/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 19:55:37,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 19:55:37,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 19:55:37,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 19:55:37,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 19:55:37,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 19:55:37,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 19:55:37,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 19:55:37,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 19:55:37,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 19:55:37,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 19:55:37,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 19:55:37,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 19:55:37,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 19:55:37,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 19:55:37,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 19:55:37,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 19:55:37,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 19:55:37,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 19:55:37,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 19:55:37,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 19:55:37,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 19:55:37,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 19:55:37,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 19:55:37,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 19:55:37,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 19:55:37,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 19:55:37,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 19:55:37,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 19:55:37,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 19:55:37,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 19:55:37,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 19:55:37,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 19:55:37,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 19:55:37,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 19:55:37,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 19:55:37,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 19:55:37,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 19:55:37,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 19:55:37,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 19:55:37,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 19:55:37,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 19:55:37,350 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 19:55:37,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 19:55:37,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 19:55:37,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 19:55:37,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 19:55:37,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 19:55:37,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 19:55:37,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 19:55:37,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 19:55:37,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 19:55:37,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 19:55:37,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 19:55:37,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 19:55:37,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 19:55:37,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 19:55:37,358 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 19:55:37,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 19:55:37,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 19:55:37,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 19:55:37,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 19:55:37,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 19:55:37,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 19:55:37,360 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 19:55:37,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 19:55:37,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 19:55:37,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 19:55:37,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 19:55:37,792 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 19:55:37,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2021-02-21 19:55:37,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc1e7a6d/3d1fb62bfa064a32b1c15a4a8bc3bea1/FLAGbf2b43aa7 [2021-02-21 19:55:38,632 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 19:55:38,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2021-02-21 19:55:38,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc1e7a6d/3d1fb62bfa064a32b1c15a4a8bc3bea1/FLAGbf2b43aa7 [2021-02-21 19:55:38,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc1e7a6d/3d1fb62bfa064a32b1c15a4a8bc3bea1 [2021-02-21 19:55:38,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 19:55:38,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 19:55:38,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 19:55:38,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 19:55:38,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 19:55:38,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 07:55:38" (1/1) ... [2021-02-21 19:55:38,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5693a492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:38, skipping insertion in model container [2021-02-21 19:55:38,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 07:55:38" (1/1) ... [2021-02-21 19:55:38,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 19:55:39,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 19:55:39,327 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c[16774,16787] [2021-02-21 19:55:39,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 19:55:39,383 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 19:55:39,526 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c[16774,16787] [2021-02-21 19:55:39,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 19:55:39,603 INFO L208 MainTranslator]: Completed translation [2021-02-21 19:55:39,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:39 WrapperNode [2021-02-21 19:55:39,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 19:55:39,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 19:55:39,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 19:55:39,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 19:55:39,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:39" (1/1) ... [2021-02-21 19:55:39,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:39" (1/1) ... [2021-02-21 19:55:39,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:39" (1/1) ... [2021-02-21 19:55:39,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:39" (1/1) ... [2021-02-21 19:55:39,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:39" (1/1) ... [2021-02-21 19:55:39,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:39" (1/1) ... [2021-02-21 19:55:39,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:39" (1/1) ... [2021-02-21 19:55:39,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 19:55:39,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 19:55:39,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 19:55:39,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 19:55:39,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:39" (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 [2021-02-21 19:55:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 19:55:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 19:55:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 19:55:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 19:55:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-21 19:55:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-21 19:55:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-21 19:55:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-21 19:55:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-21 19:55:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-21 19:55:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-21 19:55:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-21 19:55:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-21 19:55:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-21 19:55:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-21 19:55:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-21 19:55:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 19:55:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 19:55:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 19:55:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 19:55:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 19:55:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 19:55:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 19:55:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-21 19:55:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-21 19:55:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-21 19:55:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-21 19:55:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-21 19:55:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 19:55:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-21 19:55:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 19:55:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 19:55:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 19:55:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 19:55:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 19:55:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 19:55:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-21 19:55:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-21 19:55:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-21 19:55:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-21 19:55:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-21 19:55:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-21 19:55:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-21 19:55:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 19:55:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 19:55:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 19:55:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 19:55:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 19:55:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 19:55:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-21 19:55:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-21 19:55:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-21 19:55:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-21 19:55:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-21 19:55:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-21 19:55:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-21 19:55:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-21 19:55:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-21 19:55:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-21 19:55:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-21 19:55:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-21 19:55:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-21 19:55:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-21 19:55:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-21 19:55:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-21 19:55:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-21 19:55:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-21 19:55:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-21 19:55:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-21 19:55:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-21 19:55:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 19:55:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 19:55:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 19:55:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 19:55:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 19:55:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 19:55:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 19:55:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 19:55:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 19:55:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 19:55:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 19:55:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 19:55:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 19:55:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 19:55:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 19:55:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 19:55:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 19:55:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-21 19:55:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-21 19:55:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-21 19:55:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 19:55:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-21 19:55:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 19:55:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 19:55:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 19:55:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 19:55:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 19:55:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 19:55:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 19:55:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 19:55:41,366 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 19:55:41,367 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 19:55:41,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 07:55:41 BoogieIcfgContainer [2021-02-21 19:55:41,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 19:55:41,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 19:55:41,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 19:55:41,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 19:55:41,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 07:55:38" (1/3) ... [2021-02-21 19:55:41,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0a2021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 07:55:41, skipping insertion in model container [2021-02-21 19:55:41,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:55:39" (2/3) ... [2021-02-21 19:55:41,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0a2021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 07:55:41, skipping insertion in model container [2021-02-21 19:55:41,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 07:55:41" (3/3) ... [2021-02-21 19:55:41,388 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2021-02-21 19:55:41,396 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 19:55:41,404 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 19:55:41,426 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 19:55:41,460 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 19:55:41,461 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 19:55:41,462 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 19:55:41,462 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 19:55:41,462 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 19:55:41,462 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 19:55:41,462 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 19:55:41,462 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 19:55:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2021-02-21 19:55:41,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-21 19:55:41,539 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:55:41,541 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:55:41,542 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:55:41,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:55:41,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1631473396, now seen corresponding path program 1 times [2021-02-21 19:55:41,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:55:41,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758420367] [2021-02-21 19:55:41,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:55:41,636 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:55:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,462 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:55:42,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:55:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 19:55:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 19:55:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 19:55:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 19:55:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 19:55:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 19:55:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:55:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-21 19:55:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-21 19:55:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:42,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:42,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:42,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-21 19:55:42,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758420367] [2021-02-21 19:55:42,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:55:42,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 19:55:42,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896544140] [2021-02-21 19:55:42,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 19:55:42,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:55:42,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 19:55:42,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-21 19:55:42,729 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2021-02-21 19:55:44,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:55:44,518 INFO L93 Difference]: Finished difference Result 526 states and 618 transitions. [2021-02-21 19:55:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 19:55:44,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-21 19:55:44,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:55:44,538 INFO L225 Difference]: With dead ends: 526 [2021-02-21 19:55:44,538 INFO L226 Difference]: Without dead ends: 332 [2021-02-21 19:55:44,544 INFO L677 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 [2021-02-21 19:55:44,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-21 19:55:44,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 283. [2021-02-21 19:55:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-02-21 19:55:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 308 transitions. [2021-02-21 19:55:44,735 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 308 transitions. Word has length 165 [2021-02-21 19:55:44,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:55:44,736 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 308 transitions. [2021-02-21 19:55:44,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 19:55:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 308 transitions. [2021-02-21 19:55:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-21 19:55:44,741 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:55:44,741 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:55:44,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 19:55:44,742 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:55:44,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:55:44,743 INFO L82 PathProgramCache]: Analyzing trace with hash -858118948, now seen corresponding path program 1 times [2021-02-21 19:55:44,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:55:44,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39161659] [2021-02-21 19:55:44,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:55:44,748 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:55:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:44,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:44,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:44,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:44,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:44,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:44,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,262 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:55:45,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:55:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:45,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:45,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 19:55:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:45,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:45,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 19:55:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:45,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:45,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 19:55:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:45,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:45,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 19:55:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:45,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:45,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 19:55:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:45,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:45,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 19:55:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:45,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:45,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:55:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:45,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:45,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-21 19:55:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:45,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:45,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-21 19:55:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:45,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:45,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:45,427 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-21 19:55:45,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39161659] [2021-02-21 19:55:45,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:55:45,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 19:55:45,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045915962] [2021-02-21 19:55:45,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 19:55:45,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:55:45,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 19:55:45,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 19:55:45,431 INFO L87 Difference]: Start difference. First operand 283 states and 308 transitions. Second operand 5 states. [2021-02-21 19:55:46,226 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:55:47,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:55:47,521 INFO L93 Difference]: Finished difference Result 444 states and 501 transitions. [2021-02-21 19:55:47,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 19:55:47,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-21 19:55:47,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:55:47,528 INFO L225 Difference]: With dead ends: 444 [2021-02-21 19:55:47,528 INFO L226 Difference]: Without dead ends: 321 [2021-02-21 19:55:47,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-21 19:55:47,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-02-21 19:55:47,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 273. [2021-02-21 19:55:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-21 19:55:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 295 transitions. [2021-02-21 19:55:47,660 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 295 transitions. Word has length 166 [2021-02-21 19:55:47,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:55:47,660 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 295 transitions. [2021-02-21 19:55:47,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 19:55:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 295 transitions. [2021-02-21 19:55:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-21 19:55:47,663 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:55:47,664 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:55:47,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 19:55:47,664 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:55:47,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:55:47,665 INFO L82 PathProgramCache]: Analyzing trace with hash 567614448, now seen corresponding path program 1 times [2021-02-21 19:55:47,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:55:47,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709375543] [2021-02-21 19:55:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:55:47,669 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:55:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:47,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:47,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:47,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:47,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:47,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:47,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:47,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:47,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:47,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:47,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:55:47,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:47,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,117 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:55:48,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:55:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 19:55:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 19:55:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 19:55:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:55:48,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:55:48,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 19:55:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 19:55:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 19:55:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:48,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 19:55:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:55:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-21 19:55:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-21 19:55:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:48,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:48,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:48,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-21 19:55:48,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709375543] [2021-02-21 19:55:48,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:55:48,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 19:55:48,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075839687] [2021-02-21 19:55:48,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 19:55:48,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:55:48,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 19:55:48,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-21 19:55:48,397 INFO L87 Difference]: Start difference. First operand 273 states and 295 transitions. Second operand 11 states. [2021-02-21 19:55:49,124 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:55:49,585 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:55:49,989 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:55:50,409 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:55:50,783 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:55:51,148 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:55:52,471 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:55:55,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:55:55,274 INFO L93 Difference]: Finished difference Result 746 states and 868 transitions. [2021-02-21 19:55:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-21 19:55:55,275 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-21 19:55:55,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:55:55,293 INFO L225 Difference]: With dead ends: 746 [2021-02-21 19:55:55,294 INFO L226 Difference]: Without dead ends: 593 [2021-02-21 19:55:55,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-21 19:55:55,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-02-21 19:55:55,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 494. [2021-02-21 19:55:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2021-02-21 19:55:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 554 transitions. [2021-02-21 19:55:55,587 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 554 transitions. Word has length 179 [2021-02-21 19:55:55,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:55:55,588 INFO L480 AbstractCegarLoop]: Abstraction has 494 states and 554 transitions. [2021-02-21 19:55:55,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 19:55:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 554 transitions. [2021-02-21 19:55:55,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-21 19:55:55,592 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:55:55,592 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:55:55,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 19:55:55,593 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:55:55,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:55:55,594 INFO L82 PathProgramCache]: Analyzing trace with hash -412837419, now seen corresponding path program 1 times [2021-02-21 19:55:55,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:55:55,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661472685] [2021-02-21 19:55:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:55:55,598 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:55:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:55,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:55,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:55,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:55,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:55,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:55,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:55,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:55,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:55,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:55,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:55,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:55,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:55,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:55,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:55,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:55,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:55,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:55,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,004 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:55:56,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:55:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:56,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 19:55:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 19:55:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 19:55:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 19:55:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 19:55:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-21 19:55:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-21 19:55:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:55:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-21 19:55:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-21 19:55:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:55:56,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:55:56,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:56,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:55:56,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:55:56,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-21 19:55:56,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661472685] [2021-02-21 19:55:56,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:55:56,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 19:55:56,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229850708] [2021-02-21 19:55:56,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 19:55:56,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:55:56,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 19:55:56,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-21 19:55:56,209 INFO L87 Difference]: Start difference. First operand 494 states and 554 transitions. Second operand 10 states. [2021-02-21 19:55:56,864 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:55:57,916 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:55:58,291 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:55:59,550 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:55:59,971 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:00,465 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:56:00,840 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:01,261 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:56:01,637 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:02,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:56:02,700 INFO L93 Difference]: Finished difference Result 1133 states and 1360 transitions. [2021-02-21 19:56:02,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-21 19:56:02,701 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-21 19:56:02,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:56:02,714 INFO L225 Difference]: With dead ends: 1133 [2021-02-21 19:56:02,714 INFO L226 Difference]: Without dead ends: 759 [2021-02-21 19:56:02,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-21 19:56:02,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2021-02-21 19:56:02,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 666. [2021-02-21 19:56:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2021-02-21 19:56:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 750 transitions. [2021-02-21 19:56:02,998 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 750 transitions. Word has length 184 [2021-02-21 19:56:02,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:56:02,999 INFO L480 AbstractCegarLoop]: Abstraction has 666 states and 750 transitions. [2021-02-21 19:56:02,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 19:56:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 750 transitions. [2021-02-21 19:56:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-21 19:56:03,003 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:56:03,004 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:56:03,004 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 19:56:03,004 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:56:03,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:56:03,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1003651235, now seen corresponding path program 1 times [2021-02-21 19:56:03,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:56:03,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919345303] [2021-02-21 19:56:03,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:56:03,009 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:56:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,361 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:56:03,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:56:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 19:56:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 19:56:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 19:56:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 19:56:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 19:56:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 19:56:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 19:56:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:56:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-21 19:56:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:56:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:03,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:03,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:56:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:03,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:03,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:03,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:56:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:56:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-21 19:56:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-21 19:56:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:03,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:03,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 19:56:03,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919345303] [2021-02-21 19:56:03,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:56:03,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 19:56:03,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779159981] [2021-02-21 19:56:03,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 19:56:03,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:56:03,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 19:56:03,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-21 19:56:03,667 INFO L87 Difference]: Start difference. First operand 666 states and 750 transitions. Second operand 11 states. [2021-02-21 19:56:05,468 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:05,895 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:56:06,284 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:56:06,658 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:56:07,049 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:56:07,402 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:56:08,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:56:08,694 INFO L93 Difference]: Finished difference Result 1420 states and 1704 transitions. [2021-02-21 19:56:08,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-21 19:56:08,695 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2021-02-21 19:56:08,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:56:08,701 INFO L225 Difference]: With dead ends: 1420 [2021-02-21 19:56:08,701 INFO L226 Difference]: Without dead ends: 874 [2021-02-21 19:56:08,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-21 19:56:08,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-02-21 19:56:08,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 685. [2021-02-21 19:56:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2021-02-21 19:56:08,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 770 transitions. [2021-02-21 19:56:08,974 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 770 transitions. Word has length 217 [2021-02-21 19:56:08,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:56:08,974 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 770 transitions. [2021-02-21 19:56:08,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 19:56:08,975 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 770 transitions. [2021-02-21 19:56:08,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-21 19:56:08,979 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:56:08,979 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:56:08,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 19:56:08,979 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:56:08,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:56:08,980 INFO L82 PathProgramCache]: Analyzing trace with hash 878446851, now seen corresponding path program 1 times [2021-02-21 19:56:08,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:56:08,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823566361] [2021-02-21 19:56:08,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:56:08,984 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:56:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:09,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:09,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,359 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:56:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:56:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 19:56:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 19:56:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 19:56:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:09,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:09,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 19:56:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 19:56:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 19:56:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 19:56:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:56:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-21 19:56:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:56:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:56:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:09,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:09,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:56:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:09,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:09,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:56:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-21 19:56:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-21 19:56:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:09,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:09,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 19:56:09,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823566361] [2021-02-21 19:56:09,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:56:09,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-21 19:56:09,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701655180] [2021-02-21 19:56:09,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-21 19:56:09,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:56:09,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-21 19:56:09,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-21 19:56:09,689 INFO L87 Difference]: Start difference. First operand 685 states and 770 transitions. Second operand 14 states. [2021-02-21 19:56:10,420 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:10,791 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:56:11,165 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:56:11,527 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:56:11,878 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:56:13,168 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:56:13,550 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:56:13,939 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:56:14,347 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:56:14,721 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:56:16,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:56:16,530 INFO L93 Difference]: Finished difference Result 1461 states and 1771 transitions. [2021-02-21 19:56:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-21 19:56:16,531 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2021-02-21 19:56:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:56:16,537 INFO L225 Difference]: With dead ends: 1461 [2021-02-21 19:56:16,537 INFO L226 Difference]: Without dead ends: 896 [2021-02-21 19:56:16,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-21 19:56:16,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-02-21 19:56:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 697. [2021-02-21 19:56:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-02-21 19:56:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 782 transitions. [2021-02-21 19:56:16,824 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 782 transitions. Word has length 217 [2021-02-21 19:56:16,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:56:16,826 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 782 transitions. [2021-02-21 19:56:16,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-21 19:56:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 782 transitions. [2021-02-21 19:56:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-21 19:56:16,834 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:56:16,834 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:56:16,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 19:56:16,834 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:56:16,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:56:16,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1568940992, now seen corresponding path program 1 times [2021-02-21 19:56:16,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:56:16,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110966082] [2021-02-21 19:56:16,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:56:16,839 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:56:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:16,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:16,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:16,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:16,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:16,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:16,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:16,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:16,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:16,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:16,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 19:56:16,942 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-21 19:56:16,947 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-21 19:56:16,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:16,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,266 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:56:17,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:56:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 19:56:17,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 19:56:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 19:56:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 19:56:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 19:56:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 19:56:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 19:56:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 19:56:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:56:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-21 19:56:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:17,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:56:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:56:17,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:56:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:56:17,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:56:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:56:17,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:56:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-21 19:56:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-21 19:56:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:17,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:17,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 19:56:17,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110966082] [2021-02-21 19:56:17,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:56:17,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 19:56:17,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795656759] [2021-02-21 19:56:17,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 19:56:17,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:56:17,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 19:56:17,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-21 19:56:17,532 INFO L87 Difference]: Start difference. First operand 697 states and 782 transitions. Second operand 8 states. [2021-02-21 19:56:18,118 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:56:18,915 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:56:22,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:56:22,359 INFO L93 Difference]: Finished difference Result 2230 states and 2731 transitions. [2021-02-21 19:56:22,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-21 19:56:22,360 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2021-02-21 19:56:22,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:56:22,371 INFO L225 Difference]: With dead ends: 2230 [2021-02-21 19:56:22,371 INFO L226 Difference]: Without dead ends: 1653 [2021-02-21 19:56:22,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2021-02-21 19:56:22,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2021-02-21 19:56:22,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1385. [2021-02-21 19:56:22,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1385 states. [2021-02-21 19:56:22,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1579 transitions. [2021-02-21 19:56:22,935 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1579 transitions. Word has length 217 [2021-02-21 19:56:22,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:56:22,935 INFO L480 AbstractCegarLoop]: Abstraction has 1385 states and 1579 transitions. [2021-02-21 19:56:22,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 19:56:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1579 transitions. [2021-02-21 19:56:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-21 19:56:22,940 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:56:22,941 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:56:22,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 19:56:22,941 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:56:22,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:56:22,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1294702977, now seen corresponding path program 1 times [2021-02-21 19:56:22,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:56:22,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046224534] [2021-02-21 19:56:22,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:56:22,945 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:56:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:23,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:23,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:23,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:23,073 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-21 19:56:23,074 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-21 19:56:23,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:23,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:23,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:23,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,411 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:56:23,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:56:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 19:56:23,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 19:56:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 19:56:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 19:56:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 19:56:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 19:56:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 19:56:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:23,521 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-21 19:56:23,521 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-21 19:56:23,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 19:56:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-21 19:56:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:56:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-21 19:56:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:56:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:56:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:56:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:56:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-21 19:56:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:23,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:23,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-02-21 19:56:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:23,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:23,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:23,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 19:56:23,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046224534] [2021-02-21 19:56:23,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:56:23,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-21 19:56:23,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821935555] [2021-02-21 19:56:23,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-21 19:56:23,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:56:23,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-21 19:56:23,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-21 19:56:23,708 INFO L87 Difference]: Start difference. First operand 1385 states and 1579 transitions. Second operand 15 states. [2021-02-21 19:56:24,701 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-21 19:56:25,695 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:56:27,281 WARN L202 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-21 19:56:28,001 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-21 19:56:28,452 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:28,848 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:56:29,590 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-21 19:56:29,956 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:30,390 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:56:30,774 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:34,489 WARN L202 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-21 19:56:35,245 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:56:35,669 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:36,250 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:56:37,676 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-21 19:56:38,372 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-21 19:56:39,094 WARN L202 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-21 19:56:39,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:56:39,992 INFO L93 Difference]: Finished difference Result 4228 states and 5195 transitions. [2021-02-21 19:56:39,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-21 19:56:39,993 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2021-02-21 19:56:39,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:56:40,014 INFO L225 Difference]: With dead ends: 4228 [2021-02-21 19:56:40,014 INFO L226 Difference]: Without dead ends: 3244 [2021-02-21 19:56:40,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2021-02-21 19:56:40,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2021-02-21 19:56:41,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 2534. [2021-02-21 19:56:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2534 states. [2021-02-21 19:56:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 2870 transitions. [2021-02-21 19:56:41,383 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 2870 transitions. Word has length 222 [2021-02-21 19:56:41,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:56:41,383 INFO L480 AbstractCegarLoop]: Abstraction has 2534 states and 2870 transitions. [2021-02-21 19:56:41,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-21 19:56:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2870 transitions. [2021-02-21 19:56:41,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-02-21 19:56:41,392 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:56:41,392 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:56:41,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 19:56:41,393 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:56:41,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:56:41,394 INFO L82 PathProgramCache]: Analyzing trace with hash 392433829, now seen corresponding path program 1 times [2021-02-21 19:56:41,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:56:41,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729741355] [2021-02-21 19:56:41,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:56:41,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:41,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:41,743 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2021-02-21 19:56:41,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:41,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-02-21 19:56:41,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:41,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:41,987 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2021-02-21 19:56:41,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:41,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-21 19:56:42,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:42,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:42,292 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2021-02-21 19:56:42,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:42,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-02-21 19:56:42,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:42,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:42,590 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2021-02-21 19:56:42,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:42,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-21 19:56:42,599 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-21 19:56:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:42,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:42,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:42,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:42,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:42,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:42,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:56:42,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:42,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,049 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:56:43,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:56:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 19:56:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 19:56:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 19:56:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 19:56:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 19:56:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-21 19:56:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 19:56:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:43,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:43,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:56:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:43,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:43,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-21 19:56:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-21 19:56:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:56:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 19:56:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 19:56:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:56:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-02-21 19:56:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-02-21 19:56:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:56:43,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 19:56:43,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:56:43,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:56:43,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:43,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:43,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:56:43,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:56:43,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-02-21 19:56:43,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:56:43,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:43,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:56:43,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:56:43,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:43,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:56:43,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-02-21 19:56:43,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:56:43,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:56:43,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:56:43,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:43,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:56:43,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:43,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-02-21 19:56:43,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:43,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:43,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:56:43,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 19:56:43,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:43,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:43,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:43,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:43,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:56:43,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:43,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:43,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 19:56:43,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:43,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:56:43,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:43,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:56:43,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:56:43,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 19:56:43,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:43,796 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-21 19:56:43,797 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-21 19:56:43,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 19:56:43,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 19:56:43,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:43,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:43,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:43,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:43,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:43,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:56:44,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:44,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:44,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:44,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:56:44,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:56:44,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:56:44,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:44,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:56:44,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:44,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:44,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:44,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:56:44,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:56:44,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:56:44,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 19:56:44,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 19:56:44,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:44,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 19:56:44,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:44,442 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-21 19:56:44,443 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-21 19:56:44,481 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-21 19:56:44,482 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-21 19:56:44,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:56:44,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:56:44,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:56:44,576 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-21 19:56:44,576 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-21 19:56:44,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:44,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:44,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:44,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:56:44,797 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-21 19:56:44,798 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-21 19:56:44,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:44,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:56:44,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:44,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:44,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:44,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 19:56:45,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-21 19:56:45,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-21 19:56:45,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-21 19:56:45,201 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-21 19:56:45,202 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-21 19:56:45,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:45,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:56:45,339 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-21 19:56:45,339 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-21 19:56:45,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:56:45,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:45,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:56:45,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:45,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:56:45,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:45,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:56:45,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:45,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:56:45,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:45,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:45,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:45,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:45,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:45,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:45,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:45,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:45,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:45,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:45,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:56:45,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 19:56:45,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:45,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:56:45,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:45,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:56:46,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:46,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:56:46,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:46,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:56:46,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:46,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:56:46,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:46,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:56:46,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:56:46,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:56:46,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729741355] [2021-02-21 19:56:46,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:56:46,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2021-02-21 19:56:46,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12743883] [2021-02-21 19:56:46,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-02-21 19:56:46,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:56:46,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-02-21 19:56:46,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=3333, Unknown=0, NotChecked=0, Total=3660 [2021-02-21 19:56:46,060 INFO L87 Difference]: Start difference. First operand 2534 states and 2870 transitions. Second operand 56 states. [2021-02-21 19:56:46,758 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:56:47,505 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:56:47,983 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:56:48,383 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:56:48,779 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:56:49,216 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:56:49,651 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:56:50,032 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:56:50,452 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:56:50,917 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:56:51,349 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:56:51,822 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:56:52,365 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:56:52,893 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:56:53,396 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:56:53,939 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:56:54,735 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:55,525 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:56:55,960 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:56,388 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:56:56,763 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:56:57,185 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:56:57,566 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:56:57,974 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:56:58,836 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:56:59,200 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:57:00,048 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:57:00,520 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:01,006 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:57:01,463 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:57:01,964 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:02,365 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:57:02,924 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:57:03,422 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:04,082 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:57:04,646 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 19:57:05,247 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:57:05,695 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 19:57:06,257 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 19:57:06,762 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:07,515 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:57:08,126 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:09,410 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:57:10,525 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:57:11,269 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:57:12,018 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:57:12,548 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:57:13,039 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:57:13,465 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:13,908 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:57:14,340 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:57:15,095 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:15,538 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:16,025 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:57:16,443 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:57:16,924 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:57:17,362 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:18,145 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:20,124 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:57:21,413 WARN L202 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-21 19:57:24,092 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:57:25,738 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:57:28,769 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-21 19:57:30,795 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:31,390 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:57:32,418 WARN L202 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-21 19:57:33,239 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2021-02-21 19:57:34,071 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:57:34,454 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:57:35,984 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:57:36,371 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:57:37,468 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:57:37,872 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:57:38,330 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:57:39,112 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:57:40,233 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 19:57:40,797 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:57:41,503 WARN L202 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:57:42,474 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:57:43,738 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:57:44,703 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:57:45,959 WARN L202 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-21 19:57:46,881 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:57:48,709 WARN L202 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-21 19:57:49,639 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:57:51,046 WARN L202 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-21 19:57:52,086 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:57:53,661 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:57:54,495 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 19:57:57,302 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-21 19:57:58,038 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:58:00,413 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:58:01,734 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:58:02,462 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:58:03,002 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:58:03,426 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:58:03,920 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:58:04,402 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 19:58:04,868 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:58:05,638 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:58:11,339 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:58:13,503 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-21 19:58:14,220 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:58:14,689 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:58:15,710 WARN L202 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-21 19:58:32,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:58:32,315 INFO L93 Difference]: Finished difference Result 9600 states and 12270 transitions. [2021-02-21 19:58:32,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 629 states. [2021-02-21 19:58:32,316 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 308 [2021-02-21 19:58:32,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:58:32,370 INFO L225 Difference]: With dead ends: 9600 [2021-02-21 19:58:32,370 INFO L226 Difference]: Without dead ends: 7452 [2021-02-21 19:58:32,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 199 SyntacticMatches, 5 SemanticMatches, 682 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216812 ImplicationChecksByTransitivity, 76.1s TimeCoverageRelationStatistics Valid=19967, Invalid=447205, Unknown=0, NotChecked=0, Total=467172 [2021-02-21 19:58:32,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7452 states. [2021-02-21 19:58:35,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7452 to 4754. [2021-02-21 19:58:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4754 states. [2021-02-21 19:58:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 5336 transitions. [2021-02-21 19:58:35,159 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 5336 transitions. Word has length 308 [2021-02-21 19:58:35,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:58:35,160 INFO L480 AbstractCegarLoop]: Abstraction has 4754 states and 5336 transitions. [2021-02-21 19:58:35,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 56 states. [2021-02-21 19:58:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 5336 transitions. [2021-02-21 19:58:35,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-02-21 19:58:35,182 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:58:35,183 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:58:35,183 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 19:58:35,183 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:58:35,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:58:35,184 INFO L82 PathProgramCache]: Analyzing trace with hash 2056620729, now seen corresponding path program 1 times [2021-02-21 19:58:35,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:58:35,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218382674] [2021-02-21 19:58:35,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:58:35,581 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 101 [2021-02-21 19:58:35,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:35,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-02-21 19:58:35,890 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 101 [2021-02-21 19:58:35,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:35,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-02-21 19:58:36,203 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 101 [2021-02-21 19:58:36,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:36,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-02-21 19:58:36,520 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 101 [2021-02-21 19:58:36,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:36,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-02-21 19:58:36,899 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2021-02-21 19:58:36,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:36,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-02-21 19:58:37,276 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2021-02-21 19:58:37,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:37,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-02-21 19:58:37,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:37,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:58:37,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:37,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:58:37,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:37,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:58:37,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:37,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:58:37,775 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2021-02-21 19:58:37,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:37,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-02-21 19:58:38,199 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2021-02-21 19:58:38,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:38,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-02-21 19:58:38,742 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 120 [2021-02-21 19:58:38,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:38,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-02-21 19:58:39,156 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-02-21 19:58:39,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:39,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-02-21 19:58:39,548 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 120 [2021-02-21 19:58:39,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:39,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-21 19:58:39,923 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-02-21 19:58:39,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:39,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-02-21 19:58:40,322 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-02-21 19:58:40,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:40,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-02-21 19:58:40,770 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-02-21 19:58:40,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:40,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-02-21 19:58:41,148 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 120 [2021-02-21 19:58:41,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:41,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-02-21 19:58:41,545 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 120 [2021-02-21 19:58:41,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:58:41,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-21 19:58:41,552 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-21 19:58:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 19:58:41,782 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 19:58:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 19:58:42,053 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 19:58:42,316 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-21 19:58:42,316 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-21 19:58:42,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-21 19:58:42,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 07:58:42 BoogieIcfgContainer [2021-02-21 19:58:42,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 19:58:42,362 INFO L168 Benchmark]: Toolchain (without parser) took 183433.01 ms. Allocated memory was 152.0 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 127.5 MB in the beginning and 689.5 MB in the end (delta: -562.0 MB). Peak memory consumption was 788.3 MB. Max. memory is 8.0 GB. [2021-02-21 19:58:42,362 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 19:58:42,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.14 ms. Allocated memory is still 152.0 MB. Free memory was 126.2 MB in the beginning and 104.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-21 19:58:42,363 INFO L168 Benchmark]: Boogie Preprocessor took 111.84 ms. Allocated memory is still 152.0 MB. Free memory was 104.9 MB in the beginning and 101.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-21 19:58:42,363 INFO L168 Benchmark]: RCFGBuilder took 1629.72 ms. Allocated memory was 152.0 MB in the beginning and 187.7 MB in the end (delta: 35.7 MB). Free memory was 134.5 MB in the beginning and 115.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 57.0 MB. Max. memory is 8.0 GB. [2021-02-21 19:58:42,363 INFO L168 Benchmark]: TraceAbstraction took 180983.64 ms. Allocated memory was 187.7 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 115.3 MB in the beginning and 689.5 MB in the end (delta: -574.2 MB). Peak memory consumption was 739.1 MB. Max. memory is 8.0 GB. [2021-02-21 19:58:42,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 661.14 ms. Allocated memory is still 152.0 MB. Free memory was 126.2 MB in the beginning and 104.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 111.84 ms. Allocated memory is still 152.0 MB. Free memory was 104.9 MB in the beginning and 101.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1629.72 ms. Allocated memory was 152.0 MB in the beginning and 187.7 MB in the end (delta: 35.7 MB). Free memory was 134.5 MB in the beginning and 115.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 57.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 180983.64 ms. Allocated memory was 187.7 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 115.3 MB in the beginning and 689.5 MB in the end (delta: -574.2 MB). Peak memory consumption was 739.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 852]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L53] int pumpRunning = 0; [L54] int systemActive = 1; [L500] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L699] int switchedOnBeforeTS ; [L748] int cleanupTimeShifts = 4; [L892] int waterLevel = 1; [L893] int methaneLevelCritical = 0; [L825] int retValue_acc ; [L826] int tmp ; [L830] FCALL select_helpers() [L831] FCALL select_features() [L832] CALL, EXPR valid_product() [L883] int retValue_acc ; [L886] retValue_acc = 1 [L887] return (retValue_acc); [L832] RET, EXPR valid_product() [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L836] FCALL setup() [L837] CALL runTest() [L815] CALL __utac_acc__Specification5_spec__1() [L704] switchedOnBeforeTS = 0 [L815] RET __utac_acc__Specification5_spec__1() [L816] CALL test() [L263] int splverifierCounter ; [L264] int tmp ; [L265] int tmp___0 ; [L266] int tmp___1 ; [L267] int tmp___2 ; [L270] splverifierCounter = 0 [L272] COND TRUE 1 [L274] COND TRUE splverifierCounter < 4 [L280] tmp = __VERIFIER_nondet_int() [L282] COND TRUE \read(tmp) [L284] CALL waterRise() [L910] COND TRUE waterLevel < 2 [L911] waterLevel = waterLevel + 1 [L284] RET waterRise() [L290] tmp___0 = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp___0)) [L300] tmp___2 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___2)) [L308] tmp___1 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___1)) [L319] CALL timeShift() [L63] CALL __utac_acc__Specification5_spec__2() [L713] CALL, EXPR isPumpRunning() [L172] int retValue_acc ; [L175] retValue_acc = pumpRunning [L176] return (retValue_acc); [L713] RET, EXPR isPumpRunning() [L713] switchedOnBeforeTS = isPumpRunning() [L63] RET __utac_acc__Specification5_spec__2() [L65] COND FALSE !(\read(pumpRunning)) [L72] COND TRUE \read(systemActive) [L74] CALL processEnvironment() [L120] int tmp ; [L123] COND FALSE !(\read(pumpRunning)) [L138] CALL processEnvironment__wrappee__highWaterSensor() [L94] int tmp ; [L97] COND TRUE ! pumpRunning [L99] CALL, EXPR isHighWaterLevel() [L217] int retValue_acc ; [L218] int tmp ; [L219] int tmp___0 ; [L223] CALL, EXPR isHighWaterSensorDry() [L972] int retValue_acc ; [L975] COND FALSE !(waterLevel < 2) [L979] retValue_acc = 0 [L980] return (retValue_acc); [L223] RET, EXPR isHighWaterSensorDry() [L223] tmp = isHighWaterSensorDry() [L225] COND FALSE !(\read(tmp)) [L228] tmp___0 = 1 [L230] retValue_acc = tmp___0 [L231] return (retValue_acc); [L99] RET, EXPR isHighWaterLevel() [L99] tmp = isHighWaterLevel() [L101] COND TRUE \read(tmp) [L103] CALL activatePump() [L148] pumpRunning = 1 [L103] RET activatePump() [L138] RET processEnvironment__wrappee__highWaterSensor() [L74] RET processEnvironment() [L80] CALL __utac_acc__Specification5_spec__3() [L719] int tmp ; [L720] int tmp___0 ; [L724] CALL, EXPR getWaterLevel() [L963] int retValue_acc ; [L966] retValue_acc = waterLevel [L967] return (retValue_acc); [L724] RET, EXPR getWaterLevel() [L724] tmp = getWaterLevel() [L726] COND FALSE !(tmp != 2) [L80] RET __utac_acc__Specification5_spec__3() [L319] RET timeShift() [L272] COND TRUE 1 [L274] COND TRUE splverifierCounter < 4 [L280] tmp = __VERIFIER_nondet_int() [L282] COND FALSE !(\read(tmp)) [L290] tmp___0 = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp___0)) [L300] tmp___2 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___2)) [L308] tmp___1 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___1)) [L319] CALL timeShift() [L63] CALL __utac_acc__Specification5_spec__2() [L713] CALL, EXPR isPumpRunning() [L172] int retValue_acc ; [L175] retValue_acc = pumpRunning [L176] return (retValue_acc); [L713] RET, EXPR isPumpRunning() [L713] switchedOnBeforeTS = isPumpRunning() [L63] RET __utac_acc__Specification5_spec__2() [L65] COND TRUE \read(pumpRunning) [L67] CALL lowerWaterLevel() [L898] COND TRUE waterLevel > 0 [L899] waterLevel = waterLevel - 1 [L67] RET lowerWaterLevel() [L72] COND TRUE \read(systemActive) [L74] CALL processEnvironment() [L120] int tmp ; [L123] COND TRUE \read(pumpRunning) [L125] CALL, EXPR isMethaneAlarm() [L161] int retValue_acc ; [L165] CALL, EXPR isMethaneLevelCritical() [L931] int retValue_acc ; [L934] retValue_acc = methaneLevelCritical [L935] return (retValue_acc); [L165] RET, EXPR isMethaneLevelCritical() [L165] retValue_acc = isMethaneLevelCritical() [L167] return (retValue_acc); [L125] RET, EXPR isMethaneAlarm() [L125] tmp = isMethaneAlarm() [L127] COND FALSE !(\read(tmp)) [L133] CALL processEnvironment__wrappee__highWaterSensor() [L94] int tmp ; [L97] COND FALSE !(! pumpRunning) [L112] FCALL processEnvironment__wrappee__base() [L133] RET processEnvironment__wrappee__highWaterSensor() [L74] RET processEnvironment() [L80] CALL __utac_acc__Specification5_spec__3() [L719] int tmp ; [L720] int tmp___0 ; [L724] CALL, EXPR getWaterLevel() [L963] int retValue_acc ; [L966] retValue_acc = waterLevel [L967] return (retValue_acc); [L724] RET, EXPR getWaterLevel() [L724] tmp = getWaterLevel() [L726] COND FALSE !(tmp != 2) [L80] RET __utac_acc__Specification5_spec__3() [L319] RET timeShift() [L272] COND TRUE 1 [L274] COND TRUE splverifierCounter < 4 [L280] tmp = __VERIFIER_nondet_int() [L282] COND FALSE !(\read(tmp)) [L290] tmp___0 = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp___0)) [L300] tmp___2 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___2)) [L308] tmp___1 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___1)) [L319] CALL timeShift() [L63] CALL __utac_acc__Specification5_spec__2() [L713] CALL, EXPR isPumpRunning() [L172] int retValue_acc ; [L175] retValue_acc = pumpRunning [L176] return (retValue_acc); [L713] RET, EXPR isPumpRunning() [L713] switchedOnBeforeTS = isPumpRunning() [L63] RET __utac_acc__Specification5_spec__2() [L65] COND TRUE \read(pumpRunning) [L67] CALL lowerWaterLevel() [L898] COND TRUE waterLevel > 0 [L899] waterLevel = waterLevel - 1 [L67] RET lowerWaterLevel() [L72] COND TRUE \read(systemActive) [L74] CALL processEnvironment() [L120] int tmp ; [L123] COND TRUE \read(pumpRunning) [L125] CALL, EXPR isMethaneAlarm() [L161] int retValue_acc ; [L165] CALL, EXPR isMethaneLevelCritical() [L931] int retValue_acc ; [L934] retValue_acc = methaneLevelCritical [L935] return (retValue_acc); [L165] RET, EXPR isMethaneLevelCritical() [L165] retValue_acc = isMethaneLevelCritical() [L167] return (retValue_acc); [L125] RET, EXPR isMethaneAlarm() [L125] tmp = isMethaneAlarm() [L127] COND TRUE \read(tmp) [L129] CALL deactivatePump() [L156] pumpRunning = 0 [L129] RET deactivatePump() [L74] RET processEnvironment() [L80] CALL __utac_acc__Specification5_spec__3() [L719] int tmp ; [L720] int tmp___0 ; [L724] CALL, EXPR getWaterLevel() [L963] int retValue_acc ; [L966] retValue_acc = waterLevel [L967] return (retValue_acc); [L724] RET, EXPR getWaterLevel() [L724] tmp = getWaterLevel() [L726] COND FALSE !(tmp != 2) [L80] RET __utac_acc__Specification5_spec__3() [L319] RET timeShift() [L272] COND TRUE 1 [L274] COND TRUE splverifierCounter < 4 [L280] tmp = __VERIFIER_nondet_int() [L282] COND TRUE \read(tmp) [L284] CALL waterRise() [L910] COND FALSE !(waterLevel < 2) [L284] RET waterRise() [L290] tmp___0 = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp___0)) [L300] tmp___2 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___2)) [L308] tmp___1 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___1)) [L319] CALL timeShift() [L63] CALL __utac_acc__Specification5_spec__2() [L713] CALL, EXPR isPumpRunning() [L172] int retValue_acc ; [L175] retValue_acc = pumpRunning [L176] return (retValue_acc); [L713] RET, EXPR isPumpRunning() [L713] switchedOnBeforeTS = isPumpRunning() [L63] RET __utac_acc__Specification5_spec__2() [L65] COND FALSE !(\read(pumpRunning)) [L72] COND TRUE \read(systemActive) [L74] CALL processEnvironment() [L120] int tmp ; [L123] COND FALSE !(\read(pumpRunning)) [L138] CALL processEnvironment__wrappee__highWaterSensor() [L94] int tmp ; [L97] COND TRUE ! pumpRunning [L99] CALL, EXPR isHighWaterLevel() [L217] int retValue_acc ; [L218] int tmp ; [L219] int tmp___0 ; [L223] CALL, EXPR isHighWaterSensorDry() [L972] int retValue_acc ; [L975] COND FALSE !(waterLevel < 2) [L979] retValue_acc = 0 [L980] return (retValue_acc); [L223] RET, EXPR isHighWaterSensorDry() [L223] tmp = isHighWaterSensorDry() [L225] COND FALSE !(\read(tmp)) [L228] tmp___0 = 1 [L230] retValue_acc = tmp___0 [L231] return (retValue_acc); [L99] RET, EXPR isHighWaterLevel() [L99] tmp = isHighWaterLevel() [L101] COND TRUE \read(tmp) [L103] CALL activatePump() [L148] pumpRunning = 1 [L103] RET activatePump() [L138] RET processEnvironment__wrappee__highWaterSensor() [L74] RET processEnvironment() [L80] CALL __utac_acc__Specification5_spec__3() [L719] int tmp ; [L720] int tmp___0 ; [L724] CALL, EXPR getWaterLevel() [L963] int retValue_acc ; [L966] retValue_acc = waterLevel [L967] return (retValue_acc); [L724] RET, EXPR getWaterLevel() [L724] tmp = getWaterLevel() [L726] COND TRUE tmp != 2 [L728] CALL, EXPR isPumpRunning() [L172] int retValue_acc ; [L175] retValue_acc = pumpRunning [L176] return (retValue_acc); [L728] RET, EXPR isPumpRunning() [L728] tmp___0 = isPumpRunning() [L730] COND TRUE \read(tmp___0) [L731] COND TRUE ! switchedOnBeforeTS [L733] CALL __automaton_fail() [L852] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 650 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 180.8s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 156.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3007 SDtfs, 10680 SDslu, 9728 SDs, 0 SdLazy, 30302 SolverSat, 6976 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1337 GetRequests, 467 SyntacticMatches, 8 SemanticMatches, 862 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218468 ImplicationChecksByTransitivity, 101.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4754occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 4353 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 incorrect! Received shutdown request...