/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:49:22,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:49:22,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:49:22,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:49:22,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:49:22,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:49:22,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:49:22,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:49:22,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:49:22,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:49:22,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:49:22,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:49:22,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:49:22,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:49:22,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:49:22,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:49:22,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:49:22,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:49:22,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:49:22,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:49:22,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:49:22,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:49:22,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:49:22,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:49:22,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:49:22,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:49:22,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:49:22,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:49:22,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:49:22,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:49:22,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:49:22,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:49:22,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:49:22,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:49:22,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:49:22,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:49:22,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:49:22,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:49:22,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:49:22,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:49:22,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:49:22,371 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 [2020-07-07 10:49:22,385 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:49:22,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:49:22,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:49:22,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:49:22,387 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:49:22,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:49:22,387 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:49:22,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:49:22,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:49:22,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:49:22,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:49:22,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:49:22,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:49:22,388 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:49:22,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:49:22,389 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:49:22,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:49:22,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:49:22,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:49:22,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:49:22,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:49:22,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:49:22,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:49:22,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:49:22,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:49:22,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:49:22,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:49:22,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:49:22,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:49:22,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:49:22,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:49:22,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:49:22,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:49:22,676 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:49:22,676 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:49:22,677 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-07 10:49:22,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a236e6cd/9ae773b4819c405eb8dc9a495bffa66a/FLAG1f26a1995 [2020-07-07 10:49:23,236 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:49:23,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-07 10:49:23,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a236e6cd/9ae773b4819c405eb8dc9a495bffa66a/FLAG1f26a1995 [2020-07-07 10:49:23,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a236e6cd/9ae773b4819c405eb8dc9a495bffa66a [2020-07-07 10:49:23,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:49:23,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:49:23,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:23,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:49:23,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:49:23,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:23" (1/1) ... [2020-07-07 10:49:23,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0ee1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:23, skipping insertion in model container [2020-07-07 10:49:23,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:49:23" (1/1) ... [2020-07-07 10:49:23,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:49:23,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:49:24,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:24,028 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:49:24,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:49:24,172 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:49:24,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:24 WrapperNode [2020-07-07 10:49:24,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:49:24,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:49:24,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:49:24,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:49:24,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:24" (1/1) ... [2020-07-07 10:49:24,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:24" (1/1) ... [2020-07-07 10:49:24,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:24" (1/1) ... [2020-07-07 10:49:24,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:24" (1/1) ... [2020-07-07 10:49:24,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:24" (1/1) ... [2020-07-07 10:49:24,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:24" (1/1) ... [2020-07-07 10:49:24,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:24" (1/1) ... [2020-07-07 10:49:24,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:49:24,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:49:24,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:49:24,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:49:24,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:24" (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 [2020-07-07 10:49:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:49:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:49:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:49:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:49:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:49:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:49:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:49:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:49:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:49:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:49:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:49:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:49:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:49:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:49:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:49:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:49:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:49:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:49:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:49:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:49:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:49:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:49:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:49:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:49:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:49:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:49:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:49:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:49:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:49:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:49:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:49:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:49:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:49:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:49:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:49:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:49:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:49:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:49:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:49:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:49:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:49:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:49:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:49:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:49:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:49:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:49:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:49:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:49:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:49:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:49:25,321 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:49:25,322 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:49:25,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:25 BoogieIcfgContainer [2020-07-07 10:49:25,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:49:25,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:49:25,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:49:25,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:49:25,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:49:23" (1/3) ... [2020-07-07 10:49:25,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2942808a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:25, skipping insertion in model container [2020-07-07 10:49:25,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:49:24" (2/3) ... [2020-07-07 10:49:25,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2942808a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:49:25, skipping insertion in model container [2020-07-07 10:49:25,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:49:25" (3/3) ... [2020-07-07 10:49:25,335 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-07-07 10:49:25,345 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:49:25,352 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:49:25,366 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:49:25,389 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:49:25,389 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:49:25,390 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:49:25,390 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:49:25,390 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:49:25,390 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:49:25,391 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:49:25,391 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:49:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-07-07 10:49:25,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:49:25,422 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:25,423 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] [2020-07-07 10:49:25,424 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:25,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:25,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1834170296, now seen corresponding path program 1 times [2020-07-07 10:49:25,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:25,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243652594] [2020-07-07 10:49:25,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,096 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:26,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243652594] [2020-07-07 10:49:26,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:26,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:49:26,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131735276] [2020-07-07 10:49:26,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:49:26,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:26,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:49:26,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:26,275 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 4 states. [2020-07-07 10:49:27,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:27,358 INFO L93 Difference]: Finished difference Result 318 states and 403 transitions. [2020-07-07 10:49:27,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:49:27,360 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:49:27,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:27,375 INFO L225 Difference]: With dead ends: 318 [2020-07-07 10:49:27,375 INFO L226 Difference]: Without dead ends: 176 [2020-07-07 10:49:27,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:49:27,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-07 10:49:27,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 143. [2020-07-07 10:49:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-07 10:49:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2020-07-07 10:49:27,463 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2020-07-07 10:49:27,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:27,464 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2020-07-07 10:49:27,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:49:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2020-07-07 10:49:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:49:27,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:27,468 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] [2020-07-07 10:49:27,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:49:27,469 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:27,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:27,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1514103119, now seen corresponding path program 1 times [2020-07-07 10:49:27,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:27,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653724010] [2020-07-07 10:49:27,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,794 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:27,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653724010] [2020-07-07 10:49:27,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:27,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:49:27,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443534354] [2020-07-07 10:49:27,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:49:27,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:27,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:49:27,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:49:27,908 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 5 states. [2020-07-07 10:49:28,379 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:29,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:29,369 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2020-07-07 10:49:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:49:29,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:49:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:29,374 INFO L225 Difference]: With dead ends: 250 [2020-07-07 10:49:29,374 INFO L226 Difference]: Without dead ends: 166 [2020-07-07 10:49:29,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:49:29,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-07 10:49:29,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 134. [2020-07-07 10:49:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-07 10:49:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2020-07-07 10:49:29,415 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2020-07-07 10:49:29,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:29,415 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2020-07-07 10:49:29,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:49:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2020-07-07 10:49:29,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:49:29,418 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:29,418 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] [2020-07-07 10:49:29,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:49:29,419 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:29,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:29,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1793464780, now seen corresponding path program 1 times [2020-07-07 10:49:29,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:29,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726436695] [2020-07-07 10:49:29,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,749 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:29,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726436695] [2020-07-07 10:49:29,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:29,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:29,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406155615] [2020-07-07 10:49:29,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:29,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:29,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:29,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:29,879 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 9 states. [2020-07-07 10:49:30,256 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:30,541 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:30,772 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:31,025 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:31,881 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:33,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:33,488 INFO L93 Difference]: Finished difference Result 451 states and 548 transitions. [2020-07-07 10:49:33,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:49:33,488 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-07 10:49:33,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:33,494 INFO L225 Difference]: With dead ends: 451 [2020-07-07 10:49:33,494 INFO L226 Difference]: Without dead ends: 345 [2020-07-07 10:49:33,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:49:33,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-07 10:49:33,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 272. [2020-07-07 10:49:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-07 10:49:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 322 transitions. [2020-07-07 10:49:33,567 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 322 transitions. Word has length 65 [2020-07-07 10:49:33,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:33,568 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 322 transitions. [2020-07-07 10:49:33,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2020-07-07 10:49:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-07 10:49:33,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:33,571 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] [2020-07-07 10:49:33,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:49:33,572 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:33,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:33,572 INFO L82 PathProgramCache]: Analyzing trace with hash -10520395, now seen corresponding path program 1 times [2020-07-07 10:49:33,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:33,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442808064] [2020-07-07 10:49:33,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,888 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:49:34,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442808064] [2020-07-07 10:49:34,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:34,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:34,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935869957] [2020-07-07 10:49:34,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:34,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:34,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:34,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:34,038 INFO L87 Difference]: Start difference. First operand 272 states and 322 transitions. Second operand 9 states. [2020-07-07 10:49:34,529 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:35,231 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:36,068 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:36,307 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:36,615 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:36,875 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:37,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:37,448 INFO L93 Difference]: Finished difference Result 695 states and 884 transitions. [2020-07-07 10:49:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:49:37,449 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-07 10:49:37,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:37,453 INFO L225 Difference]: With dead ends: 695 [2020-07-07 10:49:37,454 INFO L226 Difference]: Without dead ends: 451 [2020-07-07 10:49:37,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:49:37,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-07-07 10:49:37,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 387. [2020-07-07 10:49:37,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-07-07 10:49:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 459 transitions. [2020-07-07 10:49:37,556 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 459 transitions. Word has length 70 [2020-07-07 10:49:37,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:37,557 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 459 transitions. [2020-07-07 10:49:37,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 459 transitions. [2020-07-07 10:49:37,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:49:37,560 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:37,560 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] [2020-07-07 10:49:37,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:49:37,560 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:37,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:37,561 INFO L82 PathProgramCache]: Analyzing trace with hash -762155168, now seen corresponding path program 1 times [2020-07-07 10:49:37,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:37,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288993951] [2020-07-07 10:49:37,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,855 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:38,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:38,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288993951] [2020-07-07 10:49:38,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:38,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:38,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251101541] [2020-07-07 10:49:38,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:38,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:38,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:38,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:38,036 INFO L87 Difference]: Start difference. First operand 387 states and 459 transitions. Second operand 9 states. [2020-07-07 10:49:38,556 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:39,516 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:39,790 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:40,044 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:40,310 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:41,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:41,640 INFO L93 Difference]: Finished difference Result 1214 states and 1597 transitions. [2020-07-07 10:49:41,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:49:41,641 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-07-07 10:49:41,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:41,646 INFO L225 Difference]: With dead ends: 1214 [2020-07-07 10:49:41,647 INFO L226 Difference]: Without dead ends: 855 [2020-07-07 10:49:41,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:41,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-07-07 10:49:41,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 733. [2020-07-07 10:49:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-07-07 10:49:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 874 transitions. [2020-07-07 10:49:41,770 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 874 transitions. Word has length 103 [2020-07-07 10:49:41,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:41,770 INFO L479 AbstractCegarLoop]: Abstraction has 733 states and 874 transitions. [2020-07-07 10:49:41,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 874 transitions. [2020-07-07 10:49:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:49:41,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:41,774 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] [2020-07-07 10:49:41,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:49:41,775 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:41,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:41,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1731736191, now seen corresponding path program 1 times [2020-07-07 10:49:41,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:41,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481619486] [2020-07-07 10:49:41,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,041 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:42,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481619486] [2020-07-07 10:49:42,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:42,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:49:42,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417732167] [2020-07-07 10:49:42,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:49:42,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:42,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:49:42,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:49:42,183 INFO L87 Difference]: Start difference. First operand 733 states and 874 transitions. Second operand 9 states. [2020-07-07 10:49:43,318 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:43,569 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:49:43,827 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:44,055 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:44,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:44,786 INFO L93 Difference]: Finished difference Result 1573 states and 2006 transitions. [2020-07-07 10:49:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:49:44,787 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-07-07 10:49:44,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:44,794 INFO L225 Difference]: With dead ends: 1573 [2020-07-07 10:49:44,794 INFO L226 Difference]: Without dead ends: 868 [2020-07-07 10:49:44,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:49:44,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-07-07 10:49:44,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 753. [2020-07-07 10:49:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-07-07 10:49:44,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 894 transitions. [2020-07-07 10:49:44,958 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 894 transitions. Word has length 103 [2020-07-07 10:49:44,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:44,960 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 894 transitions. [2020-07-07 10:49:44,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:49:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 894 transitions. [2020-07-07 10:49:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 10:49:44,966 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:44,967 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] [2020-07-07 10:49:44,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:49:44,969 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:44,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:44,969 INFO L82 PathProgramCache]: Analyzing trace with hash 513843263, now seen corresponding path program 1 times [2020-07-07 10:49:44,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:44,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930709540] [2020-07-07 10:49:44,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,247 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:45,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930709540] [2020-07-07 10:49:45,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:45,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:49:45,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752774364] [2020-07-07 10:49:45,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:49:45,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:45,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:49:45,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:49:45,389 INFO L87 Difference]: Start difference. First operand 753 states and 894 transitions. Second operand 11 states. [2020-07-07 10:49:46,075 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:46,299 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:46,530 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:47,306 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:47,549 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:47,791 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:48,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:48,595 INFO L93 Difference]: Finished difference Result 1392 states and 1738 transitions. [2020-07-07 10:49:48,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:49:48,596 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-07-07 10:49:48,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:48,601 INFO L225 Difference]: With dead ends: 1392 [2020-07-07 10:49:48,601 INFO L226 Difference]: Without dead ends: 667 [2020-07-07 10:49:48,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:49:48,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-07-07 10:49:48,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 590. [2020-07-07 10:49:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-07-07 10:49:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 686 transitions. [2020-07-07 10:49:48,705 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 686 transitions. Word has length 103 [2020-07-07 10:49:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:48,706 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 686 transitions. [2020-07-07 10:49:48,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:49:48,707 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 686 transitions. [2020-07-07 10:49:48,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-07 10:49:48,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:48,710 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] [2020-07-07 10:49:48,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:49:48,711 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:48,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:48,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1595809660, now seen corresponding path program 1 times [2020-07-07 10:49:48,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:48,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714254033] [2020-07-07 10:49:48,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,101 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:49,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:49:49,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714254033] [2020-07-07 10:49:49,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:49:49,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-07 10:49:49,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722602334] [2020-07-07 10:49:49,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 10:49:49,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:49,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 10:49:49,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:49:49,321 INFO L87 Difference]: Start difference. First operand 590 states and 686 transitions. Second operand 13 states. [2020-07-07 10:49:49,883 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:50,556 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:51,271 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:51,616 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:51,882 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:52,173 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:52,450 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:49:54,039 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:54,299 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:49:54,572 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:49:55,049 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:49:55,399 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:56,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:49:56,335 INFO L93 Difference]: Finished difference Result 2065 states and 2691 transitions. [2020-07-07 10:49:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-07 10:49:56,336 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 107 [2020-07-07 10:49:56,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:49:56,345 INFO L225 Difference]: With dead ends: 2065 [2020-07-07 10:49:56,346 INFO L226 Difference]: Without dead ends: 1679 [2020-07-07 10:49:56,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=431, Invalid=1731, Unknown=0, NotChecked=0, Total=2162 [2020-07-07 10:49:56,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2020-07-07 10:49:56,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1494. [2020-07-07 10:49:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-07-07 10:49:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1784 transitions. [2020-07-07 10:49:56,645 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1784 transitions. Word has length 107 [2020-07-07 10:49:56,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:49:56,648 INFO L479 AbstractCegarLoop]: Abstraction has 1494 states and 1784 transitions. [2020-07-07 10:49:56,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 10:49:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1784 transitions. [2020-07-07 10:49:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-07 10:49:56,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:49:56,652 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:49:56,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:49:56,653 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:49:56,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:49:56,654 INFO L82 PathProgramCache]: Analyzing trace with hash 439174861, now seen corresponding path program 1 times [2020-07-07 10:49:56,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:49:56,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851778790] [2020-07-07 10:49:56,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:49:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:56,944 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:49:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,198 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-07 10:49:57,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851778790] [2020-07-07 10:49:57,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167490387] [2020-07-07 10:49:57,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:49:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:49:57,470 INFO L264 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:49:57,499 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:49:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:49:57,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:49:57,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:49:57,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502721677] [2020-07-07 10:49:57,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:49:57,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:49:57,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:49:57,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:49:57,688 INFO L87 Difference]: Start difference. First operand 1494 states and 1784 transitions. Second operand 20 states. [2020-07-07 10:49:58,216 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:49:58,561 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:49:58,831 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:49:59,070 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:49:59,786 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:00,048 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:00,392 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:00,680 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:01,991 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:02,756 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:50:03,252 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:50:03,573 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:04,336 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:50:05,152 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:50:05,381 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:05,639 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:05,919 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:06,579 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:07,301 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:50:07,797 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:50:08,054 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:08,307 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:08,565 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:08,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:08,777 INFO L93 Difference]: Finished difference Result 3065 states and 3773 transitions. [2020-07-07 10:50:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-07 10:50:08,778 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 151 [2020-07-07 10:50:08,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:08,789 INFO L225 Difference]: With dead ends: 3065 [2020-07-07 10:50:08,789 INFO L226 Difference]: Without dead ends: 1769 [2020-07-07 10:50:08,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=791, Invalid=2991, Unknown=0, NotChecked=0, Total=3782 [2020-07-07 10:50:08,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2020-07-07 10:50:09,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1580. [2020-07-07 10:50:09,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1580 states. [2020-07-07 10:50:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 1833 transitions. [2020-07-07 10:50:09,167 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 1833 transitions. Word has length 151 [2020-07-07 10:50:09,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:09,168 INFO L479 AbstractCegarLoop]: Abstraction has 1580 states and 1833 transitions. [2020-07-07 10:50:09,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:50:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1833 transitions. [2020-07-07 10:50:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-07-07 10:50:09,177 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:09,178 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:09,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:50:09,393 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:09,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:09,394 INFO L82 PathProgramCache]: Analyzing trace with hash -31492180, now seen corresponding path program 1 times [2020-07-07 10:50:09,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:09,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350705180] [2020-07-07 10:50:09,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,725 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,152 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 81 proven. 31 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-07-07 10:50:10,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350705180] [2020-07-07 10:50:10,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889852734] [2020-07-07 10:50:10,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:50:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:10,490 INFO L264 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-07 10:50:10,514 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-07-07 10:50:10,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:50:10,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2020-07-07 10:50:10,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040131141] [2020-07-07 10:50:10,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:50:10,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:10,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:50:10,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:50:10,659 INFO L87 Difference]: Start difference. First operand 1580 states and 1833 transitions. Second operand 3 states. [2020-07-07 10:50:11,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:11,048 INFO L93 Difference]: Finished difference Result 2539 states and 2957 transitions. [2020-07-07 10:50:11,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:50:11,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-07-07 10:50:11,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:11,055 INFO L225 Difference]: With dead ends: 2539 [2020-07-07 10:50:11,055 INFO L226 Difference]: Without dead ends: 1010 [2020-07-07 10:50:11,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:50:11,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2020-07-07 10:50:11,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 985. [2020-07-07 10:50:11,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 985 states. [2020-07-07 10:50:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1123 transitions. [2020-07-07 10:50:11,307 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1123 transitions. Word has length 274 [2020-07-07 10:50:11,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:11,308 INFO L479 AbstractCegarLoop]: Abstraction has 985 states and 1123 transitions. [2020-07-07 10:50:11,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:50:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1123 transitions. [2020-07-07 10:50:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-07-07 10:50:11,314 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:11,315 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2020-07-07 10:50:11,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:50:11,529 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:11,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:11,529 INFO L82 PathProgramCache]: Analyzing trace with hash -395861888, now seen corresponding path program 1 times [2020-07-07 10:50:11,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:11,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931365866] [2020-07-07 10:50:11,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,844 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 108 proven. 50 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-07-07 10:50:12,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931365866] [2020-07-07 10:50:12,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005974228] [2020-07-07 10:50:12,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:50:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:12,529 INFO L264 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:50:12,537 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 263 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-07-07 10:50:12,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:12,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 27 [2020-07-07 10:50:12,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860065133] [2020-07-07 10:50:12,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-07 10:50:12,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:12,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-07 10:50:12,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:50:12,842 INFO L87 Difference]: Start difference. First operand 985 states and 1123 transitions. Second operand 27 states. [2020-07-07 10:50:13,668 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 10:50:14,581 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:15,681 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:50:16,204 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:50:16,448 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:16,960 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:50:17,209 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:17,547 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:17,861 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:18,113 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:18,800 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:19,144 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:23,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:23,764 INFO L93 Difference]: Finished difference Result 2760 states and 3621 transitions. [2020-07-07 10:50:23,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-07 10:50:23,765 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 313 [2020-07-07 10:50:23,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:23,776 INFO L225 Difference]: With dead ends: 2760 [2020-07-07 10:50:23,777 INFO L226 Difference]: Without dead ends: 1826 [2020-07-07 10:50:23,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2061 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1156, Invalid=5816, Unknown=0, NotChecked=0, Total=6972 [2020-07-07 10:50:23,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2020-07-07 10:50:24,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1168. [2020-07-07 10:50:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2020-07-07 10:50:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1336 transitions. [2020-07-07 10:50:24,091 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1336 transitions. Word has length 313 [2020-07-07 10:50:24,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:24,094 INFO L479 AbstractCegarLoop]: Abstraction has 1168 states and 1336 transitions. [2020-07-07 10:50:24,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-07 10:50:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1336 transitions. [2020-07-07 10:50:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-07-07 10:50:24,103 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:24,104 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-07-07 10:50:24,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:50:24,318 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:24,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:24,318 INFO L82 PathProgramCache]: Analyzing trace with hash -2075814644, now seen corresponding path program 1 times [2020-07-07 10:50:24,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:24,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965549378] [2020-07-07 10:50:24,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,612 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 120 proven. 48 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-07-07 10:50:24,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965549378] [2020-07-07 10:50:24,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41519785] [2020-07-07 10:50:24,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:50:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:25,225 INFO L264 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-07 10:50:25,236 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 299 proven. 14 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-07-07 10:50:25,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:25,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9] total 24 [2020-07-07 10:50:25,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397364240] [2020-07-07 10:50:25,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:50:25,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:25,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:50:25,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:50:25,432 INFO L87 Difference]: Start difference. First operand 1168 states and 1336 transitions. Second operand 24 states. [2020-07-07 10:50:26,441 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:50:26,987 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:27,465 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:27,924 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:50:28,996 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:30,370 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:30,851 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:31,411 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:32,288 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:32,947 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:33,193 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:34,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:34,175 INFO L93 Difference]: Finished difference Result 2361 states and 2836 transitions. [2020-07-07 10:50:34,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-07 10:50:34,176 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 325 [2020-07-07 10:50:34,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:34,186 INFO L225 Difference]: With dead ends: 2361 [2020-07-07 10:50:34,187 INFO L226 Difference]: Without dead ends: 1353 [2020-07-07 10:50:34,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=542, Invalid=2320, Unknown=0, NotChecked=0, Total=2862 [2020-07-07 10:50:34,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-07-07 10:50:34,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1170. [2020-07-07 10:50:34,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1170 states. [2020-07-07 10:50:34,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1335 transitions. [2020-07-07 10:50:34,481 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1335 transitions. Word has length 325 [2020-07-07 10:50:34,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:34,482 INFO L479 AbstractCegarLoop]: Abstraction has 1170 states and 1335 transitions. [2020-07-07 10:50:34,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:50:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1335 transitions. [2020-07-07 10:50:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-07-07 10:50:34,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:34,492 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:34,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:34,705 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:34,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:34,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1304234516, now seen corresponding path program 1 times [2020-07-07 10:50:34,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:34,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853297975] [2020-07-07 10:50:34,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,059 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2020-07-07 10:50:35,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853297975] [2020-07-07 10:50:35,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474926193] [2020-07-07 10:50:35,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-07 10:50:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:35,791 INFO L264 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 32 conjunts are in the unsatisfiable core [2020-07-07 10:50:35,806 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 267 proven. 12 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-07-07 10:50:36,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:36,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2020-07-07 10:50:36,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564563594] [2020-07-07 10:50:36,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-07 10:50:36,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:36,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-07 10:50:36,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:50:36,191 INFO L87 Difference]: Start difference. First operand 1170 states and 1335 transitions. Second operand 26 states. [2020-07-07 10:50:36,778 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:37,656 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:38,502 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:39,035 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:50:39,501 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:50:40,006 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:50:40,256 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:40,601 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:40,898 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:41,385 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:50:42,360 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:50:42,959 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:50:45,429 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:45,787 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:46,277 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:50:46,745 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:50:49,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:49,874 INFO L93 Difference]: Finished difference Result 2704 states and 3480 transitions. [2020-07-07 10:50:49,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-07-07 10:50:49,875 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 331 [2020-07-07 10:50:49,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:49,876 INFO L225 Difference]: With dead ends: 2704 [2020-07-07 10:50:49,876 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:50:49,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 465 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2564 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=1534, Invalid=6656, Unknown=0, NotChecked=0, Total=8190 [2020-07-07 10:50:49,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:50:49,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:50:49,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:50:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:50:49,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 331 [2020-07-07 10:50:49,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:49,889 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:50:49,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-07 10:50:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:50:49,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:50:50,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-07 10:50:50,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:50:53,120 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 572 DAG size of output: 455 [2020-07-07 10:51:02,566 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 361 [2020-07-07 10:51:05,383 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 314 [2020-07-07 10:51:06,359 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 399 [2020-07-07 10:51:07,061 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 345 [2020-07-07 10:51:08,515 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 349 [2020-07-07 10:51:09,005 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2020-07-07 10:51:11,443 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 15 [2020-07-07 10:51:12,155 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 25 [2020-07-07 10:51:12,360 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:51:12,556 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-07 10:51:12,729 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-07 10:51:13,126 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:51:13,318 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:51:16,472 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 362 DAG size of output: 36 [2020-07-07 10:51:16,648 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2020-07-07 10:51:16,798 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-07 10:51:17,139 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2020-07-07 10:51:17,310 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2020-07-07 10:51:18,001 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 29 [2020-07-07 10:51:18,633 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 57 [2020-07-07 10:51:19,406 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 26 [2020-07-07 10:51:19,608 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:21,002 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 253 DAG size of output: 39 [2020-07-07 10:51:21,172 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2020-07-07 10:51:21,413 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-07-07 10:51:22,543 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 224 DAG size of output: 32 [2020-07-07 10:51:22,885 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 15 [2020-07-07 10:51:24,493 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 268 DAG size of output: 40 [2020-07-07 10:51:24,839 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 15 [2020-07-07 10:51:25,031 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-07 10:51:25,213 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-07 10:51:26,919 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 200 DAG size of output: 39 [2020-07-07 10:51:28,155 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 242 DAG size of output: 30 [2020-07-07 10:51:28,789 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 24 [2020-07-07 10:51:29,383 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 26 [2020-07-07 10:51:29,941 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 18 [2020-07-07 10:51:31,176 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 255 DAG size of output: 40 [2020-07-07 10:51:31,315 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2020-07-07 10:51:31,492 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-07 10:51:31,675 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-07 10:51:32,536 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 28 [2020-07-07 10:51:34,447 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 308 DAG size of output: 34 [2020-07-07 10:51:34,630 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-07 10:51:34,814 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-07 10:51:34,984 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-07-07 10:51:36,077 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 258 DAG size of output: 29 [2020-07-07 10:51:36,268 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-07 10:51:36,452 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-07 10:51:36,627 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-07 10:51:37,360 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 52 [2020-07-07 10:51:37,912 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2020-07-07 10:51:38,928 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 262 DAG size of output: 29 [2020-07-07 10:51:39,770 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 31 [2020-07-07 10:51:40,179 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 24 [2020-07-07 10:51:40,524 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 15 [2020-07-07 10:51:41,505 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 32 [2020-07-07 10:51:41,522 INFO L268 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2020-07-07 10:51:41,523 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 228) no Hoare annotation was computed. [2020-07-07 10:51:41,523 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-07 10:51:41,523 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 239) no Hoare annotation was computed. [2020-07-07 10:51:41,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 193 248) no Hoare annotation was computed. [2020-07-07 10:51:41,523 INFO L268 CegarLoopResult]: For program point L240(lines 217 241) no Hoare annotation was computed. [2020-07-07 10:51:41,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 193 248) no Hoare annotation was computed. [2020-07-07 10:51:41,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 193 248) no Hoare annotation was computed. [2020-07-07 10:51:41,524 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-07 10:51:41,524 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 285) no Hoare annotation was computed. [2020-07-07 10:51:41,524 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 249 308) no Hoare annotation was computed. [2020-07-07 10:51:41,524 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-07-07 10:51:41,524 INFO L268 CegarLoopResult]: For program point L275-2(lines 275 300) no Hoare annotation was computed. [2020-07-07 10:51:41,524 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 249 308) no Hoare annotation was computed. [2020-07-07 10:51:41,524 INFO L268 CegarLoopResult]: For program point L301(lines 274 302) no Hoare annotation was computed. [2020-07-07 10:51:41,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 249 308) no Hoare annotation was computed. [2020-07-07 10:51:41,525 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-07-07 10:51:41,525 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-07 10:51:41,525 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2020-07-07 10:51:41,525 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2020-07-07 10:51:41,525 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2020-07-07 10:51:41,525 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2020-07-07 10:51:41,525 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2020-07-07 10:51:41,526 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:51:41,526 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2020-07-07 10:51:41,526 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2020-07-07 10:51:41,526 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 (not (< 1 ~waterLevel~0)) .cse1 .cse3 .cse4))) [2020-07-07 10:51:41,526 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-07 10:51:41,526 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2020-07-07 10:51:41,526 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2020-07-07 10:51:41,527 INFO L264 CegarLoopResult]: At program point L961(line 961) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse0) (or .cse1 .cse0 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-07 10:51:41,527 INFO L268 CegarLoopResult]: For program point L959(lines 959 965) no Hoare annotation was computed. [2020-07-07 10:51:41,527 INFO L268 CegarLoopResult]: For program point L958(lines 958 968) no Hoare annotation was computed. [2020-07-07 10:51:41,527 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse4 .cse5 .cse6) (or .cse3 (not (<= ~waterLevel~0 2)) .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse6) (or .cse0 .cse2 .cse6) (or .cse0 .cse5 .cse6))) [2020-07-07 10:51:41,527 INFO L268 CegarLoopResult]: For program point L956-1(line 956) no Hoare annotation was computed. [2020-07-07 10:51:41,527 INFO L268 CegarLoopResult]: For program point L954(lines 954 971) no Hoare annotation was computed. [2020-07-07 10:51:41,528 INFO L268 CegarLoopResult]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2020-07-07 10:51:41,528 INFO L271 CegarLoopResult]: At program point L952(line 952) the Hoare annotation is: true [2020-07-07 10:51:41,528 INFO L268 CegarLoopResult]: For program point L952-1(line 952) no Hoare annotation was computed. [2020-07-07 10:51:41,528 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2020-07-07 10:51:41,528 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2020-07-07 10:51:41,528 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 894 916) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:41,528 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2020-07-07 10:51:41,528 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2020-07-07 10:51:41,529 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= 1 main_~tmp~7))) [2020-07-07 10:51:41,529 INFO L264 CegarLoopResult]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= 1 main_~tmp~7))) [2020-07-07 10:51:41,529 INFO L268 CegarLoopResult]: For program point L904(lines 904 911) no Hoare annotation was computed. [2020-07-07 10:51:41,529 INFO L268 CegarLoopResult]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2020-07-07 10:51:41,529 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-07 10:51:41,529 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:41,530 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:41,530 INFO L264 CegarLoopResult]: At program point L900-1(line 900) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:41,530 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-07 10:51:41,530 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-07 10:51:41,530 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 851 874) no Hoare annotation was computed. [2020-07-07 10:51:41,530 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-07 10:51:41,530 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-07 10:51:41,530 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 851 874) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 851 874) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2020-07-07 10:51:41,531 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse1 .cse2 .cse0 (not (< 1 ~waterLevel~0))) (or .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-07 10:51:41,532 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: (let ((.cse3 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse0 (and .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)))))) [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point L692(lines 692 698) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point L640(lines 640 648) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point L652(lines 652 660) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2020-07-07 10:51:41,532 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2020-07-07 10:51:41,533 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2020-07-07 10:51:41,533 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2020-07-07 10:51:41,533 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2020-07-07 10:51:41,533 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 147 192) no Hoare annotation was computed. [2020-07-07 10:51:41,533 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 147 192) no Hoare annotation was computed. [2020-07-07 10:51:41,533 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 147 192) no Hoare annotation was computed. [2020-07-07 10:51:41,533 INFO L268 CegarLoopResult]: For program point L480(lines 480 487) no Hoare annotation was computed. [2020-07-07 10:51:41,533 INFO L268 CegarLoopResult]: For program point L474(lines 474 494) no Hoare annotation was computed. [2020-07-07 10:51:41,533 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 460 505) no Hoare annotation was computed. [2020-07-07 10:51:41,533 INFO L268 CegarLoopResult]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2020-07-07 10:51:41,534 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 460 505) no Hoare annotation was computed. [2020-07-07 10:51:41,534 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 460 505) no Hoare annotation was computed. [2020-07-07 10:51:41,534 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:41,534 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2020-07-07 10:51:41,534 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:41,534 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2020-07-07 10:51:41,534 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2020-07-07 10:51:41,534 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2020-07-07 10:51:41,534 INFO L271 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: true [2020-07-07 10:51:41,534 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-07-07 10:51:41,534 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2020-07-07 10:51:41,535 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (< 1 ~waterLevel~0))))) [2020-07-07 10:51:41,535 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2020-07-07 10:51:41,535 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2020-07-07 10:51:41,535 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-07 10:51:41,535 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-07 10:51:41,535 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-07 10:51:41,535 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-07 10:51:41,535 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:51:41,535 INFO L268 CegarLoopResult]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2020-07-07 10:51:41,535 INFO L264 CegarLoopResult]: At program point L568(line 568) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 processEnvironment_~tmp~3) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:51:41,536 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2020-07-07 10:51:41,536 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2) (or (not (<= ~waterLevel~0 2)) .cse0 (= 0 ~pumpRunning~0) .cse2))) [2020-07-07 10:51:41,536 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:51:41,536 INFO L268 CegarLoopResult]: For program point L562(lines 562 570) no Hoare annotation was computed. [2020-07-07 10:51:41,536 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:51:41,536 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-07-07 10:51:41,536 INFO L268 CegarLoopResult]: For program point L558(lines 558 575) no Hoare annotation was computed. [2020-07-07 10:51:41,536 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2020-07-07 10:51:41,536 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2020-07-07 10:51:41,537 INFO L264 CegarLoopResult]: At program point testENTRY(lines 713 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~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)|))) [2020-07-07 10:51:41,537 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 (<= ~waterLevel~0 1)) (and .cse0 .cse3 .cse1 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 (= 1 ~waterLevel~0) .cse2 .cse6) (and .cse5 .cse0 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse6))) [2020-07-07 10:51:41,537 INFO L268 CegarLoopResult]: For program point L733(lines 733 739) no Hoare annotation was computed. [2020-07-07 10:51:41,537 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2020-07-07 10:51:41,537 INFO L268 CegarLoopResult]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2020-07-07 10:51:41,537 INFO L268 CegarLoopResult]: For program point L725(lines 725 729) no Hoare annotation was computed. [2020-07-07 10:51:41,537 INFO L264 CegarLoopResult]: At program point L773(lines 722 774) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:51:41,537 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:51:41,537 INFO L268 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2020-07-07 10:51:41,538 INFO L264 CegarLoopResult]: At program point L761-1(lines 753 768) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 (= 0 ~systemActive~0) .cse4) (and .cse0 (< 1 ~waterLevel~0) .cse3 .cse1 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:51:41,538 INFO L268 CegarLoopResult]: For program point L724(lines 723 772) no Hoare annotation was computed. [2020-07-07 10:51:41,538 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:51:41,538 INFO L268 CegarLoopResult]: For program point L753(lines 753 768) no Hoare annotation was computed. [2020-07-07 10:51:41,538 INFO L264 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse4) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:51:41,538 INFO L268 CegarLoopResult]: For program point L743(lines 743 749) no Hoare annotation was computed. [2020-07-07 10:51:41,538 INFO L268 CegarLoopResult]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2020-07-07 10:51:41,539 INFO L268 CegarLoopResult]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2020-07-07 10:51:41,539 INFO L264 CegarLoopResult]: At program point L770(lines 723 772) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 (<= ~waterLevel~0 1)) (and .cse0 .cse3 .cse1 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 (= 1 ~waterLevel~0) .cse2 .cse6) (and .cse5 .cse0 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse6))) [2020-07-07 10:51:41,539 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 414 459) no Hoare annotation was computed. [2020-07-07 10:51:41,539 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 414 459) no Hoare annotation was computed. [2020-07-07 10:51:41,539 INFO L268 CegarLoopResult]: For program point L434(lines 434 441) no Hoare annotation was computed. [2020-07-07 10:51:41,539 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 414 459) no Hoare annotation was computed. [2020-07-07 10:51:41,539 INFO L268 CegarLoopResult]: For program point L428(lines 428 448) no Hoare annotation was computed. [2020-07-07 10:51:41,539 INFO L268 CegarLoopResult]: For program point L428-1(lines 428 448) no Hoare annotation was computed. [2020-07-07 10:51:41,540 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:51:41,540 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2020-07-07 10:51:41,540 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2020-07-07 10:51:41,540 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-07 10:51:41,540 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-07 10:51:41,540 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-07 10:51:41,540 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-07 10:51:41,540 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-07 10:51:41,540 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 311 413) no Hoare annotation was computed. [2020-07-07 10:51:41,540 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-07-07 10:51:41,541 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-07 10:51:41,541 INFO L268 CegarLoopResult]: For program point L335(lines 335 339) no Hoare annotation was computed. [2020-07-07 10:51:41,541 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-07 10:51:41,541 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-07-07 10:51:41,541 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 380) no Hoare annotation was computed. [2020-07-07 10:51:41,541 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 311 413) no Hoare annotation was computed. [2020-07-07 10:51:41,541 INFO L268 CegarLoopResult]: For program point L381(lines 359 382) no Hoare annotation was computed. [2020-07-07 10:51:41,541 INFO L268 CegarLoopResult]: For program point L340(lines 340 356) no Hoare annotation was computed. [2020-07-07 10:51:41,541 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 311 413) no Hoare annotation was computed. [2020-07-07 10:51:41,541 INFO L268 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-07-07 10:51:41,542 INFO L268 CegarLoopResult]: For program point L361(lines 360 380) no Hoare annotation was computed. [2020-07-07 10:51:41,542 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-07 10:51:41,542 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-07-07 10:51:41,542 INFO L268 CegarLoopResult]: For program point L357(lines 357 398) no Hoare annotation was computed. [2020-07-07 10:51:41,542 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 786 795) no Hoare annotation was computed. [2020-07-07 10:51:41,542 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 786 795) no Hoare annotation was computed. [2020-07-07 10:51:41,542 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 786 795) no Hoare annotation was computed. [2020-07-07 10:51:41,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:51:41,543 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-07 10:51:41,543 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:51:41,543 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:51:41,543 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-07 10:51:41,543 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2020-07-07 10:51:41,543 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:51:41,543 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:51:41,543 INFO L268 CegarLoopResult]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2020-07-07 10:51:41,544 INFO L268 CegarLoopResult]: For program point L595(lines 595 601) no Hoare annotation was computed. [2020-07-07 10:51:41,544 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-07 10:51:41,544 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-07 10:51:41,544 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-07 10:51:41,544 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2020-07-07 10:51:41,544 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-07-07 10:51:41,544 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2020-07-07 10:51:41,544 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2020-07-07 10:51:41,544 INFO L271 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: true [2020-07-07 10:51:41,544 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2020-07-07 10:51:41,545 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-07-07 10:51:41,545 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-07 10:51:41,545 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse0 (not (= 0 ~systemActive~0)) .cse4) (or .cse0 .cse1 (not (< 1 ~waterLevel~0)) .cse2 .cse3))) [2020-07-07 10:51:41,545 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-07 10:51:41,545 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:51:41,545 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:51:41,545 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:51:41,545 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-07 10:51:41,545 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-07 10:51:41,546 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-07 10:51:41,546 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse8 (and .cse10 .cse11 (<= ~waterLevel~0 0) .cse13 .cse12 (<= 1 ~pumpRunning~0))) (.cse4 (and .cse0 .cse13)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not .cse12))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse7 .cse8 .cse5 .cse3) (or (not (= 0 ~systemActive~0)) .cse2 .cse9) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) (and .cse10 .cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse7 .cse8 .cse3) (or .cse4 (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse7 .cse9 (not (< 1 |old(~waterLevel~0)|)) (and .cse10 .cse11 .cse1) .cse3)))) [2020-07-07 10:51:41,546 INFO L264 CegarLoopResult]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= 1 ~systemActive~0)) (.cse10 (<= 1 ~pumpRunning~0))) (let ((.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse2 (and .cse4 .cse5 (<= ~waterLevel~0 0) .cse9 .cse11 .cse10)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= 0 ~pumpRunning~0) .cse9)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not .cse11))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 0)) .cse3) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) (and .cse4 .cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse1 .cse2 .cse3) (or .cse6 (not (= 0 ~systemActive~0)) .cse7 .cse8) (or .cse1 .cse8 (not (< 1 |old(~waterLevel~0)|)) (and .cse4 .cse5 (= 1 ~waterLevel~0)) .cse3) (or .cse6 (and (= 2 ~waterLevel~0) .cse9 .cse10) .cse7 .cse8 .cse3)))) [2020-07-07 10:51:41,546 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse0 .cse1 .cse2) (or .cse3 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse4 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse2))) [2020-07-07 10:51:41,547 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse6 .cse7)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 .cse5 .cse2 .cse3) (or .cse4 .cse5 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse3)))) [2020-07-07 10:51:41,547 INFO L268 CegarLoopResult]: For program point L526(lines 522 544) no Hoare annotation was computed. [2020-07-07 10:51:41,547 INFO L268 CegarLoopResult]: For program point L524(lines 522 544) no Hoare annotation was computed. [2020-07-07 10:51:41,547 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2020-07-07 10:51:41,547 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2020-07-07 10:51:41,547 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-07 10:51:41,547 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2020-07-07 10:51:41,547 INFO L271 CegarLoopResult]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2020-07-07 10:51:41,547 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2020-07-07 10:51:41,548 INFO L271 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: true [2020-07-07 10:51:41,548 INFO L268 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-07-07 10:51:41,548 INFO L271 CegarLoopResult]: At program point L846(lines 821 850) the Hoare annotation is: true [2020-07-07 10:51:41,548 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-07 10:51:41,548 INFO L268 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-07-07 10:51:41,548 INFO L271 CegarLoopResult]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2020-07-07 10:51:41,548 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:51:41,548 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-07 10:51:41,548 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-07 10:51:41,549 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2020-07-07 10:51:41,549 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2020-07-07 10:51:41,549 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:51:41,549 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:51:41,549 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:51:41,549 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:51:41,549 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2020-07-07 10:51:41,549 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (< 1 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2))) [2020-07-07 10:51:41,549 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2020-07-07 10:51:41,550 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-07 10:51:41,550 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-07 10:51:41,550 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse4 .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse5 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse5 .cse3) (or (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse5) (or (not (<= |old(~waterLevel~0)| 0)) .cse4 .cse1 .cse2 .cse3))) [2020-07-07 10:51:41,550 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-07 10:51:41,550 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-07 10:51:41,550 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-07 10:51:41,550 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-07 10:51:41,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:51:41 BoogieIcfgContainer [2020-07-07 10:51:41,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:51:41,571 INFO L168 Benchmark]: Toolchain (without parser) took 138046.58 ms. Allocated memory was 142.6 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 99.6 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-07 10:51:41,571 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:51:41,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.45 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 99.4 MB in the beginning and 167.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:51:41,572 INFO L168 Benchmark]: Boogie Preprocessor took 83.29 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 163.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:51:41,572 INFO L168 Benchmark]: RCFGBuilder took 1070.20 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 163.0 MB in the beginning and 190.7 MB in the end (delta: -27.6 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:51:41,573 INFO L168 Benchmark]: TraceAbstraction took 136241.27 ms. Allocated memory was 228.6 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 190.7 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-07 10:51:41,575 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.45 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 99.4 MB in the beginning and 167.4 MB in the end (delta: -68.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.29 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 163.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1070.20 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 163.0 MB in the beginning and 190.7 MB in the end (delta: -27.6 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 136241.27 ms. Allocated memory was 228.6 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 190.7 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 723]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= \old(waterLevel) + 1 && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) && waterLevel <= 1)) || (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) && 2 == waterLevel)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel + 1 <= \old(waterLevel)) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 84.7s, OverallIterations: 13, TraceHistogramMax: 8, AutomataDifference: 70.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 51.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2168 SDtfs, 6599 SDslu, 5138 SDs, 0 SdLazy, 23386 SolverSat, 5846 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2599 GetRequests, 2170 SyntacticMatches, 4 SemanticMatches, 425 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7054 ImplicationChecksByTransitivity, 37.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1580occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1756 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3964 PreInvPairs, 4538 NumberOfFragments, 2352 HoareAnnotationTreeSize, 3964 FomulaSimplifications, 2388715789 FormulaSimplificationTreeSizeReduction, 20.9s HoareSimplificationTime, 64 FomulaSimplificationsInter, 5211848 FormulaSimplificationTreeSizeReductionInter, 30.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 3458 NumberOfCodeBlocks, 3458 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3440 ConstructedInterpolants, 0 QuantifiedInterpolants, 1741096 SizeOfPredicates, 19 NumberOfNonLiveVariables, 6241 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2990/3174 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...