/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_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:38:17,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:38:17,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:38:17,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:38:17,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:38:17,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:38:17,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:38:17,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:38:17,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:38:17,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:38:17,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:38:17,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:38:17,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:38:17,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:38:17,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:38:17,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:38:17,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:38:17,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:38:17,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:38:17,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:38:17,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:38:17,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:38:17,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:38:17,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:38:17,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:38:17,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:38:17,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:38:17,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:38:17,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:38:17,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:38:17,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:38:17,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:38:17,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:38:17,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:38:17,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:38:17,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:38:17,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:38:17,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:38:17,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:38:17,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:38:17,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:38:17,271 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 [2020-07-17 11:38:17,285 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:38:17,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:38:17,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:38:17,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:38:17,287 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:38:17,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:38:17,288 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:38:17,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:38:17,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:38:17,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:38:17,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:38:17,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:38:17,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:38:17,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:38:17,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:38:17,289 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:38:17,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:38:17,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:38:17,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:38:17,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:38:17,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:38:17,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:38:17,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:38:17,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:38:17,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:38:17,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:38:17,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:38:17,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:38:17,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:38:17,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:38:17,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:38:17,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:38:17,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:38:17,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:38:17,633 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:38:17,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-07-17 11:38:17,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00a29a2b/5fc2857074904abe8f534e7f033a1168/FLAGf6ecf68b1 [2020-07-17 11:38:18,183 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:38:18,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-07-17 11:38:18,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00a29a2b/5fc2857074904abe8f534e7f033a1168/FLAGf6ecf68b1 [2020-07-17 11:38:18,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00a29a2b/5fc2857074904abe8f534e7f033a1168 [2020-07-17 11:38:18,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:38:18,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:38:18,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:38:18,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:38:18,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:38:18,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:38:18" (1/1) ... [2020-07-17 11:38:18,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53737095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:18, skipping insertion in model container [2020-07-17 11:38:18,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:38:18" (1/1) ... [2020-07-17 11:38:18,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:38:18,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:38:19,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:38:19,098 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:38:19,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:38:19,233 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:38:19,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19 WrapperNode [2020-07-17 11:38:19,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:38:19,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:38:19,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:38:19,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:38:19,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19" (1/1) ... [2020-07-17 11:38:19,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19" (1/1) ... [2020-07-17 11:38:19,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19" (1/1) ... [2020-07-17 11:38:19,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19" (1/1) ... [2020-07-17 11:38:19,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19" (1/1) ... [2020-07-17 11:38:19,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19" (1/1) ... [2020-07-17 11:38:19,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19" (1/1) ... [2020-07-17 11:38:19,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:38:19,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:38:19,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:38:19,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:38:19,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19" (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 [2020-07-17 11:38:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:38:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:38:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:38:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:38:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:38:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:38:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:38:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:38:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:38:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:38:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:38:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:38:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:38:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:38:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:38:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:38:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:38:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:38:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:38:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:38:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:38:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:38:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:38:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:38:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:38:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:38:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:38:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:38:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:38:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:38:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:38:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:38:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:38:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:38:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:38:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:38:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:38:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:38:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:38:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:38:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:38:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:38:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:38:19,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:38:19,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:38:19,399 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:38:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:38:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:38:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:38:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:38:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:38:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:38:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:38:19,401 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:38:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:38:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:38:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:38:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:38:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:38:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:38:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:38:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:38:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:38:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:38:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:38:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:38:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:38:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:38:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:38:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:38:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:38:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:38:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:38:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:38:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:38:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:38:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:38:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:38:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:38:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:38:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:38:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:38:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:38:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:38:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:38:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:38:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:38:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:38:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:38:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:38:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:38:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:38:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:38:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:38:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:38:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:38:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:38:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:38:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:38:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:38:20,506 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:38:20,506 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:38:20,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:38:20 BoogieIcfgContainer [2020-07-17 11:38:20,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:38:20,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:38:20,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:38:20,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:38:20,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:38:18" (1/3) ... [2020-07-17 11:38:20,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421be8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:38:20, skipping insertion in model container [2020-07-17 11:38:20,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19" (2/3) ... [2020-07-17 11:38:20,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421be8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:38:20, skipping insertion in model container [2020-07-17 11:38:20,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:38:20" (3/3) ... [2020-07-17 11:38:20,521 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-07-17 11:38:20,532 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:38:20,541 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:38:20,555 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:38:20,581 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:38:20,581 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:38:20,581 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:38:20,581 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:38:20,582 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:38:20,582 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:38:20,582 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:38:20,582 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:38:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-07-17 11:38:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 11:38:20,617 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:20,618 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] [2020-07-17 11:38:20,618 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:20,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:20,625 INFO L82 PathProgramCache]: Analyzing trace with hash 2053229239, now seen corresponding path program 1 times [2020-07-17 11:38:20,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:20,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383044438] [2020-07-17 11:38:20,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,325 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:21,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383044438] [2020-07-17 11:38:21,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:21,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:38:21,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426178629] [2020-07-17 11:38:21,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:38:21,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:21,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:38:21,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:38:21,459 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-07-17 11:38:22,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:22,604 INFO L93 Difference]: Finished difference Result 313 states and 401 transitions. [2020-07-17 11:38:22,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:38:22,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-17 11:38:22,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:22,621 INFO L225 Difference]: With dead ends: 313 [2020-07-17 11:38:22,621 INFO L226 Difference]: Without dead ends: 172 [2020-07-17 11:38:22,626 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 [2020-07-17 11:38:22,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-17 11:38:22,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 142. [2020-07-17 11:38:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-17 11:38:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2020-07-17 11:38:22,717 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 59 [2020-07-17 11:38:22,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:22,718 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2020-07-17 11:38:22,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:38:22,718 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2020-07-17 11:38:22,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 11:38:22,722 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:22,722 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] [2020-07-17 11:38:22,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:38:22,722 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:22,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:22,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1701396789, now seen corresponding path program 1 times [2020-07-17 11:38:22,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:22,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607644419] [2020-07-17 11:38:22,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,053 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:23,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607644419] [2020-07-17 11:38:23,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:23,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:38:23,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224653405] [2020-07-17 11:38:23,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:38:23,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:23,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:38:23,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:38:23,152 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 5 states. [2020-07-17 11:38:23,636 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:24,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:24,579 INFO L93 Difference]: Finished difference Result 254 states and 309 transitions. [2020-07-17 11:38:24,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:38:24,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-17 11:38:24,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:24,585 INFO L225 Difference]: With dead ends: 254 [2020-07-17 11:38:24,585 INFO L226 Difference]: Without dead ends: 162 [2020-07-17 11:38:24,590 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 [2020-07-17 11:38:24,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-07-17 11:38:24,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 133. [2020-07-17 11:38:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-17 11:38:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2020-07-17 11:38:24,655 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 60 [2020-07-17 11:38:24,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:24,655 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2020-07-17 11:38:24,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:38:24,656 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2020-07-17 11:38:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 11:38:24,664 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:24,664 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] [2020-07-17 11:38:24,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:38:24,670 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:24,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:24,670 INFO L82 PathProgramCache]: Analyzing trace with hash -835538636, now seen corresponding path program 1 times [2020-07-17 11:38:24,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:24,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603265993] [2020-07-17 11:38:24,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,065 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:25,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603265993] [2020-07-17 11:38:25,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:25,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:38:25,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711588400] [2020-07-17 11:38:25,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:38:25,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:25,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:38:25,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:38:25,151 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 9 states. [2020-07-17 11:38:25,597 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:25,899 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:26,157 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:26,432 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:27,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:27,712 INFO L93 Difference]: Finished difference Result 267 states and 328 transitions. [2020-07-17 11:38:27,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 11:38:27,716 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-17 11:38:27,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:27,718 INFO L225 Difference]: With dead ends: 267 [2020-07-17 11:38:27,719 INFO L226 Difference]: Without dead ends: 162 [2020-07-17 11:38:27,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:38:27,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-07-17 11:38:27,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 133. [2020-07-17 11:38:27,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-17 11:38:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2020-07-17 11:38:27,754 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 65 [2020-07-17 11:38:27,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:27,755 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2020-07-17 11:38:27,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:38:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2020-07-17 11:38:27,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-17 11:38:27,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:27,758 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] [2020-07-17 11:38:27,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:38:27,758 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:27,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:27,759 INFO L82 PathProgramCache]: Analyzing trace with hash -192684169, now seen corresponding path program 1 times [2020-07-17 11:38:27,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:27,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978969823] [2020-07-17 11:38:27,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,048 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:28,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978969823] [2020-07-17 11:38:28,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:28,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:38:28,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945537472] [2020-07-17 11:38:28,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:38:28,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:28,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:38:28,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:38:28,136 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 7 states. [2020-07-17 11:38:28,549 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:29,975 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:30,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:30,528 INFO L93 Difference]: Finished difference Result 371 states and 462 transitions. [2020-07-17 11:38:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:38:30,529 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-17 11:38:30,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:30,532 INFO L225 Difference]: With dead ends: 371 [2020-07-17 11:38:30,533 INFO L226 Difference]: Without dead ends: 266 [2020-07-17 11:38:30,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:38:30,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-17 11:38:30,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 220. [2020-07-17 11:38:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-17 11:38:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 252 transitions. [2020-07-17 11:38:30,576 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 252 transitions. Word has length 78 [2020-07-17 11:38:30,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:30,576 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 252 transitions. [2020-07-17 11:38:30,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:38:30,577 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 252 transitions. [2020-07-17 11:38:30,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-17 11:38:30,578 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:30,578 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:30,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:38:30,579 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:30,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:30,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1827957124, now seen corresponding path program 1 times [2020-07-17 11:38:30,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:30,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445831292] [2020-07-17 11:38:30,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,852 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:31,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445831292] [2020-07-17 11:38:31,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:31,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:38:31,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110848380] [2020-07-17 11:38:31,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:38:31,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:31,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:38:31,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:38:31,019 INFO L87 Difference]: Start difference. First operand 220 states and 252 transitions. Second operand 11 states. [2020-07-17 11:38:31,586 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:31,858 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:32,132 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:32,851 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:33,113 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:33,350 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:34,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:34,253 INFO L93 Difference]: Finished difference Result 459 states and 566 transitions. [2020-07-17 11:38:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:38:34,254 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-17 11:38:34,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:34,257 INFO L225 Difference]: With dead ends: 459 [2020-07-17 11:38:34,258 INFO L226 Difference]: Without dead ends: 267 [2020-07-17 11:38:34,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:38:34,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-07-17 11:38:34,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 224. [2020-07-17 11:38:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-17 11:38:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2020-07-17 11:38:34,305 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 92 [2020-07-17 11:38:34,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:34,305 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2020-07-17 11:38:34,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:38:34,306 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2020-07-17 11:38:34,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-17 11:38:34,307 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:34,307 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:34,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:38:34,308 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:34,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:34,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1850589378, now seen corresponding path program 1 times [2020-07-17 11:38:34,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:34,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002913960] [2020-07-17 11:38:34,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,599 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:38:34,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002913960] [2020-07-17 11:38:34,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:34,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:38:34,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334961434] [2020-07-17 11:38:34,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:38:34,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:34,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:38:34,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:38:34,716 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 9 states. [2020-07-17 11:38:35,354 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:36,045 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:36,675 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:36,976 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:37,467 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:37,704 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:38,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:38,251 INFO L93 Difference]: Finished difference Result 465 states and 564 transitions. [2020-07-17 11:38:38,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:38:38,252 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-17 11:38:38,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:38,255 INFO L225 Difference]: With dead ends: 465 [2020-07-17 11:38:38,255 INFO L226 Difference]: Without dead ends: 269 [2020-07-17 11:38:38,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:38:38,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-17 11:38:38,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 223. [2020-07-17 11:38:38,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-17 11:38:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2020-07-17 11:38:38,301 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 92 [2020-07-17 11:38:38,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:38,302 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2020-07-17 11:38:38,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:38:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2020-07-17 11:38:38,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:38:38,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:38,303 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] [2020-07-17 11:38:38,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:38:38,303 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:38,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:38,304 INFO L82 PathProgramCache]: Analyzing trace with hash -185232827, now seen corresponding path program 1 times [2020-07-17 11:38:38,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:38,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930403836] [2020-07-17 11:38:38,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,561 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:38,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930403836] [2020-07-17 11:38:38,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:38,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:38:38,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318277202] [2020-07-17 11:38:38,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:38:38,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:38,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:38:38,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:38:38,720 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 9 states. [2020-07-17 11:38:40,077 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:40,340 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:40,598 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:40,848 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:41,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:41,649 INFO L93 Difference]: Finished difference Result 463 states and 558 transitions. [2020-07-17 11:38:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:38:41,650 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-17 11:38:41,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:41,652 INFO L225 Difference]: With dead ends: 463 [2020-07-17 11:38:41,652 INFO L226 Difference]: Without dead ends: 268 [2020-07-17 11:38:41,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:38:41,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-07-17 11:38:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2020-07-17 11:38:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-17 11:38:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2020-07-17 11:38:41,693 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 93 [2020-07-17 11:38:41,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:41,694 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2020-07-17 11:38:41,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:38:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2020-07-17 11:38:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:38:41,695 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:41,696 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] [2020-07-17 11:38:41,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:38:41,696 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:41,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:41,697 INFO L82 PathProgramCache]: Analyzing trace with hash -2053119352, now seen corresponding path program 1 times [2020-07-17 11:38:41,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:41,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383919294] [2020-07-17 11:38:41,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,019 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:42,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383919294] [2020-07-17 11:38:42,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:42,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:38:42,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605041927] [2020-07-17 11:38:42,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:38:42,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:42,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:38:42,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:38:42,213 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand 7 states. [2020-07-17 11:38:43,062 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:43,581 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:45,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:45,436 INFO L93 Difference]: Finished difference Result 649 states and 808 transitions. [2020-07-17 11:38:45,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:38:45,439 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-07-17 11:38:45,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:45,442 INFO L225 Difference]: With dead ends: 649 [2020-07-17 11:38:45,442 INFO L226 Difference]: Without dead ends: 449 [2020-07-17 11:38:45,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:38:45,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-07-17 11:38:45,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 407. [2020-07-17 11:38:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-07-17 11:38:45,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 474 transitions. [2020-07-17 11:38:45,519 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 474 transitions. Word has length 93 [2020-07-17 11:38:45,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:45,519 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 474 transitions. [2020-07-17 11:38:45,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:38:45,520 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 474 transitions. [2020-07-17 11:38:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-17 11:38:45,521 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:45,522 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] [2020-07-17 11:38:45,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:38:45,522 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:45,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:45,522 INFO L82 PathProgramCache]: Analyzing trace with hash 868259694, now seen corresponding path program 1 times [2020-07-17 11:38:45,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:45,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968237623] [2020-07-17 11:38:45,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,889 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:46,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968237623] [2020-07-17 11:38:46,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:46,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:38:46,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647385297] [2020-07-17 11:38:46,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:38:46,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:46,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:38:46,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:38:46,080 INFO L87 Difference]: Start difference. First operand 407 states and 474 transitions. Second operand 12 states. [2020-07-17 11:38:46,605 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:47,225 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:48,218 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:48,530 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:48,786 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:38:49,040 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:49,292 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:50,473 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:50,752 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:51,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:51,340 INFO L93 Difference]: Finished difference Result 1129 states and 1399 transitions. [2020-07-17 11:38:51,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-17 11:38:51,344 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-07-17 11:38:51,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:51,350 INFO L225 Difference]: With dead ends: 1129 [2020-07-17 11:38:51,350 INFO L226 Difference]: Without dead ends: 824 [2020-07-17 11:38:51,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 11:38:51,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-07-17 11:38:51,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 702. [2020-07-17 11:38:51,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-07-17 11:38:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 810 transitions. [2020-07-17 11:38:51,479 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 810 transitions. Word has length 97 [2020-07-17 11:38:51,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:51,479 INFO L479 AbstractCegarLoop]: Abstraction has 702 states and 810 transitions. [2020-07-17 11:38:51,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:38:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 810 transitions. [2020-07-17 11:38:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-17 11:38:51,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:51,483 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:51,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 11:38:51,483 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:51,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:51,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1063606964, now seen corresponding path program 1 times [2020-07-17 11:38:51,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:51,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30602858] [2020-07-17 11:38:51,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,811 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-17 11:38:52,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30602858] [2020-07-17 11:38:52,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31958004] [2020-07-17 11:38:52,167 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 [2020-07-17 11:38:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,393 INFO L264 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 11:38:52,415 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:38:52,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:38:52,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-17 11:38:52,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172925131] [2020-07-17 11:38:52,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:38:52,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:52,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:38:52,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:38:52,598 INFO L87 Difference]: Start difference. First operand 702 states and 810 transitions. Second operand 20 states. [2020-07-17 11:38:53,251 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:53,615 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:38:53,904 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:38:54,181 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:38:54,955 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:55,253 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:38:55,667 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:38:56,327 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:56,668 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:38:57,816 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:38:58,117 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:58,425 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:59,012 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:59,430 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:00,010 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 11:39:00,679 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:00,961 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:01,449 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:02,141 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:39:02,415 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:39:02,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:02,650 INFO L93 Difference]: Finished difference Result 1569 states and 1869 transitions. [2020-07-17 11:39:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-17 11:39:02,652 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 159 [2020-07-17 11:39:02,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:02,659 INFO L225 Difference]: With dead ends: 1569 [2020-07-17 11:39:02,659 INFO L226 Difference]: Without dead ends: 965 [2020-07-17 11:39:02,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-17 11:39:02,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2020-07-17 11:39:02,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 852. [2020-07-17 11:39:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-07-17 11:39:02,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 989 transitions. [2020-07-17 11:39:02,898 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 989 transitions. Word has length 159 [2020-07-17 11:39:02,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:02,900 INFO L479 AbstractCegarLoop]: Abstraction has 852 states and 989 transitions. [2020-07-17 11:39:02,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:39:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 989 transitions. [2020-07-17 11:39:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-07-17 11:39:02,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:02,907 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:39:03,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:39:03,122 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:03,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:03,123 INFO L82 PathProgramCache]: Analyzing trace with hash -810254798, now seen corresponding path program 1 times [2020-07-17 11:39:03,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:03,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696674620] [2020-07-17 11:39:03,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,454 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 84 proven. 29 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-07-17 11:39:03,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696674620] [2020-07-17 11:39:03,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57570353] [2020-07-17 11:39:03,983 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 [2020-07-17 11:39:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:04,313 INFO L264 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-17 11:39:04,324 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:39:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 205 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-07-17 11:39:04,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:39:04,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-17 11:39:04,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934975431] [2020-07-17 11:39:04,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 11:39:04,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:04,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 11:39:04,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:39:04,630 INFO L87 Difference]: Start difference. First operand 852 states and 989 transitions. Second operand 24 states. [2020-07-17 11:39:05,643 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:06,536 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:07,338 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:08,111 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:08,625 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:39:09,121 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:39:09,366 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:09,651 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:09,899 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:13,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:13,306 INFO L93 Difference]: Finished difference Result 2051 states and 2694 transitions. [2020-07-17 11:39:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-17 11:39:13,307 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 281 [2020-07-17 11:39:13,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:13,316 INFO L225 Difference]: With dead ends: 2051 [2020-07-17 11:39:13,316 INFO L226 Difference]: Without dead ends: 1250 [2020-07-17 11:39:13,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 380 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-17 11:39:13,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-07-17 11:39:13,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 860. [2020-07-17 11:39:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-07-17 11:39:13,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 984 transitions. [2020-07-17 11:39:13,533 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 984 transitions. Word has length 281 [2020-07-17 11:39:13,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:13,534 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 984 transitions. [2020-07-17 11:39:13,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 11:39:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 984 transitions. [2020-07-17 11:39:13,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-07-17 11:39:13,541 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:13,542 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:39:13,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:39:13,757 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:13,757 INFO L82 PathProgramCache]: Analyzing trace with hash 563096766, now seen corresponding path program 1 times [2020-07-17 11:39:13,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:13,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556355534] [2020-07-17 11:39:13,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,103 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 94 proven. 40 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-17 11:39:14,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556355534] [2020-07-17 11:39:14,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701990072] [2020-07-17 11:39:14,635 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 [2020-07-17 11:39:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:14,884 INFO L264 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 11:39:14,897 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:39:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 240 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-17 11:39:15,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:39:15,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-17 11:39:15,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117697461] [2020-07-17 11:39:15,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-17 11:39:15,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:15,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-17 11:39:15,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:39:15,111 INFO L87 Difference]: Start difference. First operand 860 states and 984 transitions. Second operand 22 states. [2020-07-17 11:39:16,062 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 11:39:16,654 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:39:17,203 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:39:17,708 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:39:18,735 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:39:19,586 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:20,215 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:39:20,695 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:39:21,461 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:22,337 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:22,586 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:23,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:23,442 INFO L93 Difference]: Finished difference Result 1668 states and 1970 transitions. [2020-07-17 11:39:23,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-17 11:39:23,443 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 293 [2020-07-17 11:39:23,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:23,450 INFO L225 Difference]: With dead ends: 1668 [2020-07-17 11:39:23,450 INFO L226 Difference]: Without dead ends: 929 [2020-07-17 11:39:23,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-17 11:39:23,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2020-07-17 11:39:23,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 860. [2020-07-17 11:39:23,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-07-17 11:39:23,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 981 transitions. [2020-07-17 11:39:23,626 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 981 transitions. Word has length 293 [2020-07-17 11:39:23,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:23,629 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 981 transitions. [2020-07-17 11:39:23,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-17 11:39:23,629 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 981 transitions. [2020-07-17 11:39:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-07-17 11:39:23,636 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:23,637 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:39:23,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-17 11:39:23,850 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:23,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:23,851 INFO L82 PathProgramCache]: Analyzing trace with hash 446395520, now seen corresponding path program 1 times [2020-07-17 11:39:23,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:23,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014263736] [2020-07-17 11:39:23,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,131 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,406 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-07-17 11:39:24,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014263736] [2020-07-17 11:39:24,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591942235] [2020-07-17 11:39:24,407 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 [2020-07-17 11:39:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:24,610 INFO L264 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-17 11:39:24,621 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:39:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 166 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-07-17 11:39:24,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:39:24,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-17 11:39:24,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548268284] [2020-07-17 11:39:24,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 11:39:24,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:24,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 11:39:24,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:39:24,848 INFO L87 Difference]: Start difference. First operand 860 states and 981 transitions. Second operand 17 states. [2020-07-17 11:39:25,394 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:26,067 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:27,722 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:27,969 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:39:28,267 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:28,519 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:29,193 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:29,496 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:29,757 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:39:30,018 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:30,273 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:32,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:32,464 INFO L93 Difference]: Finished difference Result 2148 states and 2668 transitions. [2020-07-17 11:39:32,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-17 11:39:32,465 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 294 [2020-07-17 11:39:32,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:32,473 INFO L225 Difference]: With dead ends: 2148 [2020-07-17 11:39:32,474 INFO L226 Difference]: Without dead ends: 1409 [2020-07-17 11:39:32,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 398 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-17 11:39:32,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2020-07-17 11:39:32,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1124. [2020-07-17 11:39:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-07-17 11:39:32,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1283 transitions. [2020-07-17 11:39:32,719 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1283 transitions. Word has length 294 [2020-07-17 11:39:32,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:32,719 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1283 transitions. [2020-07-17 11:39:32,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 11:39:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1283 transitions. [2020-07-17 11:39:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-07-17 11:39:32,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:32,728 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 11:39:32,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:39:32,943 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:32,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:32,943 INFO L82 PathProgramCache]: Analyzing trace with hash 488916222, now seen corresponding path program 1 times [2020-07-17 11:39:32,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:32,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903887101] [2020-07-17 11:39:32,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,277 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 151 proven. 57 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2020-07-17 11:39:34,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903887101] [2020-07-17 11:39:34,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56502801] [2020-07-17 11:39:34,031 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 [2020-07-17 11:39:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:34,276 INFO L264 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-17 11:39:34,285 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:39:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 216 proven. 51 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-07-17 11:39:34,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:39:34,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12] total 27 [2020-07-17 11:39:34,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136954423] [2020-07-17 11:39:34,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-17 11:39:34,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:34,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-17 11:39:34,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:39:34,560 INFO L87 Difference]: Start difference. First operand 1124 states and 1283 transitions. Second operand 27 states. [2020-07-17 11:39:35,235 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:36,178 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:37,290 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-17 11:39:38,104 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:38,720 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-17 11:39:39,261 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-17 11:39:39,758 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:39:40,307 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:39:40,846 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:39:42,325 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-07-17 11:39:43,596 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-07-17 11:39:43,934 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:44,527 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-17 11:39:45,077 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-17 11:39:45,626 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-17 11:39:45,930 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:39:46,269 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:46,583 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:47,480 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 11:39:48,042 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-07-17 11:39:48,625 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-07-17 11:39:48,907 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:49,474 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 11:39:50,019 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 11:39:51,118 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:51,736 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-17 11:39:52,459 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:39:52,985 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-17 11:39:53,486 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-17 11:39:54,139 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:54,910 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:39:55,229 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:55,531 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:55,976 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:56,583 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 11:39:57,110 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 11:39:59,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:59,583 INFO L93 Difference]: Finished difference Result 2511 states and 3028 transitions. [2020-07-17 11:39:59,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2020-07-17 11:39:59,584 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 363 [2020-07-17 11:39:59,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:59,586 INFO L225 Difference]: With dead ends: 2511 [2020-07-17 11:39:59,586 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:39:59,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 500 SyntacticMatches, 8 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3583 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=1973, Invalid=9157, Unknown=0, NotChecked=0, Total=11130 [2020-07-17 11:39:59,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:39:59,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:39:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:39:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:39:59,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2020-07-17 11:39:59,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:59,602 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:39:59,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-17 11:39:59,602 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:39:59,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:39:59,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-17 11:39:59,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:39:59,948 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-07-17 11:40:01,130 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 222 [2020-07-17 11:40:02,785 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 453 DAG size of output: 339 [2020-07-17 11:40:12,542 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 331 [2020-07-17 11:40:13,020 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 314 [2020-07-17 11:40:14,160 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 339 [2020-07-17 11:40:15,199 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 322 [2020-07-17 11:40:17,164 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 204 DAG size of output: 32 [2020-07-17 11:40:17,408 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-17 11:40:19,109 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 285 DAG size of output: 31 [2020-07-17 11:40:19,494 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-17 11:40:19,648 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-17 11:40:19,834 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-17 11:40:20,507 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 27 [2020-07-17 11:40:20,695 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-17 11:40:20,908 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-17 11:40:21,136 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-17 11:40:22,601 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 244 DAG size of output: 28 [2020-07-17 11:40:22,822 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:23,048 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-17 11:40:23,229 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-17 11:40:24,003 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 30 [2020-07-17 11:40:24,459 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2020-07-17 11:40:26,112 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-07-17 11:40:26,588 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 1 [2020-07-17 11:40:28,052 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 243 DAG size of output: 29 [2020-07-17 11:40:28,257 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-17 11:40:29,686 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 203 DAG size of output: 32 [2020-07-17 11:40:30,370 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 27 [2020-07-17 11:40:31,842 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 244 DAG size of output: 28 [2020-07-17 11:40:32,332 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 42 [2020-07-17 11:40:32,492 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-17 11:40:32,650 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-17 11:40:33,663 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 204 DAG size of output: 32 [2020-07-17 11:40:34,661 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 28 [2020-07-17 11:40:35,448 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 18 [2020-07-17 11:40:36,765 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 242 DAG size of output: 31 [2020-07-17 11:40:37,779 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 238 DAG size of output: 31 [2020-07-17 11:40:37,982 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:40:38,102 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2020-07-17 11:40:38,619 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 28 [2020-07-17 11:40:40,312 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 285 DAG size of output: 31 [2020-07-17 11:40:40,514 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:40:40,760 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-17 11:40:40,990 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-17 11:40:41,194 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:40:42,650 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 269 DAG size of output: 31 [2020-07-17 11:40:43,040 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 26 [2020-07-17 11:40:43,242 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:40:43,457 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:40:43,860 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 18 [2020-07-17 11:40:44,017 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-17 11:40:44,785 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 30 [2020-07-17 11:40:45,617 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 27 [2020-07-17 11:40:46,453 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 52 [2020-07-17 11:40:47,618 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 193 DAG size of output: 33 [2020-07-17 11:40:47,625 INFO L268 CegarLoopResult]: For program point L543(lines 520 544) no Hoare annotation was computed. [2020-07-17 11:40:47,625 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 496 551) no Hoare annotation was computed. [2020-07-17 11:40:47,625 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-07-17 11:40:47,625 INFO L268 CegarLoopResult]: For program point L527-1(lines 527 531) no Hoare annotation was computed. [2020-07-17 11:40:47,625 INFO L268 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-07-17 11:40:47,625 INFO L268 CegarLoopResult]: For program point L521-2(lines 521 542) no Hoare annotation was computed. [2020-07-17 11:40:47,625 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 496 551) no Hoare annotation was computed. [2020-07-17 11:40:47,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 496 551) no Hoare annotation was computed. [2020-07-17 11:40:47,626 INFO L268 CegarLoopResult]: For program point L578-2(lines 578 603) no Hoare annotation was computed. [2020-07-17 11:40:47,626 INFO L268 CegarLoopResult]: For program point L604(lines 577 605) no Hoare annotation was computed. [2020-07-17 11:40:47,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 552 611) no Hoare annotation was computed. [2020-07-17 11:40:47,626 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-07-17 11:40:47,626 INFO L268 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-07-17 11:40:47,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 552 611) no Hoare annotation was computed. [2020-07-17 11:40:47,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 552 611) no Hoare annotation was computed. [2020-07-17 11:40:47,626 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-07-17 11:40:47,626 INFO L268 CegarLoopResult]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2020-07-17 11:40:47,627 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-07-17 11:40:47,627 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2020-07-17 11:40:47,627 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2020-07-17 11:40:47,627 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2020-07-17 11:40:47,627 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2020-07-17 11:40:47,627 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2020-07-17 11:40:47,627 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:40:47,627 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2020-07-17 11:40:47,628 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2020-07-17 11:40:47,628 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-17 11:40:47,628 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2020-07-17 11:40:47,628 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-17 11:40:47,628 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2020-07-17 11:40:47,628 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2020-07-17 11:40:47,628 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2020-07-17 11:40:47,629 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2020-07-17 11:40:47,629 INFO L268 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-07-17 11:40:47,629 INFO L268 CegarLoopResult]: For program point L841(lines 841 851) no Hoare annotation was computed. [2020-07-17 11:40:47,629 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or (not (= 1 ~waterLevel~0)) .cse5 .cse6 .cse4 .cse3) (or .cse5 (not (<= ~waterLevel~0 1)) .cse2 .cse3) (or .cse5 .cse6 .cse4 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:40:47,629 INFO L268 CegarLoopResult]: For program point L839-1(line 839) no Hoare annotation was computed. [2020-07-17 11:40:47,629 INFO L268 CegarLoopResult]: For program point L837(lines 837 854) no Hoare annotation was computed. [2020-07-17 11:40:47,629 INFO L268 CegarLoopResult]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2020-07-17 11:40:47,630 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-07-17 11:40:47,630 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-17 11:40:47,630 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 970 992) 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)|))) [2020-07-17 11:40:47,630 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2020-07-17 11:40:47,630 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:47,630 INFO L264 CegarLoopResult]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:47,630 INFO L268 CegarLoopResult]: For program point L980(lines 980 987) no Hoare annotation was computed. [2020-07-17 11:40:47,630 INFO L268 CegarLoopResult]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2020-07-17 11:40:47,630 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-17 11:40:47,631 INFO L264 CegarLoopResult]: At program point L977(line 977) 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)|))) [2020-07-17 11:40:47,631 INFO L264 CegarLoopResult]: At program point L976(line 976) 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)|))) [2020-07-17 11:40:47,631 INFO L264 CegarLoopResult]: At program point L976-1(line 976) 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)|))) [2020-07-17 11:40:47,631 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2020-07-17 11:40:47,631 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 928 951) no Hoare annotation was computed. [2020-07-17 11:40:47,631 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 928 951) no Hoare annotation was computed. [2020-07-17 11:40:47,631 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 928 951) no Hoare annotation was computed. [2020-07-17 11:40:47,631 INFO L268 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-07-17 11:40:47,631 INFO L268 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-07-17 11:40:47,631 INFO L268 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2020-07-17 11:40:47,631 INFO L268 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-07-17 11:40:47,631 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-17 11:40:47,631 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L268 CegarLoopResult]: For program point L251(lines 251 255) no Hoare annotation was computed. [2020-07-17 11:40:47,632 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2020-07-17 11:40:47,632 INFO L271 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: true [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point L194-2(lines 194 202) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point L217-1(line 217) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 187 222) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 187 222) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 187 222) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point L194(lines 194 202) no Hoare annotation was computed. [2020-07-17 11:40:47,633 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-17 11:40:47,634 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2020-07-17 11:40:47,634 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 450 495) no Hoare annotation was computed. [2020-07-17 11:40:47,634 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 450 495) no Hoare annotation was computed. [2020-07-17 11:40:47,634 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 450 495) no Hoare annotation was computed. [2020-07-17 11:40:47,634 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 763 808) no Hoare annotation was computed. [2020-07-17 11:40:47,634 INFO L268 CegarLoopResult]: For program point L783(lines 783 790) no Hoare annotation was computed. [2020-07-17 11:40:47,634 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 763 808) no Hoare annotation was computed. [2020-07-17 11:40:47,634 INFO L268 CegarLoopResult]: For program point L777(lines 777 797) no Hoare annotation was computed. [2020-07-17 11:40:47,634 INFO L268 CegarLoopResult]: For program point L777-1(lines 777 797) no Hoare annotation was computed. [2020-07-17 11:40:47,634 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 763 808) no Hoare annotation was computed. [2020-07-17 11:40:47,634 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 959 969) 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)|))) [2020-07-17 11:40:47,634 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2020-07-17 11:40:47,635 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2020-07-17 11:40:47,635 INFO L264 CegarLoopResult]: At program point L964(line 964) 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)|))) [2020-07-17 11:40:47,635 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 167 177) no Hoare annotation was computed. [2020-07-17 11:40:47,635 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-17 11:40:47,635 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-17 11:40:47,635 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 167 177) no Hoare annotation was computed. [2020-07-17 11:40:47,635 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 167 177) no Hoare annotation was computed. [2020-07-17 11:40:47,635 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (= 0 ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:40:47,635 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2020-07-17 11:40:47,635 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2020-07-17 11:40:47,635 INFO L268 CegarLoopResult]: For program point L424(lines 424 430) no Hoare annotation was computed. [2020-07-17 11:40:47,635 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2020-07-17 11:40:47,636 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2020-07-17 11:40:47,636 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2020-07-17 11:40:47,636 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2020-07-17 11:40:47,636 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 .cse5 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-17 11:40:47,636 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1))) [2020-07-17 11:40:47,636 INFO L268 CegarLoopResult]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2020-07-17 11:40:47,636 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~1)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2))) [2020-07-17 11:40:47,636 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~waterLevel~0))) .cse1 .cse2))) [2020-07-17 11:40:47,636 INFO L268 CegarLoopResult]: For program point L134(lines 134 142) no Hoare annotation was computed. [2020-07-17 11:40:47,636 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-17 11:40:47,637 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-07-17 11:40:47,637 INFO L268 CegarLoopResult]: For program point L130(lines 130 147) no Hoare annotation was computed. [2020-07-17 11:40:47,637 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2020-07-17 11:40:47,637 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2020-07-17 11:40:47,637 INFO L264 CegarLoopResult]: At program point testENTRY(lines 273 338) 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)|))) [2020-07-17 11:40:47,637 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-17 11:40:47,637 INFO L268 CegarLoopResult]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2020-07-17 11:40:47,637 INFO L264 CegarLoopResult]: At program point L331(lines 282 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:47,637 INFO L268 CegarLoopResult]: For program point L321(lines 321 325) no Hoare annotation was computed. [2020-07-17 11:40:47,637 INFO L264 CegarLoopResult]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-17 11:40:47,637 INFO L268 CegarLoopResult]: For program point L284(lines 283 330) no Hoare annotation was computed. [2020-07-17 11:40:47,637 INFO L264 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-17 11:40:47,638 INFO L268 CegarLoopResult]: For program point L313(lines 313 326) no Hoare annotation was computed. [2020-07-17 11:40:47,638 INFO L264 CegarLoopResult]: At program point L305(line 305) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-17 11:40:47,638 INFO L268 CegarLoopResult]: For program point L303(lines 303 309) no Hoare annotation was computed. [2020-07-17 11:40:47,638 INFO L268 CegarLoopResult]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2020-07-17 11:40:47,638 INFO L264 CegarLoopResult]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-17 11:40:47,638 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-17 11:40:47,638 INFO L268 CegarLoopResult]: For program point L293(lines 293 299) no Hoare annotation was computed. [2020-07-17 11:40:47,638 INFO L268 CegarLoopResult]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2020-07-17 11:40:47,638 INFO L268 CegarLoopResult]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2020-07-17 11:40:47,638 INFO L268 CegarLoopResult]: For program point L737(lines 737 744) no Hoare annotation was computed. [2020-07-17 11:40:47,638 INFO L268 CegarLoopResult]: For program point L731(lines 731 751) no Hoare annotation was computed. [2020-07-17 11:40:47,638 INFO L268 CegarLoopResult]: For program point L731-1(lines 731 751) no Hoare annotation was computed. [2020-07-17 11:40:47,638 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 717 762) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 717 762) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 717 762) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point L396(lines 396 404) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 404) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 388 410) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 388 410) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 388 410) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 614 716) no Hoare annotation was computed. [2020-07-17 11:40:47,639 INFO L268 CegarLoopResult]: For program point L638(lines 638 642) no Hoare annotation was computed. [2020-07-17 11:40:47,640 INFO L268 CegarLoopResult]: For program point L702(lines 702 713) no Hoare annotation was computed. [2020-07-17 11:40:47,640 INFO L268 CegarLoopResult]: For program point L665(lines 665 669) no Hoare annotation was computed. [2020-07-17 11:40:47,640 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 683) no Hoare annotation was computed. [2020-07-17 11:40:47,640 INFO L268 CegarLoopResult]: For program point L684(lines 662 685) no Hoare annotation was computed. [2020-07-17 11:40:47,640 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 614 716) no Hoare annotation was computed. [2020-07-17 11:40:47,640 INFO L268 CegarLoopResult]: For program point L643(lines 643 659) no Hoare annotation was computed. [2020-07-17 11:40:47,640 INFO L268 CegarLoopResult]: For program point L703(lines 703 710) no Hoare annotation was computed. [2020-07-17 11:40:47,640 INFO L268 CegarLoopResult]: For program point L664(lines 663 683) no Hoare annotation was computed. [2020-07-17 11:40:47,640 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-07-17 11:40:47,640 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-17 11:40:47,641 INFO L268 CegarLoopResult]: For program point L660(lines 660 701) no Hoare annotation was computed. [2020-07-17 11:40:47,641 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 614 716) no Hoare annotation was computed. [2020-07-17 11:40:47,641 INFO L268 CegarLoopResult]: For program point L679(line 679) no Hoare annotation was computed. [2020-07-17 11:40:47,641 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-07-17 11:40:47,641 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2020-07-17 11:40:47,641 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2020-07-17 11:40:47,641 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2020-07-17 11:40:47,641 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:40:47,642 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-17 11:40:47,642 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:40:47,642 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2020-07-17 11:40:47,642 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2020-07-17 11:40:47,642 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:40:47,642 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2020-07-17 11:40:47,642 INFO L268 CegarLoopResult]: For program point L232(lines 232 236) no Hoare annotation was computed. [2020-07-17 11:40:47,642 INFO L271 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: true [2020-07-17 11:40:47,643 INFO L268 CegarLoopResult]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2020-07-17 11:40:47,643 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2020-07-17 11:40:47,643 INFO L268 CegarLoopResult]: For program point L230-1(line 230) no Hoare annotation was computed. [2020-07-17 11:40:47,643 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2020-07-17 11:40:47,643 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2020-07-17 11:40:47,643 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2020-07-17 11:40:47,643 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2020-07-17 11:40:47,643 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse1 .cse0 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-17 11:40:47,644 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2020-07-17 11:40:47,644 INFO L268 CegarLoopResult]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2020-07-17 11:40:47,644 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:40:47,644 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:40:47,644 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:40:47,644 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 379 387) no Hoare annotation was computed. [2020-07-17 11:40:47,644 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 379 387) no Hoare annotation was computed. [2020-07-17 11:40:47,644 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 379 387) no Hoare annotation was computed. [2020-07-17 11:40:47,644 INFO L264 CegarLoopResult]: At program point L81(line 81) the Hoare annotation is: (let ((.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or (not (= 2 |old(~waterLevel~0)|)) .cse3 (and .cse4 .cse5 (= 1 ~waterLevel~0)) .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse4 .cse5 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (and .cse4 .cse5 (<= ~waterLevel~0 0) .cse0) .cse3 .cse1 .cse2))) [2020-07-17 11:40:47,645 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 .cse5 .cse2 .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse4 .cse5 .cse3)))) [2020-07-17 11:40:47,645 INFO L264 CegarLoopResult]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= 0 ~waterLevel~0)) (.cse11 (= 0 ~pumpRunning~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (not (= 0 ~waterLevel~0))) (.cse15 (= 1 ~systemActive~0))) (let ((.cse0 (and .cse5 .cse11 .cse12 .cse6 .cse7 .cse15)) (.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (and .cse11 .cse10)) (.cse14 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not .cse15))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (let ((.cse9 (<= ~waterLevel~0 0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse3 .cse4 .cse5 .cse6) .cse0 (and .cse3 .cse4 .cse9 .cse10) .cse1 .cse2 (and .cse9 .cse11 .cse12 .cse10 .cse7) .cse8)) (or (not (<= |old(~waterLevel~0)| 1)) .cse13 .cse14 .cse8) (or .cse13 (and .cse10 (<= 1 ~pumpRunning~0)) (not (= 2 |old(~waterLevel~0)|)) .cse14 .cse8)))) [2020-07-17 11:40:47,645 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2020-07-17 11:40:47,645 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse3 .cse1 .cse2))) [2020-07-17 11:40:47,645 INFO L268 CegarLoopResult]: For program point L72(lines 68 90) no Hoare annotation was computed. [2020-07-17 11:40:47,645 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2020-07-17 11:40:47,646 INFO L268 CegarLoopResult]: For program point L70(lines 68 90) no Hoare annotation was computed. [2020-07-17 11:40:47,646 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2020-07-17 11:40:47,646 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2020-07-17 11:40:47,646 INFO L271 CegarLoopResult]: At program point L923(lines 898 927) the Hoare annotation is: true [2020-07-17 11:40:47,646 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-17 11:40:47,646 INFO L268 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-07-17 11:40:47,646 INFO L271 CegarLoopResult]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2020-07-17 11:40:47,646 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-17 11:40:47,646 INFO L271 CegarLoopResult]: At program point L908-2(lines 908 922) the Hoare annotation is: true [2020-07-17 11:40:47,646 INFO L271 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: true [2020-07-17 11:40:47,647 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-07-17 11:40:47,647 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:40:47,647 INFO L268 CegarLoopResult]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2020-07-17 11:40:47,647 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2020-07-17 11:40:47,647 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-17 11:40:47,647 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2020-07-17 11:40:47,647 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:40:47,647 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:40:47,647 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:40:47,648 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:40:47,648 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2020-07-17 11:40:47,648 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3))) [2020-07-17 11:40:47,648 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2020-07-17 11:40:47,648 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 .cse5 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-17 11:40:47,648 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2020-07-17 11:40:47,648 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 (not (<= ~waterLevel~0 1)) .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-17 11:40:47,649 INFO L268 CegarLoopResult]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2020-07-17 11:40:47,649 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~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))) [2020-07-17 11:40:47,649 INFO L264 CegarLoopResult]: At program point L110(line 110) 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 (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse2))) [2020-07-17 11:40:47,649 INFO L268 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2020-07-17 11:40:47,649 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1))) [2020-07-17 11:40:47,649 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-07-17 11:40:47,649 INFO L268 CegarLoopResult]: For program point L104(lines 104 121) no Hoare annotation was computed. [2020-07-17 11:40:47,649 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2020-07-17 11:40:47,650 INFO L268 CegarLoopResult]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2020-07-17 11:40:47,650 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse4 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 0)) .cse0 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (= 0 ~pumpRunning~0)) .cse2))) [2020-07-17 11:40:47,650 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-17 11:40:47,650 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-17 11:40:47,650 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-17 11:40:47,650 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-17 11:40:47,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:40:47 BoogieIcfgContainer [2020-07-17 11:40:47,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:40:47,679 INFO L168 Benchmark]: Toolchain (without parser) took 149208.65 ms. Allocated memory was 136.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 101.1 MB in the beginning and 655.8 MB in the end (delta: -554.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-17 11:40:47,679 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:40:47,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.08 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 167.1 MB in the end (delta: -66.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2020-07-17 11:40:47,680 INFO L168 Benchmark]: Boogie Preprocessor took 84.63 ms. Allocated memory is still 199.2 MB. Free memory was 167.1 MB in the beginning and 162.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:40:47,682 INFO L168 Benchmark]: RCFGBuilder took 1192.56 ms. Allocated memory was 199.2 MB in the beginning and 229.6 MB in the end (delta: 30.4 MB). Free memory was 162.8 MB in the beginning and 191.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:40:47,683 INFO L168 Benchmark]: TraceAbstraction took 147164.06 ms. Allocated memory was 229.6 MB in the beginning and 1.2 GB in the end (delta: 986.7 MB). Free memory was 191.5 MB in the beginning and 655.8 MB in the end (delta: -464.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-17 11:40:47,685 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 761.08 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 167.1 MB in the end (delta: -66.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.63 ms. Allocated memory is still 199.2 MB. Free memory was 167.1 MB in the beginning and 162.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1192.56 ms. Allocated memory was 199.2 MB in the beginning and 229.6 MB in the end (delta: 30.4 MB). Free memory was 162.8 MB in the beginning and 191.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 147164.06 ms. Allocated memory was 229.6 MB in the beginning and 1.2 GB in the end (delta: 986.7 MB). Free memory was 191.5 MB in the beginning and 655.8 MB in the end (delta: -464.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 249 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 99.2s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 85.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 47.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2373 SDtfs, 7032 SDslu, 5194 SDs, 0 SdLazy, 23837 SolverSat, 5698 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2622 GetRequests, 2168 SyntacticMatches, 15 SemanticMatches, 439 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7009 ImplicationChecksByTransitivity, 46.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1124occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 1284 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2690 PreInvPairs, 3033 NumberOfFragments, 2233 HoareAnnotationTreeSize, 2690 FomulaSimplifications, 6451556526 FormulaSimplificationTreeSizeReduction, 16.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 10582837 FormulaSimplificationTreeSizeReductionInter, 31.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 3509 NumberOfCodeBlocks, 3509 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3490 ConstructedInterpolants, 0 QuantifiedInterpolants, 1906112 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6189 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 2799/3037 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...