50,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:08:50,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90770527] [2020-07-20 01:08:50,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:08:50,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:50,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:08:50,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:08:50,288 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 9 states. [2020-07-20 01:08:50,733 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:51,056 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:51,318 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:51,541 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:52,451 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:55,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:55,141 INFO L93 Difference]: Finished difference Result 549 states and 680 transitions. [2020-07-20 01:08:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:08:55,142 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-20 01:08:55,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:55,149 INFO L225 Difference]: With dead ends: 549 [2020-07-20 01:08:55,149 INFO L226 Difference]: Without dead ends: 413 [2020-07-20 01:08:55,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:08:55,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-07-20 01:08:55,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 344. [2020-07-20 01:08:55,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-07-20 01:08:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 418 transitions. [2020-07-20 01:08:55,229 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 418 transitions. Word has length 65 [2020-07-20 01:08:55,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:55,230 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 418 transitions. [2020-07-20 01:08:55,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:08:55,230 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 418 transitions. [2020-07-20 01:08:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 01:08:55,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:55,232 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:55,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:08:55,232 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:55,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1231670033, now seen corresponding path program 1 times [2020-07-20 01:08:55,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:55,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524849464] [2020-07-20 01:08:55,233 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:08:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,577 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:08:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:08:55,664 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 01:08:55,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524849464] [2020-07-20 01:08:55,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:08:55,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:08:55,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809184785] [2020-07-20 01:08:55,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:08:55,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:08:55,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:08:55,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:08:55,667 INFO L87 Difference]: Start difference. First operand 344 states and 418 transitions. Second operand 9 states. [2020-07-20 01:08:56,139 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:56,829 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:57,838 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:58,074 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:08:58,359 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:08:58,638 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:08:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:08:59,842 INFO L93 Difference]: Finished difference Result 891 states and 1152 transitions. [2020-07-20 01:08:59,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:08:59,843 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-20 01:08:59,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:08:59,854 INFO L225 Difference]: With dead ends: 891 [2020-07-20 01:08:59,854 INFO L226 Difference]: Without dead ends: 575 [2020-07-20 01:08:59,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:08:59,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2020-07-20 01:08:59,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 507. [2020-07-20 01:08:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-07-20 01:08:59,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 605 transitions. [2020-07-20 01:08:59,971 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 605 transitions. Word has length 70 [2020-07-20 01:08:59,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:08:59,972 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 605 transitions. [2020-07-20 01:08:59,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:08:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 605 transitions. [2020-07-20 01:08:59,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 01:08:59,974 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:08:59,975 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:08:59,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:08:59,975 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:08:59,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:08:59,976 INFO L82 PathProgramCache]: Analyzing trace with hash 853087743, now seen corresponding path program 1 times [2020-07-20 01:08:59,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:08:59,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329541944] [2020-07-20 01:08:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:09:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,269 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:09:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:00,474 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 01:09:00,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329541944] [2020-07-20 01:09:00,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:09:00,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 01:09:00,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568717524] [2020-07-20 01:09:00,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 01:09:00,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:09:00,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 01:09:00,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 01:09:00,477 INFO L87 Difference]: Start difference. First operand 507 states and 605 transitions. Second operand 9 states. [2020-07-20 01:09:01,606 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:01,876 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:02,109 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:02,346 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:09:03,296 INFO L93 Difference]: Finished difference Result 1079 states and 1378 transitions. [2020-07-20 01:09:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:09:03,296 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-07-20 01:09:03,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:09:03,301 INFO L225 Difference]: With dead ends: 1079 [2020-07-20 01:09:03,301 INFO L226 Difference]: Without dead ends: 600 [2020-07-20 01:09:03,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-20 01:09:03,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-07-20 01:09:03,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 520. [2020-07-20 01:09:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-07-20 01:09:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 619 transitions. [2020-07-20 01:09:03,397 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 619 transitions. Word has length 113 [2020-07-20 01:09:03,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:09:03,398 INFO L479 AbstractCegarLoop]: Abstraction has 520 states and 619 transitions. [2020-07-20 01:09:03,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 01:09:03,402 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 619 transitions. [2020-07-20 01:09:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 01:09:03,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:09:03,407 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:09:03,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:09:03,408 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:09:03,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:09:03,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1502717507, now seen corresponding path program 1 times [2020-07-20 01:09:03,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:09:03,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067074003] [2020-07-20 01:09:03,409 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:09:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,706 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:09:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:03,889 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 01:09:03,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067074003] [2020-07-20 01:09:03,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:09:03,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:09:03,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348162437] [2020-07-20 01:09:03,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:09:03,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:09:03,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:09:03,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:09:03,892 INFO L87 Difference]: Start difference. First operand 520 states and 619 transitions. Second operand 11 states. [2020-07-20 01:09:04,700 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:04,983 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:05,219 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:06,088 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:06,355 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:06,606 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:07,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:09:07,788 INFO L93 Difference]: Finished difference Result 1102 states and 1402 transitions. [2020-07-20 01:09:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:09:07,788 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2020-07-20 01:09:07,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:09:07,798 INFO L225 Difference]: With dead ends: 1102 [2020-07-20 01:09:07,798 INFO L226 Difference]: Without dead ends: 610 [2020-07-20 01:09:07,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:09:07,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-07-20 01:09:07,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 528. [2020-07-20 01:09:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-07-20 01:09:07,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 627 transitions. [2020-07-20 01:09:07,883 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 627 transitions. Word has length 113 [2020-07-20 01:09:07,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:09:07,884 INFO L479 AbstractCegarLoop]: Abstraction has 528 states and 627 transitions. [2020-07-20 01:09:07,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:09:07,884 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 627 transitions. [2020-07-20 01:09:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 01:09:07,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:09:07,886 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:09:07,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 01:09:07,887 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:09:07,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:09:07,887 INFO L82 PathProgramCache]: Analyzing trace with hash -733547492, now seen corresponding path program 1 times [2020-07-20 01:09:07,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:09:07,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054697352] [2020-07-20 01:09:07,888 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:09:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,167 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:09:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:08,286 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 01:09:08,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054697352] [2020-07-20 01:09:08,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:09:08,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:09:08,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556083510] [2020-07-20 01:09:08,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 01:09:08,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:09:08,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 01:09:08,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:09:08,293 INFO L87 Difference]: Start difference. First operand 528 states and 627 transitions. Second operand 7 states. [2020-07-20 01:09:08,641 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:09,713 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:12,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:09:12,373 INFO L93 Difference]: Finished difference Result 1837 states and 2447 transitions. [2020-07-20 01:09:12,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 01:09:12,373 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-07-20 01:09:12,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:09:12,383 INFO L225 Difference]: With dead ends: 1837 [2020-07-20 01:09:12,383 INFO L226 Difference]: Without dead ends: 1337 [2020-07-20 01:09:12,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:09:12,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2020-07-20 01:09:12,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1190. [2020-07-20 01:09:12,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2020-07-20 01:09:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1478 transitions. [2020-07-20 01:09:12,607 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1478 transitions. Word has length 113 [2020-07-20 01:09:12,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:09:12,608 INFO L479 AbstractCegarLoop]: Abstraction has 1190 states and 1478 transitions. [2020-07-20 01:09:12,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 01:09:12,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1478 transitions. [2020-07-20 01:09:12,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-20 01:09:12,616 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:09:12,617 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:09:12,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 01:09:12,617 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:09:12,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:09:12,617 INFO L82 PathProgramCache]: Analyzing trace with hash 216342370, now seen corresponding path program 1 times [2020-07-20 01:09:12,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:09:12,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985511082] [2020-07-20 01:09:12,618 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:09:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:12,995 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:09:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:13,258 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 01:09:13,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985511082] [2020-07-20 01:09:13,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:09:13,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:09:13,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820611862] [2020-07-20 01:09:13,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:09:13,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:09:13,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:09:13,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:09:13,261 INFO L87 Difference]: Start difference. First operand 1190 states and 1478 transitions. Second operand 12 states. [2020-07-20 01:09:13,945 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:14,586 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:15,285 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:15,600 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:15,834 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:09:16,112 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:16,368 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:18,717 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:19,037 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:19,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:09:19,923 INFO L93 Difference]: Finished difference Result 3677 states and 4769 transitions. [2020-07-20 01:09:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 01:09:19,924 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-07-20 01:09:19,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:09:19,945 INFO L225 Difference]: With dead ends: 3677 [2020-07-20 01:09:19,946 INFO L226 Difference]: Without dead ends: 2515 [2020-07-20 01:09:19,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 01:09:19,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2020-07-20 01:09:20,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2113. [2020-07-20 01:09:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2113 states. [2020-07-20 01:09:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2574 transitions. [2020-07-20 01:09:20,360 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2574 transitions. Word has length 117 [2020-07-20 01:09:20,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:09:20,363 INFO L479 AbstractCegarLoop]: Abstraction has 2113 states and 2574 transitions. [2020-07-20 01:09:20,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:09:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2574 transitions. [2020-07-20 01:09:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-20 01:09:20,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:09:20,367 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:09:20,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 01:09:20,368 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:09:20,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:09:20,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1963590153, now seen corresponding path program 1 times [2020-07-20 01:09:20,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:09:20,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121105443] [2020-07-20 01:09:20,369 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:09:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:20,813 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:09:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 01:09:21,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121105443] [2020-07-20 01:09:21,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868451015] [2020-07-20 01:09:21,278 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b636462 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 01:09:22,041 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b636462 issued 4 check-sat command(s) [2020-07-20 01:09:22,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:09:22,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 01:09:22,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:09:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:09:22,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:09:22,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-20 01:09:22,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649590195] [2020-07-20 01:09:22,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 01:09:22,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:09:22,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 01:09:22,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:09:22,378 INFO L87 Difference]: Start difference. First operand 2113 states and 2574 transitions. Second operand 20 states. [2020-07-20 01:09:23,139 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:09:23,479 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:23,768 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:24,084 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:24,886 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:25,185 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:25,533 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:25,838 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:27,642 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:28,528 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:09:29,046 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-20 01:09:29,387 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:29,980 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:09:30,421 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:31,293 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:31,798 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:09:32,701 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-20 01:09:33,747 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:09:34,534 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:09:35,079 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-20 01:09:35,340 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:09:35,615 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:09:35,883 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:09:36,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:09:36,338 INFO L93 Difference]: Finished difference Result 4747 states and 5914 transitions. [2020-07-20 01:09:36,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-20 01:09:36,339 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 195 [2020-07-20 01:09:36,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:09:36,354 INFO L225 Difference]: With dead ends: 4747 [2020-07-20 01:09:36,354 INFO L226 Difference]: Without dead ends: 2662 [2020-07-20 01:09:36,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=851, Invalid=3309, Unknown=0, NotChecked=0, Total=4160 [2020-07-20 01:09:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2020-07-20 01:09:36,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2381. [2020-07-20 01:09:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2381 states. [2020-07-20 01:09:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 2812 transitions. [2020-07-20 01:09:36,828 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 2812 transitions. Word has length 195 [2020-07-20 01:09:36,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:09:36,829 INFO L479 AbstractCegarLoop]: Abstraction has 2381 states and 2812 transitions. [2020-07-20 01:09:36,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 01:09:36,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2812 transitions. [2020-07-20 01:09:36,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-07-20 01:09:36,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:09:36,841 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:09:37,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-20 01:09:37,056 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:09:37,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:09:37,056 INFO L82 PathProgramCache]: Analyzing trace with hash 905718191, now seen corresponding path program 1 times [2020-07-20 01:09:37,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:09:37,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490940611] [2020-07-20 01:09:37,058 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:09:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,452 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:09:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:09:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 80 proven. 7 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-07-20 01:09:37,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490940611] [2020-07-20 01:09:37,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238206617] [2020-07-20 01:09:37,978 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@d0c21eb No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:09:38,789 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@d0c21eb issued 3 check-sat command(s) [2020-07-20 01:09:38,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:09:38,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 01:09:38,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:09:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 243 proven. 4 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-07-20 01:09:39,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:09:39,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2020-07-20 01:09:39,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422446769] [2020-07-20 01:09:39,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-20 01:09:39,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:09:39,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-20 01:09:39,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:09:39,380 INFO L87 Difference]: Start difference. First operand 2381 states and 2812 transitions. Second operand 24 states. [2020-07-20 01:09:40,365 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:41,348 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:09:41,763 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:09:42,318 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:09:43,215 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:09:43,567 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:09:43,870 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:09:44,161 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:09:44,441 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:44,783 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:09:45,069 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:45,332 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:09:45,620 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:45,896 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:46,188 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:46,490 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:09:46,854 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:47,160 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:47,519 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:47,843 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:09:49,170 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:49,716 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:50,147 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:50,560 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:09:51,007 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:09:51,304 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:51,622 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-20 01:09:52,044 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:52,585 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:53,011 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:55,054 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:55,354 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:55,626 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:55,923 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:56,194 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:09:56,746 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-07-20 01:09:57,082 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:57,393 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:57,744 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-20 01:09:58,041 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-20 01:10:04,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:10:04,772 INFO L93 Difference]: Finished difference Result 9600 states and 13457 transitions. [2020-07-20 01:10:04,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2020-07-20 01:10:04,772 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 335 [2020-07-20 01:10:04,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:10:04,827 INFO L225 Difference]: With dead ends: 9600 [2020-07-20 01:10:04,827 INFO L226 Difference]: Without dead ends: 7255 [2020-07-20 01:10:04,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 470 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4890 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=1934, Invalid=11872, Unknown=0, NotChecked=0, Total=13806 [2020-07-20 01:10:04,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7255 states. [2020-07-20 01:10:06,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7255 to 4995. [2020-07-20 01:10:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4995 states. [2020-07-20 01:10:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4995 states to 4995 states and 5768 transitions. [2020-07-20 01:10:06,187 INFO L78 Accepts]: Start accepts. Automaton has 4995 states and 5768 transitions. Word has length 335 [2020-07-20 01:10:06,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:10:06,188 INFO L479 AbstractCegarLoop]: Abstraction has 4995 states and 5768 transitions. [2020-07-20 01:10:06,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-20 01:10:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 5768 transitions. [2020-07-20 01:10:06,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-07-20 01:10:06,213 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:10:06,214 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, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-20 01:10:06,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:10:06,427 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:10:06,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:10:06,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1265210463, now seen corresponding path program 1 times [2020-07-20 01:10:06,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:10:06,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665993274] [2020-07-20 01:10:06,429 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:10:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,729 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:10:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 94 proven. 48 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-07-20 01:10:07,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665993274] [2020-07-20 01:10:07,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113216328] [2020-07-20 01:10:07,278 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@727f1379 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 01:10:07,774 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@727f1379 issued 3 check-sat command(s) [2020-07-20 01:10:07,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:10:07,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 01:10:07,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:10:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 280 proven. 18 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-20 01:10:08,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:10:08,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-07-20 01:10:08,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163420155] [2020-07-20 01:10:08,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-20 01:10:08,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:10:08,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-20 01:10:08,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-07-20 01:10:08,118 INFO L87 Difference]: Start difference. First operand 4995 states and 5768 transitions. Second operand 23 states. [2020-07-20 01:10:08,945 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-20 01:10:09,518 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:10:10,025 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:10:10,489 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-20 01:10:11,508 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:10:13,325 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:10:13,796 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:10:14,208 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:10:15,067 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:10:16,522 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:10:16,776 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:10:18,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:10:18,158 INFO L93 Difference]: Finished difference Result 11043 states and 13589 transitions. [2020-07-20 01:10:18,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-20 01:10:18,159 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 351 [2020-07-20 01:10:18,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:10:18,196 INFO L225 Difference]: With dead ends: 11043 [2020-07-20 01:10:18,196 INFO L226 Difference]: Without dead ends: 6112 [2020-07-20 01:10:18,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=551, Invalid=2419, Unknown=0, NotChecked=0, Total=2970 [2020-07-20 01:10:18,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6112 states. [2020-07-20 01:10:19,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6112 to 4999. [2020-07-20 01:10:19,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4999 states. [2020-07-20 01:10:19,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 5756 transitions. [2020-07-20 01:10:19,547 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 5756 transitions. Word has length 351 [2020-07-20 01:10:19,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:10:19,548 INFO L479 AbstractCegarLoop]: Abstraction has 4999 states and 5756 transitions. [2020-07-20 01:10:19,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-20 01:10:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 5756 transitions. [2020-07-20 01:10:19,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-07-20 01:10:19,570 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:10:19,570 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, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-20 01:10:19,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-20 01:10:19,784 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:10:19,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:10:19,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1607737082, now seen corresponding path program 1 times [2020-07-20 01:10:19,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:10:19,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000078838] [2020-07-20 01:10:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:10:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,166 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:10:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:10:20,841 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 100 proven. 3 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-07-20 01:10:20,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000078838] [2020-07-20 01:10:20,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589836019] [2020-07-20 01:10:20,842 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@27d8b9b9 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:10:21,455 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@27d8b9b9 issued 3 check-sat command(s) [2020-07-20 01:10:21,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:10:21,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:10:21,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:10:21,699 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:10:21,700 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:10:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 279 proven. 26 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-20 01:10:21,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:10:21,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10] total 27 [2020-07-20 01:10:21,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351326328] [2020-07-20 01:10:21,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-20 01:10:21,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:10:21,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-20 01:10:21,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2020-07-20 01:10:21,844 INFO L87 Difference]: Start difference. First operand 4999 states and 5756 transitions. Second operand 27 states. [2020-07-20 01:10:22,832 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:10:23,188 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:10:23,482 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:10:23,754 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:10:24,813 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:10:26,491 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:10:27,106 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:10:28,584 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:10:29,393 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:10:29,864 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:10:30,375 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:10:31,004 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:10:31,470 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:10:32,286 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-20 01:10:32,979 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-20 01:10:35,966 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:10:36,297 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:10:36,583 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:10:36,880 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:10:37,207 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:10:37,488 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-20 01:10:38,022 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:10:38,420 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:10:38,751 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:10:39,366 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-20 01:10:39,709 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:10:40,084 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:10:40,588 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-07-20 01:10:40,925 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-20 01:10:41,624 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-20 01:10:42,383 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-20 01:10:50,545 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-20 01:10:51,381 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-20 01:10:51,968 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-20 01:10:53,435 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-20 01:10:54,223 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-20 01:10:57,298 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-20 01:10:57,850 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-20 01:10:58,400 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-20 01:10:59,043 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-20 01:10:59,610 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-20 01:11:02,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:11:02,023 INFO L93 Difference]: Finished difference Result 14631 states and 18304 transitions. [2020-07-20 01:11:02,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2020-07-20 01:11:02,024 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 352 [2020-07-20 01:11:02,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:11:02,132 INFO L225 Difference]: With dead ends: 14631 [2020-07-20 01:11:02,133 INFO L226 Difference]: Without dead ends: 9649 [2020-07-20 01:11:02,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 507 SyntacticMatches, 5 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6193 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=2496, Invalid=15060, Unknown=0, NotChecked=0, Total=17556 [2020-07-20 01:11:02,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9649 states. [2020-07-20 01:11:03,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9649 to 7285. [2020-07-20 01:11:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7285 states. [2020-07-20 01:11:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7285 states to 7285 states and 8375 transitions. [2020-07-20 01:11:03,294 INFO L78 Accepts]: Start accepts. Automaton has 7285 states and 8375 transitions. Word has length 352 [2020-07-20 01:11:03,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:11:03,297 INFO L479 AbstractCegarLoop]: Abstraction has 7285 states and 8375 transitions. [2020-07-20 01:11:03,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-20 01:11:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 7285 states and 8375 transitions. [2020-07-20 01:11:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-07-20 01:11:03,324 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:11:03,325 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, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-20 01:11:03,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:11:03,539 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:11:03,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:11:03,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1968292702, now seen corresponding path program 1 times [2020-07-20 01:11:03,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:11:03,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565681246] [2020-07-20 01:11:03,540 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15ad5c80 [2020-07-20 01:11:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:03,914 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:11:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:11:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 81 proven. 9 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2020-07-20 01:11:04,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565681246] [2020-07-20 01:11:04,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821119586] [2020-07-20 01:11:04,296 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31d9fdef 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 01:11:05,016 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@31d9fdef issued 3 check-sat command(s) [2020-07-20 01:11:05,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:11:05,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:11:05,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:11:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-07-20 01:11:05,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:11:05,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 17 [2020-07-20 01:11:05,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742595633] [2020-07-20 01:11:05,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:11:05,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:11:05,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:11:05,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-07-20 01:11:05,398 INFO L87 Difference]: Start difference. First operand 7285 states and 8375 transitions. Second operand 6 states. [2020-07-20 01:11:05,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:11:05,789 INFO L93 Difference]: Finished difference Result 9017 states and 10260 transitions. [2020-07-20 01:11:05,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:11:05,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 356 [2020-07-20 01:11:05,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:11:05,792 INFO L225 Difference]: With dead ends: 9017 [2020-07-20 01:11:05,792 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:11:05,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 479 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:11:05,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:11:05,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:11:05,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:11:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:11:05,816 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 356 [2020-07-20 01:11:05,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:11:05,816 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:11:05,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:11:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:11:05,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:11:06,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-20 01:11:06,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:11:06,333 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-07-20 01:11:06,677 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-07-20 01:11:07,001 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-20 01:11:07,162 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-07-20 01:11:07,448 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-07-20 01:11:07,739 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-20 01:11:07,868 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-07-20 01:11:08,048 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-07-20 01:11:08,187 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 225 [2020-07-20 01:11:08,430 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-20 01:11:08,539 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-07-20 01:11:10,924 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 233 [2020-07-20 01:11:11,164 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 230 [2020-07-20 01:11:14,503 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 707 DAG size of output: 533 [2020-07-20 01:11:16,209 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-07-20 01:11:17,908 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-07-20 01:11:18,832 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-07-20 01:11:19,649 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-07-20 01:11:20,455 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-20 01:11:21,918 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 527 DAG size of output: 407 [2020-07-20 01:11:22,300 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-07-20 01:11:23,159 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-07-20 01:11:28,268 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 606 DAG size of output: 496 [2020-07-20 01:11:30,782 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 398 [2020-07-20 01:11:32,014 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 361 [2020-07-20 01:11:33,056 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 331 [2020-07-20 01:11:33,758 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 230 [2020-07-20 01:11:35,683 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 222 DAG size of output: 37 [2020-07-20 01:11:36,193 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-07-20 01:11:36,471 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-07-20 01:11:36,844 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-20 01:11:38,005 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 218 DAG size of output: 29 [2020-07-20 01:11:39,150 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 213 DAG size of output: 53 [2020-07-20 01:11:39,362 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-20 01:11:40,357 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 29 [2020-07-20 01:11:40,702 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-20 01:11:42,303 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 221 DAG size of output: 37 [2020-07-20 01:11:43,408 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 212 DAG size of output: 37 [2020-07-20 01:11:43,634 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:11:48,020 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 443 DAG size of output: 42 [2020-07-20 01:11:48,226 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:11:48,461 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 31 [2020-07-20 01:11:49,187 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 32 [2020-07-20 01:11:49,468 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-20 01:11:52,200 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 372 DAG size of output: 54 [2020-07-20 01:11:53,366 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 366 DAG size of output: 1 [2020-07-20 01:11:54,816 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 297 DAG size of output: 37 [2020-07-20 01:11:55,695 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 34 [2020-07-20 01:11:56,403 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 23 [2020-07-20 01:11:57,739 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 237 DAG size of output: 36 [2020-07-20 01:12:00,052 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 316 DAG size of output: 44 [2020-07-20 01:12:02,473 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 361 DAG size of output: 41 [2020-07-20 01:12:02,669 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:12:03,821 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-07-20 01:12:04,504 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 43 [2020-07-20 01:12:05,660 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 216 DAG size of output: 36 [2020-07-20 01:12:06,684 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 192 DAG size of output: 50 [2020-07-20 01:12:07,635 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 39 [2020-07-20 01:12:09,172 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 222 DAG size of output: 37 [2020-07-20 01:12:09,393 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:12:10,114 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 30 [2020-07-20 01:12:10,319 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:12:10,519 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:12:11,671 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 213 DAG size of output: 41 [2020-07-20 01:12:11,834 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-07-20 01:12:12,034 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:12:12,676 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 23 [2020-07-20 01:12:13,580 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 46 [2020-07-20 01:12:13,863 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-20 01:12:17,562 WARN L193 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 409 DAG size of output: 40 [2020-07-20 01:12:18,102 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 25 [2020-07-20 01:12:18,291 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-07-20 01:12:19,117 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 33 [2020-07-20 01:12:19,547 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2020-07-20 01:12:19,817 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-07-20 01:12:20,091 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-07-20 01:12:20,297 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-20 01:12:20,463 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-07-20 01:12:22,626 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 304 DAG size of output: 41 [2020-07-20 01:12:22,810 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-07-20 01:12:24,040 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-07-20 01:12:26,849 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 283 DAG size of output: 42 [2020-07-20 01:12:27,955 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 215 DAG size of output: 36 [2020-07-20 01:12:28,924 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 34 [2020-07-20 01:12:29,109 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:12:30,188 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 250 DAG size of output: 39 [2020-07-20 01:12:30,417 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-20 01:12:31,645 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 216 DAG size of output: 36 [2020-07-20 01:12:33,177 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 251 DAG size of output: 52 [2020-07-20 01:12:33,383 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-20 01:12:33,388 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-20 01:12:33,388 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 786) no Hoare annotation was computed. [2020-07-20 01:12:33,389 INFO L268 CegarLoopResult]: For program point L787(lines 764 788) no Hoare annotation was computed. [2020-07-20 01:12:33,389 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 740 795) no Hoare annotation was computed. [2020-07-20 01:12:33,389 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 740 795) no Hoare annotation was computed. [2020-07-20 01:12:33,389 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-20 01:12:33,389 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 740 795) no Hoare annotation was computed. [2020-07-20 01:12:33,389 INFO L268 CegarLoopResult]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2020-07-20 01:12:33,389 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-20 01:12:33,389 INFO L268 CegarLoopResult]: For program point L828-1(lines 828 832) no Hoare annotation was computed. [2020-07-20 01:12:33,389 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 01:12:33,389 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 796 855) no Hoare annotation was computed. [2020-07-20 01:12:33,390 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 847) no Hoare annotation was computed. [2020-07-20 01:12:33,390 INFO L268 CegarLoopResult]: For program point L848(lines 821 849) no Hoare annotation was computed. [2020-07-20 01:12:33,390 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 796 855) no Hoare annotation was computed. [2020-07-20 01:12:33,390 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 796 855) no Hoare annotation was computed. [2020-07-20 01:12:33,390 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-20 01:12:33,390 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-20 01:12:33,391 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 671 677) the Hoare annotation is: true [2020-07-20 01:12:33,391 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 671 677) no Hoare annotation was computed. [2020-07-20 01:12:33,391 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 678 686) no Hoare annotation was computed. [2020-07-20 01:12:33,391 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 678 686) the Hoare annotation is: true [2020-07-20 01:12:33,391 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 678 686) no Hoare annotation was computed. [2020-07-20 01:12:33,391 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) 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 01:12:33,391 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-20 01:12:33,392 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-20 01:12:33,392 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (< 1 ~waterLevel~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse4 .cse7) (or .cse0 .cse2 .cse3 .cse4 .cse7) (or .cse8 .cse3 .cse4 .cse7) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse8 .cse4 .cse7))) [2020-07-20 01:12:33,392 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-20 01:12:33,392 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 01:12:33,392 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-20 01:12:33,392 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-20 01:12:33,392 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= ~waterLevel~0 2)) (= 0 ~systemActive~0) .cse0 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) (or .cse1 .cse0 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse2))) [2020-07-20 01:12:33,393 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-20 01:12:33,393 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 01:12:33,393 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-20 01:12:33,393 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse5 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= ~waterLevel~0 2)) (= 0 ~systemActive~0) .cse0 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) (or .cse1 .cse0 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse5 .cse2) (or .cse4 .cse5 .cse0 .cse2))) [2020-07-20 01:12:33,393 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-20 01:12:33,393 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-20 01:12:33,393 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-20 01:12:33,393 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-20 01:12:33,393 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-20 01:12:33,393 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 620 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:12:33,393 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 620 642) no Hoare annotation was computed. [2020-07-20 01:12:33,393 INFO L264 CegarLoopResult]: At program point L632(line 632) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:12:33,394 INFO L264 CegarLoopResult]: At program point L632-1(line 632) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:12:33,394 INFO L268 CegarLoopResult]: For program point L630(lines 630 637) no Hoare annotation was computed. [2020-07-20 01:12:33,394 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 637) no Hoare annotation was computed. [2020-07-20 01:12:33,394 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-07-20 01:12:33,394 INFO L264 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:12:33,394 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:12:33,394 INFO L264 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:12:33,394 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 620 642) no Hoare annotation was computed. [2020-07-20 01:12:33,394 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 575 598) no Hoare annotation was computed. [2020-07-20 01:12:33,394 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 575 598) no Hoare annotation was computed. [2020-07-20 01:12:33,394 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 575 598) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 01:12:33,395 INFO L268 CegarLoopResult]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2020-07-20 01:12:33,396 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse3) (or .cse6 .cse0 .cse1 .cse2) (or .cse7 .cse2 .cse1 .cse3) (or .cse6 .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse2 .cse1))) [2020-07-20 01:12:33,396 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse4 .cse7 .cse5) (or .cse6 .cse0 .cse4 .cse7) (or .cse8 .cse7 .cse4 .cse5) (or .cse6 .cse8 .cse7 .cse4))) [2020-07-20 01:12:33,396 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-20 01:12:33,396 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse6) (or .cse8 .cse6 .cse5 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (or .cse0 .cse8 .cse6 .cse5))) [2020-07-20 01:12:33,396 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-20 01:12:33,396 INFO L268 CegarLoopResult]: For program point L243(lines 243 260) no Hoare annotation was computed. [2020-07-20 01:12:33,396 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse2) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse1 .cse4) (or .cse6 .cse2 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse8 .cse9 .cse2 .cse3))) [2020-07-20 01:12:33,397 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2020-07-20 01:12:33,397 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse3) (or .cse8 .cse0 .cse1 .cse2 .cse4) (or .cse8 .cse5 .cse6 .cse7 .cse2) (or .cse8 .cse5 .cse2 .cse1 .cse4) (or .cse5 .cse2 .cse1 .cse3 .cse4))) [2020-07-20 01:12:33,397 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 417 431) no Hoare annotation was computed. [2020-07-20 01:12:33,397 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse8 (= 2 ~waterLevel~0))) (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not .cse8)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 |old(~systemActive~0)|)) (.cse7 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) .cse8 (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (<= ~waterLevel~0 2)) .cse1 (not (<= 2 ~waterLevel~0))) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse3 .cse0 .cse1) (or .cse5 .cse1 .cse2) (or .cse4 .cse5 .cse2 .cse6 .cse7)))) [2020-07-20 01:12:33,397 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 417 431) the Hoare annotation is: (let ((.cse9 (= |old(~systemActive~0)| ~systemActive~0)) (.cse10 (= 2 ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not .cse10)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 |old(~systemActive~0)|)) (.cse6 (and .cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) .cse10 (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse9 (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 .cse4 .cse5 .cse6) (or .cse4 .cse1 .cse7 .cse2) (or .cse8 .cse1 .cse7 .cse2) (or .cse3 .cse4 .cse7 .cse5 .cse6) (or .cse0 .cse8 .cse1 .cse2)))) [2020-07-20 01:12:33,398 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-20 01:12:33,398 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 417 431) no Hoare annotation was computed. [2020-07-20 01:12:33,398 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2020-07-20 01:12:33,398 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2020-07-20 01:12:33,398 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2020-07-20 01:12:33,398 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 398 416) the Hoare annotation is: true [2020-07-20 01:12:33,398 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-20 01:12:33,398 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 398 416) no Hoare annotation was computed. [2020-07-20 01:12:33,399 INFO L271 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-07-20 01:12:33,399 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2020-07-20 01:12:33,399 INFO L268 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-07-20 01:12:33,399 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 398 416) no Hoare annotation was computed. [2020-07-20 01:12:33,399 INFO L268 CegarLoopResult]: For program point L350(lines 350 358) no Hoare annotation was computed. [2020-07-20 01:12:33,399 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 358) no Hoare annotation was computed. [2020-07-20 01:12:33,399 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-20 01:12:33,399 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-20 01:12:33,399 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 343 378) no Hoare annotation was computed. [2020-07-20 01:12:33,400 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-20 01:12:33,400 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-07-20 01:12:33,400 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 343 378) no Hoare annotation was computed. [2020-07-20 01:12:33,400 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 343 378) no Hoare annotation was computed. [2020-07-20 01:12:33,400 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 664 670) no Hoare annotation was computed. [2020-07-20 01:12:33,400 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 664 670) the Hoare annotation is: true [2020-07-20 01:12:33,400 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 694 739) no Hoare annotation was computed. [2020-07-20 01:12:33,400 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 694 739) no Hoare annotation was computed. [2020-07-20 01:12:33,400 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 694 739) no Hoare annotation was computed. [2020-07-20 01:12:33,401 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1041) no Hoare annotation was computed. [2020-07-20 01:12:33,401 INFO L268 CegarLoopResult]: For program point L1021-1(lines 1021 1041) no Hoare annotation was computed. [2020-07-20 01:12:33,401 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 1007 1052) no Hoare annotation was computed. [2020-07-20 01:12:33,401 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 1007 1052) no Hoare annotation was computed. [2020-07-20 01:12:33,401 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 1007 1052) no Hoare annotation was computed. [2020-07-20 01:12:33,401 INFO L268 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-07-20 01:12:33,401 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 606 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-20 01:12:33,401 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 606 616) no Hoare annotation was computed. [2020-07-20 01:12:33,402 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 606 616) no Hoare annotation was computed. [2020-07-20 01:12:33,402 INFO L264 CegarLoopResult]: At program point L611(line 611) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:12:33,402 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2020-07-20 01:12:33,402 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2020-07-20 01:12:33,402 INFO L271 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: true [2020-07-20 01:12:33,402 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-07-20 01:12:33,402 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2020-07-20 01:12:33,402 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 0 ~systemActive~0)) (.cse9 (= 2 ~waterLevel~0))) (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse3 (not .cse5) .cse9 (<= 1 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse5 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or .cse0 .cse6 .cse2 .cse7 .cse5)))) [2020-07-20 01:12:33,403 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2020-07-20 01:12:33,403 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2020-07-20 01:12:33,403 INFO L268 CegarLoopResult]: For program point L524(lines 524 530) no Hoare annotation was computed. [2020-07-20 01:12:33,403 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 520 533) no Hoare annotation was computed. [2020-07-20 01:12:33,403 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 520 533) the Hoare annotation is: true [2020-07-20 01:12:33,403 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 520 533) no Hoare annotation was computed. [2020-07-20 01:12:33,403 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse3) (or .cse8 .cse0 .cse1 .cse2 .cse4) (or .cse8 .cse5 .cse6 .cse7 .cse2) (or .cse8 .cse5 .cse2 .cse1 .cse4) (or .cse5 .cse2 .cse1 .cse3 .cse4))) [2020-07-20 01:12:33,403 INFO L268 CegarLoopResult]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2020-07-20 01:12:33,404 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= processEnvironment_~tmp~4 ~methaneLevelCritical~0)) (.cse0 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (< 0 (+ processEnvironment_~tmp~4 1)) .cse5 .cse6) .cse0 .cse7 .cse8 .cse1) (or .cse4 .cse0 .cse1 .cse2) (or .cse9 .cse2 .cse1 .cse3) (or (and .cse5 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse6) .cse0 .cse7 .cse8 .cse1 .cse3) (or .cse4 .cse9 .cse2 .cse1))) [2020-07-20 01:12:33,404 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2020-07-20 01:12:33,404 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 265 289) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse2) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse1 .cse4) (or .cse6 .cse2 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse8 .cse9 .cse2 .cse3))) [2020-07-20 01:12:33,404 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse3) (or .cse6 (and (< 0 (+ processEnvironment_~tmp~4 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment_~tmp~4 ~methaneLevelCritical~0)) .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse0 .cse1 .cse2) (or .cse7 .cse2 .cse1 .cse3) (or .cse6 .cse7 .cse2 .cse1))) [2020-07-20 01:12:33,404 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-20 01:12:33,405 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse6) (or .cse8 .cse6 .cse5 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (or .cse0 .cse8 .cse6 .cse5))) [2020-07-20 01:12:33,405 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-20 01:12:33,405 INFO L268 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2020-07-20 01:12:33,405 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2020-07-20 01:12:33,405 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2020-07-20 01:12:33,405 INFO L268 CegarLoopResult]: For program point L128(lines 128 134) no Hoare annotation was computed. [2020-07-20 01:12:33,405 INFO L264 CegarLoopResult]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:12:33,405 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-07-20 01:12:33,406 INFO L264 CegarLoopResult]: At program point L155(lines 108 157) the Hoare annotation is: (let ((.cse4 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 (<= 1 ~pumpRunning~0)) (and .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse6 .cse1 .cse5 .cse3 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse6 .cse0 .cse1 .cse3 .cse2))) [2020-07-20 01:12:33,406 INFO L264 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 1 ~waterLevel~0)) (.cse0 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse3) (and .cse4 .cse1 (not (= 0 ~systemActive~0)) (= 2 ~waterLevel~0) (<= 1 ~pumpRunning~0)) (and .cse4 .cse1 .cse3 .cse5) (and .cse1 .cse6 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse6 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:12:33,406 INFO L268 CegarLoopResult]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2020-07-20 01:12:33,406 INFO L268 CegarLoopResult]: For program point L118(lines 118 124) no Hoare annotation was computed. [2020-07-20 01:12:33,406 INFO L268 CegarLoopResult]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2020-07-20 01:12:33,406 INFO L268 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-07-20 01:12:33,406 INFO L264 CegarLoopResult]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:12:33,407 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse5) (and .cse4 .cse0 .cse6 .cse3 .cse7) (and .cse0 .cse1 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse6 .cse3 .cse7) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse0 .cse2 .cse3))) [2020-07-20 01:12:33,407 INFO L268 CegarLoopResult]: For program point L146(lines 146 152) no Hoare annotation was computed. [2020-07-20 01:12:33,407 INFO L264 CegarLoopResult]: At program point L146-1(lines 138 153) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse7) (and .cse0 .cse5 .cse1 .cse3 .cse6) (and .cse0 .cse1 .cse2 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse0 .cse2 .cse3))) [2020-07-20 01:12:33,407 INFO L268 CegarLoopResult]: For program point L109(lines 108 157) no Hoare annotation was computed. [2020-07-20 01:12:33,407 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse5) (and .cse0 .cse1 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse0 .cse3 .cse6) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse3 .cse6))) [2020-07-20 01:12:33,407 INFO L268 CegarLoopResult]: For program point L138(lines 138 153) no Hoare annotation was computed. [2020-07-20 01:12:33,407 INFO L268 CegarLoopResult]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2020-07-20 01:12:33,408 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse1 .cse0 (not (= 0 ~systemActive~0)) .cse3 (<= 1 ~pumpRunning~0)) (and .cse1 .cse0 .cse2 .cse5) (and .cse0 .cse4 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:12:33,408 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 961 1006) no Hoare annotation was computed. [2020-07-20 01:12:33,408 INFO L268 CegarLoopResult]: For program point L981(lines 981 988) no Hoare annotation was computed. [2020-07-20 01:12:33,408 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 961 1006) no Hoare annotation was computed. [2020-07-20 01:12:33,408 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 961 1006) no Hoare annotation was computed. [2020-07-20 01:12:33,408 INFO L268 CegarLoopResult]: For program point L975(lines 975 995) no Hoare annotation was computed. [2020-07-20 01:12:33,408 INFO L268 CegarLoopResult]: For program point L975-1(lines 975 995) no Hoare annotation was computed. [2020-07-20 01:12:33,408 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 290 297) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 01:12:33,408 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-20 01:12:33,409 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-20 01:12:33,409 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 534 542) no Hoare annotation was computed. [2020-07-20 01:12:33,409 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 534 542) the Hoare annotation is: true [2020-07-20 01:12:33,409 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 534 542) no Hoare annotation was computed. [2020-07-20 01:12:33,409 INFO L268 CegarLoopResult]: For program point L496(lines 496 504) no Hoare annotation was computed. [2020-07-20 01:12:33,409 INFO L268 CegarLoopResult]: For program point L496-2(lines 496 504) no Hoare annotation was computed. [2020-07-20 01:12:33,409 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-20 01:12:33,410 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 488 510) no Hoare annotation was computed. [2020-07-20 01:12:33,410 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-20 01:12:33,410 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 654 663) no Hoare annotation was computed. [2020-07-20 01:12:33,410 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 654 663) no Hoare annotation was computed. [2020-07-20 01:12:33,410 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 654 663) no Hoare annotation was computed. [2020-07-20 01:12:33,410 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 858 960) no Hoare annotation was computed. [2020-07-20 01:12:33,410 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-20 01:12:33,410 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-20 01:12:33,411 INFO L268 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-07-20 01:12:33,411 INFO L268 CegarLoopResult]: For program point L946(lines 946 957) no Hoare annotation was computed. [2020-07-20 01:12:33,411 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-20 01:12:33,411 INFO L268 CegarLoopResult]: For program point L907-2(lines 907 927) no Hoare annotation was computed. [2020-07-20 01:12:33,411 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 858 960) no Hoare annotation was computed. [2020-07-20 01:12:33,411 INFO L268 CegarLoopResult]: For program point L928(lines 906 929) no Hoare annotation was computed. [2020-07-20 01:12:33,411 INFO L268 CegarLoopResult]: For program point L887(lines 887 903) no Hoare annotation was computed. [2020-07-20 01:12:33,411 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-20 01:12:33,411 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 858 960) no Hoare annotation was computed. [2020-07-20 01:12:33,412 INFO L268 CegarLoopResult]: For program point L908(lines 907 927) no Hoare annotation was computed. [2020-07-20 01:12:33,412 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-20 01:12:33,412 INFO L268 CegarLoopResult]: For program point L939-1(line 939) no Hoare annotation was computed. [2020-07-20 01:12:33,412 INFO L268 CegarLoopResult]: For program point L904(lines 904 945) no Hoare annotation was computed. [2020-07-20 01:12:33,412 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:12:33,412 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:12:33,412 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:12:33,413 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-07-20 01:12:33,413 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 01:12:33,413 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-20 01:12:33,413 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 298 314) no Hoare annotation was computed. [2020-07-20 01:12:33,413 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 298 314) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 01:12:33,413 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse3))) [2020-07-20 01:12:33,413 INFO L268 CegarLoopResult]: For program point L309-1(lines 298 314) no Hoare annotation was computed. [2020-07-20 01:12:33,414 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 511 519) the Hoare annotation is: true [2020-07-20 01:12:33,414 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 511 519) no Hoare annotation was computed. [2020-07-20 01:12:33,414 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 511 519) no Hoare annotation was computed. [2020-07-20 01:12:33,414 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-20 01:12:33,414 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2020-07-20 01:12:33,414 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2020-07-20 01:12:33,414 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2020-07-20 01:12:33,414 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-07-20 01:12:33,414 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-20 01:12:33,415 INFO L268 CegarLoopResult]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2020-07-20 01:12:33,415 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 467 478) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= 2 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse5) (or .cse0 (not (<= ~waterLevel~0 2)) (= 0 ~systemActive~0) .cse2 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse6 .cse2 .cse3) (or .cse4 .cse6 .cse3 .cse5))) [2020-07-20 01:12:33,415 INFO L268 CegarLoopResult]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2020-07-20 01:12:33,415 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 467 478) no Hoare annotation was computed. [2020-07-20 01:12:33,415 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:12:33,415 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:12:33,415 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:12:33,416 INFO L264 CegarLoopResult]: At program point L192(lines 192 198) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse12 (= 1 ~waterLevel~0))) (let ((.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse9 (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse12)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (and .cse0 .cse12)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (not (= 1 |old(~waterLevel~0)|)))) (and (or (and (= 2 ~waterLevel~0) .cse0) .cse1 .cse2 .cse3 .cse4 (and (not .cse5) .cse6 (<= 1 ~pumpRunning~0))) (or .cse7 .cse8 .cse5 .cse3 .cse4 .cse9) (or .cse7 .cse10 .cse1 .cse11) (or .cse8 .cse5 .cse2 .cse3 .cse4 .cse9) (or (and .cse0 .cse6) .cse7 .cse1 .cse3 .cse4) (or .cse10 .cse1 .cse2 .cse11)))) [2020-07-20 01:12:33,416 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse2 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse8 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse7) (or .cse3 .cse0 .cse2) (or .cse3 .cse0 .cse6 .cse7) (or .cse4 .cse5 .cse1 .cse6 .cse7 .cse8))) [2020-07-20 01:12:33,416 INFO L268 CegarLoopResult]: For program point L185(lines 181 203) no Hoare annotation was computed. [2020-07-20 01:12:33,416 INFO L268 CegarLoopResult]: For program point L183(lines 181 203) no Hoare annotation was computed. [2020-07-20 01:12:33,416 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse13 (= 2 ~waterLevel~0)) (.cse14 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and .cse11 (not .cse2) .cse13 .cse14 .cse15 (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse12 .cse14 .cse15)) (.cse9 (not (= 1 |old(~waterLevel~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse11 .cse12 .cse13 .cse14 .cse15)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (< 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse3 .cse4 .cse7 .cse5) (or .cse8 .cse6 .cse3 .cse9) (or .cse10 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse10 .cse8 .cse6 .cse9) (or .cse10 .cse6 .cse7 .cse4 .cse5)))) [2020-07-20 01:12:33,416 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2020-07-20 01:12:33,417 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2020-07-20 01:12:33,417 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse11 (not .cse9)) (.cse12 (= 0 ~pumpRunning~0)) (.cse13 (= 1 ~waterLevel~0))) (let ((.cse2 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (and .cse11 .cse12 .cse13)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (and .cse11 .cse12 (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse4 .cse5 .cse6 .cse10) (or .cse0 .cse8 .cse9 .cse5 .cse6 .cse10) (or .cse1 .cse4 .cse5 .cse6 .cse7))))) [2020-07-20 01:12:33,417 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2020-07-20 01:12:33,417 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2020-07-20 01:12:33,417 INFO L271 CegarLoopResult]: At program point L570(lines 545 574) the Hoare annotation is: true [2020-07-20 01:12:33,417 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 01:12:33,418 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-07-20 01:12:33,418 INFO L271 CegarLoopResult]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2020-07-20 01:12:33,418 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 01:12:33,418 INFO L271 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2020-07-20 01:12:33,418 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-07-20 01:12:33,418 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-07-20 01:12:33,418 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 479 487) the Hoare annotation is: true [2020-07-20 01:12:33,418 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 479 487) no Hoare annotation was computed. [2020-07-20 01:12:33,419 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 479 487) no Hoare annotation was computed. [2020-07-20 01:12:33,419 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 443 454) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse4 .cse2 .cse3 .cse5))) [2020-07-20 01:12:33,419 INFO L268 CegarLoopResult]: For program point L447-1(lines 443 454) no Hoare annotation was computed. [2020-07-20 01:12:33,419 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 443 454) no Hoare annotation was computed. [2020-07-20 01:12:33,419 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-20 01:12:33,419 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 599 605) the Hoare annotation is: true [2020-07-20 01:12:33,419 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:12:33,419 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 01:12:33,419 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:12:33,420 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:12:33,420 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-20 01:12:33,420 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 432 439) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse0 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse5 .cse6) (or .cse4 .cse0 .cse7 .cse6) (or .cse4 .cse0 .cse1 .cse5 .cse3) (or .cse0 .cse7 .cse2 .cse6))) [2020-07-20 01:12:33,420 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-20 01:12:33,420 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 213 237) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse1 .cse4) (or .cse6 .cse2 .cse1 .cse3 .cse4))) [2020-07-20 01:12:33,420 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse1 .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse6 .cse5 .cse2 .cse1))) [2020-07-20 01:12:33,421 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-20 01:12:33,421 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 213 237) no Hoare annotation was computed. [2020-07-20 01:12:33,421 INFO L264 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse1 .cse4) (or .cse6 .cse2 .cse1 .cse3 .cse4))) [2020-07-20 01:12:33,421 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-20 01:12:33,421 INFO L268 CegarLoopResult]: For program point L217(lines 217 234) no Hoare annotation was computed. [2020-07-20 01:12:33,421 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse2 .cse1 .cse3) (or .cse4 .cse5 .cse2 .cse1))) [2020-07-20 01:12:33,421 INFO L268 CegarLoopResult]: For program point L232-1(lines 213 237) no Hoare annotation was computed. [2020-07-20 01:12:33,422 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (let ((.cse2 (not (= 1 ~waterLevel~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 2 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse4 .cse3 .cse6) (or .cse0 .cse2 .cse3 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse3))) [2020-07-20 01:12:33,422 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 455 466) no Hoare annotation was computed. [2020-07-20 01:12:33,422 INFO L268 CegarLoopResult]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2020-07-20 01:12:33,422 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 455 466) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= 0 ~systemActive~0) .cse1 (= 2 ~waterLevel~0) (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse1 .cse2 .cse5 .cse3))) [2020-07-20 01:12:33,422 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 644 651) no Hoare annotation was computed. [2020-07-20 01:12:33,422 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2020-07-20 01:12:33,423 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 644 651) the Hoare annotation is: true [2020-07-20 01:12:33,423 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 644 651) no Hoare annotation was computed. [2020-07-20 01:12:33,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:12:33 BoogieIcfgContainer [2020-07-20 01:12:33,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:12:33,447 INFO L168 Benchmark]: Toolchain (without parser) took 230778.95 ms. Allocated memory was 134.7 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 97.1 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-07-20 01:12:33,448 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 134.7 MB. Free memory is still 116.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 01:12:33,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.75 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 96.7 MB in the beginning and 167.2 MB in the end (delta: -70.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:12:33,449 INFO L168 Benchmark]: Boogie Preprocessor took 125.46 ms. Allocated memory is still 200.3 MB. Free memory was 167.2 MB in the beginning and 163.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:12:33,449 INFO L168 Benchmark]: RCFGBuilder took 1478.52 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 163.0 MB in the beginning and 187.8 MB in the end (delta: -24.8 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. [2020-07-20 01:12:33,449 INFO L168 Benchmark]: TraceAbstraction took 228445.51 ms. Allocated memory was 226.0 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 187.8 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-07-20 01:12:33,451 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 134.7 MB. Free memory is still 116.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.75 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 96.7 MB in the beginning and 167.2 MB in the end (delta: -70.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.46 ms. Allocated memory is still 200.3 MB. Free memory was 167.2 MB in the beginning and 163.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1478.52 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 163.0 MB in the beginning and 187.8 MB in the end (delta: -24.8 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228445.51 ms. Allocated memory was 226.0 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 187.8 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 648]: 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: 108]: Loop Invariant Derived loop invariant: (((((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) && 2 == waterLevel) && 1 <= pumpRunning) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel)) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == waterLevel)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || ((((waterLevel <= \old(waterLevel) + 1 && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel)) || !(1 == \old(waterLevel))) || ((((waterLevel <= \old(waterLevel) + 1 && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 2 == waterLevel) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 272 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 140.9s, OverallIterations: 13, TraceHistogramMax: 7, AutomataDifference: 120.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 87.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3103 SDtfs, 8871 SDslu, 7688 SDs, 0 SdLazy, 38847 SolverSat, 7964 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2988 GetRequests, 2486 SyntacticMatches, 8 SemanticMatches, 494 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13401 ImplicationChecksByTransitivity, 56.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7285occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 6939 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 10876 PreInvPairs, 11107 NumberOfFragments, 4490 HoareAnnotationTreeSize, 10876 FomulaSimplifications, 8062604819 FormulaSimplificationTreeSizeReduction, 27.9s HoareSimplificationTime, 77 FomulaSimplificationsInter, 49841088 FormulaSimplificationTreeSizeReductionInter, 58.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 3888 NumberOfCodeBlocks, 3541 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3870 ConstructedInterpolants, 0 QuantifiedInterpolants, 2122693 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5962 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2912/3054 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...