/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_spec4_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 19:30:17,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 19:30:17,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 19:30:17,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 19:30:17,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 19:30:17,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 19:30:17,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 19:30:17,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 19:30:17,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 19:30:17,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 19:30:17,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 19:30:17,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 19:30:17,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 19:30:17,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 19:30:17,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 19:30:17,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 19:30:17,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 19:30:18,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 19:30:18,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 19:30:18,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 19:30:18,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 19:30:18,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 19:30:18,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 19:30:18,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 19:30:18,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 19:30:18,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 19:30:18,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 19:30:18,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 19:30:18,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 19:30:18,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 19:30:18,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 19:30:18,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 19:30:18,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 19:30:18,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 19:30:18,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 19:30:18,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 19:30:18,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 19:30:18,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 19:30:18,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 19:30:18,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 19:30:18,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 19:30:18,064 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 19:30:18,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 19:30:18,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 19:30:18,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 19:30:18,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 19:30:18,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 19:30:18,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 19:30:18,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 19:30:18,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 19:30:18,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 19:30:18,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 19:30:18,104 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 19:30:18,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 19:30:18,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 19:30:18,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 19:30:18,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 19:30:18,106 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 19:30:18,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 19:30:18,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 19:30:18,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 19:30:18,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 19:30:18,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 19:30:18,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 19:30:18,108 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 19:30:18,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 19:30:18,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 19:30:18,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 19:30:18,651 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 19:30:18,652 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 19:30:18,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2021-02-21 19:30:18,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4925782a/6b71a3368d2545c9b92caaf22d30aa6c/FLAGcb7b7efe2 [2021-02-21 19:30:19,611 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 19:30:19,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2021-02-21 19:30:19,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4925782a/6b71a3368d2545c9b92caaf22d30aa6c/FLAGcb7b7efe2 [2021-02-21 19:30:19,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4925782a/6b71a3368d2545c9b92caaf22d30aa6c [2021-02-21 19:30:19,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 19:30:19,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 19:30:19,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 19:30:19,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 19:30:19,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 19:30:19,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 07:30:19" (1/1) ... [2021-02-21 19:30:19,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9084bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:19, skipping insertion in model container [2021-02-21 19:30:19,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 07:30:19" (1/1) ... [2021-02-21 19:30:19,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 19:30:19,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 19:30:20,032 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_spec4_product37.cil.c[6374,6387] [2021-02-21 19:30:20,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 19:30:20,217 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 19:30:20,301 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_spec4_product37.cil.c[6374,6387] [2021-02-21 19:30:20,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 19:30:20,440 INFO L208 MainTranslator]: Completed translation [2021-02-21 19:30:20,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:20 WrapperNode [2021-02-21 19:30:20,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 19:30:20,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 19:30:20,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 19:30:20,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 19:30:20,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:20" (1/1) ... [2021-02-21 19:30:20,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:20" (1/1) ... [2021-02-21 19:30:20,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:20" (1/1) ... [2021-02-21 19:30:20,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:20" (1/1) ... [2021-02-21 19:30:20,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:20" (1/1) ... [2021-02-21 19:30:20,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:20" (1/1) ... [2021-02-21 19:30:20,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:20" (1/1) ... [2021-02-21 19:30:20,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 19:30:20,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 19:30:20,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 19:30:20,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 19:30:20,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:20" (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 19:30:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 19:30:20,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 19:30:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 19:30:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 19:30:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 19:30:20,787 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 19:30:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 19:30:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 19:30:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 19:30:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-21 19:30:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-21 19:30:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-21 19:30:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-21 19:30:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-21 19:30:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-21 19:30:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-21 19:30:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-21 19:30:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-21 19:30:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-21 19:30:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-21 19:30:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-21 19:30:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 19:30:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-21 19:30:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 19:30:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 19:30:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-21 19:30:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-21 19:30:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-21 19:30:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-21 19:30:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-21 19:30:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-21 19:30:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-21 19:30:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 19:30:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 19:30:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 19:30:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 19:30:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 19:30:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 19:30:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2021-02-21 19:30:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 19:30:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 19:30:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 19:30:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 19:30:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 19:30:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 19:30:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 19:30:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 19:30:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 19:30:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 19:30:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-21 19:30:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-21 19:30:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-21 19:30:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-21 19:30:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 19:30:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-21 19:30:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-21 19:30:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-21 19:30:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-21 19:30:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-21 19:30:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-21 19:30:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-21 19:30:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-21 19:30:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2021-02-21 19:30:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-21 19:30:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-21 19:30:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-21 19:30:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-21 19:30:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-21 19:30:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-21 19:30:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 19:30:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-21 19:30:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 19:30:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 19:30:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-21 19:30:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 19:30:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 19:30:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 19:30:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 19:30:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 19:30:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 19:30:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 19:30:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 19:30:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 19:30:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 19:30:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 19:30:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 19:30:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 19:30:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 19:30:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 19:30:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 19:30:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 19:30:20,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 19:30:22,305 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 19:30:22,306 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 19:30:22,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 07:30:22 BoogieIcfgContainer [2021-02-21 19:30:22,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 19:30:22,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 19:30:22,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 19:30:22,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 19:30:22,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 07:30:19" (1/3) ... [2021-02-21 19:30:22,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d056cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 07:30:22, skipping insertion in model container [2021-02-21 19:30:22,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:30:20" (2/3) ... [2021-02-21 19:30:22,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d056cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 07:30:22, skipping insertion in model container [2021-02-21 19:30:22,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 07:30:22" (3/3) ... [2021-02-21 19:30:22,320 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2021-02-21 19:30:22,327 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 19:30:22,334 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 19:30:22,354 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 19:30:22,381 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 19:30:22,381 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 19:30:22,381 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 19:30:22,382 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 19:30:22,382 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 19:30:22,382 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 19:30:22,382 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 19:30:22,382 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 19:30:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2021-02-21 19:30:22,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-21 19:30:22,431 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:30:22,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:30:22,433 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:30:22,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:30:22,440 INFO L82 PathProgramCache]: Analyzing trace with hash 723036768, now seen corresponding path program 1 times [2021-02-21 19:30:22,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:30:22,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791783214] [2021-02-21 19:30:22,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:30:22,532 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:30:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:22,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:22,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:22,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:22,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:23,312 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:30:23,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:30:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:23,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:23,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:23,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:30:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:23,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:23,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:23,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:30:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:23,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:23,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:23,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:30:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:23,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:23,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:23,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:30:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:23,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:23,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 19:30:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:23,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:23,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:23,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-21 19:30:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:23,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:23,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:23,554 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 19:30:23,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791783214] [2021-02-21 19:30:23,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:30:23,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-21 19:30:23,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813885939] [2021-02-21 19:30:23,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-21 19:30:23,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:30:23,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-21 19:30:23,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 19:30:23,585 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2021-02-21 19:30:25,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:30:25,391 INFO L93 Difference]: Finished difference Result 483 states and 572 transitions. [2021-02-21 19:30:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-21 19:30:25,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-02-21 19:30:25,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:30:25,427 INFO L225 Difference]: With dead ends: 483 [2021-02-21 19:30:25,427 INFO L226 Difference]: Without dead ends: 301 [2021-02-21 19:30:25,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 19:30:25,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-02-21 19:30:25,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 260. [2021-02-21 19:30:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2021-02-21 19:30:25,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 281 transitions. [2021-02-21 19:30:25,672 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 281 transitions. Word has length 147 [2021-02-21 19:30:25,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:30:25,674 INFO L480 AbstractCegarLoop]: Abstraction has 260 states and 281 transitions. [2021-02-21 19:30:25,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-21 19:30:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 281 transitions. [2021-02-21 19:30:25,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-02-21 19:30:25,685 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:30:25,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:30:25,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 19:30:25,686 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:30:25,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:30:25,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1053539070, now seen corresponding path program 1 times [2021-02-21 19:30:25,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:30:25,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081932715] [2021-02-21 19:30:25,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:30:25,692 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:30:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:25,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:25,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:25,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:25,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:25,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:25,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:26,139 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:30:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:30:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:26,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:26,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:26,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:30:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:26,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:26,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:26,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:30:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:26,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:26,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:26,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:30:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:26,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:26,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:26,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:30:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:26,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:26,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:26,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 19:30:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:26,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:26,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:26,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-21 19:30:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:26,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:26,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:26,251 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 19:30:26,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081932715] [2021-02-21 19:30:26,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:30:26,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 19:30:26,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110344703] [2021-02-21 19:30:26,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 19:30:26,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:30:26,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 19:30:26,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 19:30:26,255 INFO L87 Difference]: Start difference. First operand 260 states and 281 transitions. Second operand 4 states. [2021-02-21 19:30:27,152 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:30:28,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:30:28,367 INFO L93 Difference]: Finished difference Result 399 states and 446 transitions. [2021-02-21 19:30:28,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 19:30:28,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2021-02-21 19:30:28,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:30:28,374 INFO L225 Difference]: With dead ends: 399 [2021-02-21 19:30:28,375 INFO L226 Difference]: Without dead ends: 284 [2021-02-21 19:30:28,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-21 19:30:28,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-21 19:30:28,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 250. [2021-02-21 19:30:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-21 19:30:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 268 transitions. [2021-02-21 19:30:28,495 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 268 transitions. Word has length 148 [2021-02-21 19:30:28,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:30:28,495 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 268 transitions. [2021-02-21 19:30:28,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 19:30:28,496 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 268 transitions. [2021-02-21 19:30:28,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-02-21 19:30:28,498 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:30:28,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:30:28,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 19:30:28,499 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:30:28,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:30:28,500 INFO L82 PathProgramCache]: Analyzing trace with hash -172280109, now seen corresponding path program 1 times [2021-02-21 19:30:28,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:30:28,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571036686] [2021-02-21 19:30:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:30:28,505 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:30:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:28,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:28,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:28,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:28,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:28,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:28,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:28,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:28,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:30:28,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:28,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:29,031 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:30:29,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:30:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:29,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:29,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:29,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:29,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 19:30:29,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:30:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:29,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:29,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:29,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:30:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:29,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:29,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:29,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:30:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:29,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:29,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:29,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:29,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:30:29,215 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-21 19:30:29,217 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-21 19:30:29,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:30:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:29,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:29,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:29,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-21 19:30:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:29,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:29,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:29,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-02-21 19:30:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:29,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:29,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:29,355 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 19:30:29,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571036686] [2021-02-21 19:30:29,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:30:29,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 19:30:29,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798674708] [2021-02-21 19:30:29,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 19:30:29,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:30:29,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 19:30:29,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-21 19:30:29,360 INFO L87 Difference]: Start difference. First operand 250 states and 268 transitions. Second operand 9 states. [2021-02-21 19:30:30,201 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 19:30:30,698 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:30:31,097 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:30:31,468 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:30:31,879 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:30:32,285 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:30:34,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:30:34,018 INFO L93 Difference]: Finished difference Result 419 states and 471 transitions. [2021-02-21 19:30:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 19:30:34,019 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2021-02-21 19:30:34,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:30:34,024 INFO L225 Difference]: With dead ends: 419 [2021-02-21 19:30:34,024 INFO L226 Difference]: Without dead ends: 284 [2021-02-21 19:30:34,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-02-21 19:30:34,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-21 19:30:34,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 250. [2021-02-21 19:30:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-21 19:30:34,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 267 transitions. [2021-02-21 19:30:34,145 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 267 transitions. Word has length 157 [2021-02-21 19:30:34,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:30:34,146 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 267 transitions. [2021-02-21 19:30:34,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 19:30:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 267 transitions. [2021-02-21 19:30:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-02-21 19:30:34,149 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:30:34,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:30:34,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 19:30:34,149 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:30:34,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:30:34,150 INFO L82 PathProgramCache]: Analyzing trace with hash -518504920, now seen corresponding path program 1 times [2021-02-21 19:30:34,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:30:34,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075428680] [2021-02-21 19:30:34,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:30:34,154 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:30:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:34,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:34,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:34,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:34,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:34,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,546 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:30:34,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:30:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:34,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:30:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:30:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:30:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:30:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-02-21 19:30:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:34,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:34,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:30:34,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 19:30:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-21 19:30:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:34,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:34,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:34,732 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 19:30:34,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075428680] [2021-02-21 19:30:34,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:30:34,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 19:30:34,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008357026] [2021-02-21 19:30:34,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 19:30:34,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:30:34,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 19:30:34,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-21 19:30:34,735 INFO L87 Difference]: Start difference. First operand 250 states and 267 transitions. Second operand 6 states. [2021-02-21 19:30:35,479 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 19:30:37,253 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:30:38,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:30:38,116 INFO L93 Difference]: Finished difference Result 550 states and 626 transitions. [2021-02-21 19:30:38,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 19:30:38,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2021-02-21 19:30:38,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:30:38,127 INFO L225 Difference]: With dead ends: 550 [2021-02-21 19:30:38,128 INFO L226 Difference]: Without dead ends: 415 [2021-02-21 19:30:38,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-02-21 19:30:38,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2021-02-21 19:30:38,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 356. [2021-02-21 19:30:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2021-02-21 19:30:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 382 transitions. [2021-02-21 19:30:38,324 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 382 transitions. Word has length 170 [2021-02-21 19:30:38,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:30:38,325 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 382 transitions. [2021-02-21 19:30:38,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 19:30:38,325 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 382 transitions. [2021-02-21 19:30:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-02-21 19:30:38,328 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:30:38,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:30:38,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 19:30:38,329 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:30:38,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:30:38,330 INFO L82 PathProgramCache]: Analyzing trace with hash -248296200, now seen corresponding path program 1 times [2021-02-21 19:30:38,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:30:38,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894702671] [2021-02-21 19:30:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:30:38,334 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:30:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:38,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:38,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:38,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:38,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:30:38,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:30:38,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:30:38,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:30:38,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:30:38,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:30:38,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,779 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:30:38,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:30:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 19:30:38,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:30:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:30:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:30:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:30:38,871 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-21 19:30:38,872 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-21 19:30:38,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:30:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-02-21 19:30:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:30:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:30:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-02-21 19:30:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:38,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:38,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:38,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-02-21 19:30:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:38,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:38,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:39,051 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 19:30:39,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894702671] [2021-02-21 19:30:39,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:30:39,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-21 19:30:39,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146361381] [2021-02-21 19:30:39,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-21 19:30:39,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:30:39,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-21 19:30:39,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2021-02-21 19:30:39,055 INFO L87 Difference]: Start difference. First operand 356 states and 382 transitions. Second operand 14 states. [2021-02-21 19:30:39,718 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 19:30:40,219 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:30:40,633 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:30:41,042 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:30:41,457 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:30:41,840 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:30:42,658 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:30:44,164 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:30:44,550 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:30:44,955 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:30:45,358 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:30:45,755 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:30:46,152 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:30:46,553 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:30:46,981 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:30:47,407 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:30:47,809 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:30:49,767 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 19:30:50,179 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:30:50,703 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:30:51,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:30:51,667 INFO L93 Difference]: Finished difference Result 1045 states and 1244 transitions. [2021-02-21 19:30:51,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-21 19:30:51,668 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 194 [2021-02-21 19:30:51,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:30:51,680 INFO L225 Difference]: With dead ends: 1045 [2021-02-21 19:30:51,680 INFO L226 Difference]: Without dead ends: 804 [2021-02-21 19:30:51,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2021-02-21 19:30:51,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2021-02-21 19:30:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 707. [2021-02-21 19:30:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2021-02-21 19:30:52,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 786 transitions. [2021-02-21 19:30:52,027 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 786 transitions. Word has length 194 [2021-02-21 19:30:52,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:30:52,028 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 786 transitions. [2021-02-21 19:30:52,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-21 19:30:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 786 transitions. [2021-02-21 19:30:52,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-02-21 19:30:52,042 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:30:52,043 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-21 19:30:52,044 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 19:30:52,044 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:30:52,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:30:52,045 INFO L82 PathProgramCache]: Analyzing trace with hash 197315743, now seen corresponding path program 1 times [2021-02-21 19:30:52,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:30:52,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655080275] [2021-02-21 19:30:52,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:30:52,121 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 19:30:52,123 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:30:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,550 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:30:52,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:30:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:30:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:30:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:30:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:30:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-02-21 19:30:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 19:30:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:52,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:52,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:30:52,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:30:52,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:30:52,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:30:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:30:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-21 19:30:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-02-21 19:30:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-02-21 19:30:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-02-21 19:30:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 19:30:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 19:30:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-02-21 19:30:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-02-21 19:30:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:52,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:52,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:52,949 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 19:30:52,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655080275] [2021-02-21 19:30:52,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:30:52,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 19:30:52,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126922605] [2021-02-21 19:30:52,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 19:30:52,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:30:52,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 19:30:52,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-02-21 19:30:52,953 INFO L87 Difference]: Start difference. First operand 707 states and 786 transitions. Second operand 11 states. [2021-02-21 19:30:54,387 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:30:54,800 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:30:55,243 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:30:55,656 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:30:56,053 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:30:56,420 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:30:57,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:30:57,762 INFO L93 Difference]: Finished difference Result 1409 states and 1627 transitions. [2021-02-21 19:30:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 19:30:57,763 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 270 [2021-02-21 19:30:57,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:30:57,769 INFO L225 Difference]: With dead ends: 1409 [2021-02-21 19:30:57,770 INFO L226 Difference]: Without dead ends: 817 [2021-02-21 19:30:57,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-02-21 19:30:57,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2021-02-21 19:30:58,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 734. [2021-02-21 19:30:58,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2021-02-21 19:30:58,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 815 transitions. [2021-02-21 19:30:58,066 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 815 transitions. Word has length 270 [2021-02-21 19:30:58,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:30:58,066 INFO L480 AbstractCegarLoop]: Abstraction has 734 states and 815 transitions. [2021-02-21 19:30:58,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 19:30:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 815 transitions. [2021-02-21 19:30:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-02-21 19:30:58,073 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:30:58,074 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-21 19:30:58,074 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 19:30:58,074 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:30:58,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:30:58,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1347584063, now seen corresponding path program 1 times [2021-02-21 19:30:58,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:30:58,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028792726] [2021-02-21 19:30:58,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:30:58,096 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 19:30:58,099 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:30:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:58,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:58,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,529 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:30:58,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:30:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:30:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:30:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:30:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:30:58,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:30:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:30:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-02-21 19:30:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 19:30:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:58,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:58,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:30:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:58,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:30:58,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:30:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-21 19:30:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-02-21 19:30:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-02-21 19:30:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-02-21 19:30:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:30:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 19:30:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 19:30:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-02-21 19:30:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-02-21 19:30:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:30:58,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:30:58,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:30:58,914 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 19:30:58,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028792726] [2021-02-21 19:30:58,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:30:58,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-21 19:30:58,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890756212] [2021-02-21 19:30:58,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-21 19:30:58,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:30:58,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-21 19:30:58,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-02-21 19:30:58,917 INFO L87 Difference]: Start difference. First operand 734 states and 815 transitions. Second operand 14 states. [2021-02-21 19:30:59,723 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:31:00,144 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:31:00,546 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:31:00,937 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:31:01,328 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:31:02,297 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:31:02,689 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:31:03,109 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:31:03,523 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:31:03,914 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:31:05,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:31:05,538 INFO L93 Difference]: Finished difference Result 1315 states and 1517 transitions. [2021-02-21 19:31:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-21 19:31:05,539 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 270 [2021-02-21 19:31:05,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:31:05,544 INFO L225 Difference]: With dead ends: 1315 [2021-02-21 19:31:05,544 INFO L226 Difference]: Without dead ends: 696 [2021-02-21 19:31:05,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2021-02-21 19:31:05,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-02-21 19:31:05,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 634. [2021-02-21 19:31:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2021-02-21 19:31:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 697 transitions. [2021-02-21 19:31:05,951 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 697 transitions. Word has length 270 [2021-02-21 19:31:05,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:31:05,952 INFO L480 AbstractCegarLoop]: Abstraction has 634 states and 697 transitions. [2021-02-21 19:31:05,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-21 19:31:05,952 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 697 transitions. [2021-02-21 19:31:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-02-21 19:31:05,961 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:31:05,961 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-21 19:31:05,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 19:31:05,962 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:31:05,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:31:05,962 INFO L82 PathProgramCache]: Analyzing trace with hash -969287198, now seen corresponding path program 1 times [2021-02-21 19:31:05,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:31:05,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508531478] [2021-02-21 19:31:05,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:31:06,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:06,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:06,307 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-21 19:31:06,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:06,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-21 19:31:06,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:06,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:06,538 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-21 19:31:06,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:06,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-21 19:31:06,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:06,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:06,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:06,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:06,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:06,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:06,843 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-21 19:31:06,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:06,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-02-21 19:31:06,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:06,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:07,096 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-21 19:31:07,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:07,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-02-21 19:31:07,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:07,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:07,307 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-21 19:31:07,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:07,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-02-21 19:31:07,537 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-21 19:31:07,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:07,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-02-21 19:31:07,768 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-21 19:31:07,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:07,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-02-21 19:31:08,011 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-21 19:31:08,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-02-21 19:31:08,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,038 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-21 19:31:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:08,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:08,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:08,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:08,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,538 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:31:08,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:31:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:31:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:31:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:31:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:31:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-21 19:31:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-21 19:31:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:08,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:31:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:08,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:31:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:31:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:31:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-02-21 19:31:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-02-21 19:31:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:31:08,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:08,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:08,727 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 19:31:08,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:08,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:31:08,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:31:08,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:08,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:31:08,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-02-21 19:31:08,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:31:08,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:31:08,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:08,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:08,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:31:08,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-02-21 19:31:08,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:31:08,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:31:08,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:31:08,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-02-21 19:31:08,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:31:08,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:31:08,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:31:08,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:08,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:08,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-02-21 19:31:08,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:08,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:08,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:08,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 19:31:08,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:08,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:31:09,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:31:09,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:09,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:31:09,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:09,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:09,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:31:09,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:31:09,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:31:09,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 19:31:09,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:31:09,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:09,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:31:09,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:09,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:31:09,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:31:09,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:31:09,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 19:31:09,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:31:09,308 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-21 19:31:09,308 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-21 19:31:09,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 19:31:09,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 19:31:09,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:31:09,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:31:09,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:09,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:31:09,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-21 19:31:09,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:31:09,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:31:09,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:09,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:31:09,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 19:31:09,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:09,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:31:09,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-21 19:31:09,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:09,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:31:09,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 19:31:09,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:09,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:31:09,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 19:31:09,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:09,856 WARN L141 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-02-21 19:31:09,856 WARN L147 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size 29 [2021-02-21 19:31:09,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-21 19:31:09,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:09,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-21 19:31:10,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-21 19:31:10,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:31:10,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:31:10,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-02-21 19:31:10,149 WARN L141 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-02-21 19:31:10,153 WARN L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-02-21 19:31:10,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:31:10,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 19:31:10,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:31:10,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:31:10,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:31:10,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:10,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:31:10,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-21 19:31:10,512 WARN L141 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-02-21 19:31:10,513 WARN L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-02-21 19:31:10,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:31:10,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 19:31:10,619 WARN L141 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-02-21 19:31:10,620 WARN L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-02-21 19:31:10,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-21 19:31:10,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:31:10,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 19:31:10,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:31:10,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 19:31:10,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:10,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 19:31:10,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:10,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 19:31:10,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:10,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:10,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:10,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:10,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:10,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:10,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:10,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:31:10,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:31:10,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:31:10,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-21 19:31:10,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:10,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 19:31:11,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:11,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:31:11,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:11,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 19:31:11,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:11,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 19:31:11,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:11,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:31:11,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:11,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 19:31:11,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:11,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:31:11,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:11,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 19:31:11,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:11,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:11,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508531478] [2021-02-21 19:31:11,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:31:11,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-02-21 19:31:11,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385248793] [2021-02-21 19:31:11,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-21 19:31:11,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:31:11,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-21 19:31:11,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=2300, Unknown=0, NotChecked=0, Total=2550 [2021-02-21 19:31:11,222 INFO L87 Difference]: Start difference. First operand 634 states and 697 transitions. Second operand 47 states. [2021-02-21 19:31:12,005 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:31:12,841 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:31:13,321 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:31:13,781 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:31:14,240 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:31:14,710 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:31:15,241 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:31:15,704 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:31:16,181 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:31:16,676 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:31:17,169 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:31:17,714 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:31:18,292 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:31:18,895 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:31:19,482 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:31:20,132 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:31:20,812 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:31:21,935 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 19:31:22,462 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:31:23,000 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-21 19:31:23,623 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:31:24,197 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-21 19:31:24,739 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:31:25,341 WARN L202 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:31:25,901 WARN L202 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-21 19:31:26,469 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-02-21 19:31:27,086 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:31:27,655 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:31:28,204 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:31:28,746 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:31:29,654 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:31:30,189 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 19:31:30,611 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:31:31,058 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:31:31,573 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:31:32,096 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:31:32,641 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:31:33,080 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:31:33,745 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-02-21 19:31:34,332 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-21 19:31:35,094 WARN L202 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-21 19:31:35,717 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-02-21 19:31:37,106 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:31:38,353 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:31:39,085 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:31:40,631 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:31:41,604 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:31:43,371 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:31:43,879 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:31:44,337 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:31:44,853 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:31:45,374 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:31:45,821 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:31:46,277 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:31:47,213 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:31:50,775 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:31:51,344 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:31:51,948 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:31:52,532 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:31:56,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:31:56,578 INFO L93 Difference]: Finished difference Result 1876 states and 2325 transitions. [2021-02-21 19:31:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2021-02-21 19:31:56,578 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 276 [2021-02-21 19:31:56,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:31:56,594 INFO L225 Difference]: With dead ends: 1876 [2021-02-21 19:31:56,594 INFO L226 Difference]: Without dead ends: 1443 [2021-02-21 19:31:56,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 122 SyntacticMatches, 6 SemanticMatches, 259 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28021 ImplicationChecksByTransitivity, 37.4s TimeCoverageRelationStatistics Valid=5788, Invalid=62072, Unknown=0, NotChecked=0, Total=67860 [2021-02-21 19:31:56,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2021-02-21 19:31:57,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 843. [2021-02-21 19:31:57,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2021-02-21 19:31:57,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 956 transitions. [2021-02-21 19:31:57,170 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 956 transitions. Word has length 276 [2021-02-21 19:31:57,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:31:57,171 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 956 transitions. [2021-02-21 19:31:57,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 47 states. [2021-02-21 19:31:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 956 transitions. [2021-02-21 19:31:57,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-02-21 19:31:57,176 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:31:57,176 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-21 19:31:57,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 19:31:57,177 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:31:57,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:31:57,177 INFO L82 PathProgramCache]: Analyzing trace with hash 708390630, now seen corresponding path program 1 times [2021-02-21 19:31:57,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:31:57,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079937222] [2021-02-21 19:31:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:31:57,424 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-21 19:31:57,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:57,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-02-21 19:31:57,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:57,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:57,660 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-21 19:31:57,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:57,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-02-21 19:31:57,888 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-21 19:31:57,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:57,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-02-21 19:31:58,119 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-21 19:31:58,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:58,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-02-21 19:31:58,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:58,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:58,371 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-21 19:31:58,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:58,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-21 19:31:58,600 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-02-21 19:31:58,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:58,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-02-21 19:31:58,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:58,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:58,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:58,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:58,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:58,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:58,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:58,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:58,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:58,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:58,895 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-21 19:31:58,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:58,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-02-21 19:31:59,125 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-02-21 19:31:59,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:59,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-02-21 19:31:59,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:31:59,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:31:59,148 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-21 19:31:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 19:31:59,370 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 19:31:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 19:31:59,531 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 19:31:59,822 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-21 19:31:59,822 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-21 19:31:59,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 19:31:59,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 07:31:59 BoogieIcfgContainer [2021-02-21 19:31:59,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 19:31:59,857 INFO L168 Benchmark]: Toolchain (without parser) took 100197.94 ms. Allocated memory was 151.0 MB in the beginning and 664.8 MB in the end (delta: 513.8 MB). Free memory was 127.1 MB in the beginning and 367.0 MB in the end (delta: -239.9 MB). Peak memory consumption was 274.8 MB. Max. memory is 8.0 GB. [2021-02-21 19:31:59,857 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 19:31:59,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.29 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 105.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-21 19:31:59,858 INFO L168 Benchmark]: Boogie Preprocessor took 193.58 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 132.2 MB in the end (delta: -27.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-21 19:31:59,858 INFO L168 Benchmark]: RCFGBuilder took 1672.43 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 76.3 MB in the end (delta: 55.9 MB). Peak memory consumption was 57.5 MB. Max. memory is 8.0 GB. [2021-02-21 19:31:59,858 INFO L168 Benchmark]: TraceAbstraction took 97545.63 ms. Allocated memory was 151.0 MB in the beginning and 664.8 MB in the end (delta: 513.8 MB). Free memory was 75.8 MB in the beginning and 367.0 MB in the end (delta: -291.3 MB). Peak memory consumption was 222.5 MB. Max. memory is 8.0 GB. [2021-02-21 19:31:59,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 769.29 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 105.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 193.58 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 132.2 MB in the end (delta: -27.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1672.43 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 76.3 MB in the end (delta: 55.9 MB). Peak memory consumption was 57.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 97545.63 ms. Allocated memory was 151.0 MB in the beginning and 664.8 MB in the end (delta: 513.8 MB). Free memory was 75.8 MB in the beginning and 367.0 MB in the end (delta: -291.3 MB). Peak memory consumption was 222.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 436]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L336] int cleanupTimeShifts = 4; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L705] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L409] int retValue_acc ; [L410] int tmp ; [L414] FCALL select_helpers() [L415] FCALL select_features() [L416] CALL, EXPR valid_product() [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L416] RET, EXPR valid_product() [L416] tmp = valid_product() [L418] COND TRUE \read(tmp) [L420] FCALL setup() [L421] CALL runTest() [L403] CALL test() [L85] int splverifierCounter ; [L86] int tmp ; [L87] int tmp___0 ; [L88] int tmp___1 ; [L89] int tmp___2 ; [L92] splverifierCounter = 0 [L94] COND TRUE 1 [L96] COND TRUE splverifierCounter < 4 [L102] tmp = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp) [L106] CALL waterRise() [L460] COND TRUE waterLevel < 2 [L461] waterLevel = waterLevel + 1 [L106] RET waterRise() [L112] tmp___0 = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp___0)) [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND TRUE \read(tmp___2) [L137] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L220] int tmp ; [L223] COND FALSE !(\read(pumpRunning)) [L238] CALL processEnvironment__wrappee__highWaterSensor() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L317] int retValue_acc ; [L318] int tmp ; [L319] int tmp___0 ; [L323] CALL, EXPR isHighWaterSensorDry() [L522] int retValue_acc ; [L525] COND FALSE !(waterLevel < 2) [L529] retValue_acc = 0 [L530] return (retValue_acc); [L323] RET, EXPR isHighWaterSensorDry() [L323] tmp = isHighWaterSensorDry() [L325] COND FALSE !(\read(tmp)) [L328] tmp___0 = 1 [L330] retValue_acc = tmp___0 [L331] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND TRUE \read(tmp) [L203] CALL activatePump() [L248] pumpRunning = 1 [L203] RET activatePump() [L238] RET processEnvironment__wrappee__highWaterSensor() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L903] int tmp ; [L904] int tmp___0 ; [L908] CALL, EXPR getWaterLevel() [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L908] RET, EXPR getWaterLevel() [L908] tmp = getWaterLevel() [L910] COND FALSE !(tmp == 0) [L180] RET __utac_acc__Specification4_spec__1() [L137] RET timeShift() [L94] COND TRUE 1 [L96] COND TRUE splverifierCounter < 4 [L102] tmp = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp)) [L112] tmp___0 = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp___0)) [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND TRUE \read(tmp___2) [L137] CALL timeShift() [L165] COND TRUE \read(pumpRunning) [L167] CALL lowerWaterLevel() [L448] COND TRUE waterLevel > 0 [L449] waterLevel = waterLevel - 1 [L167] RET lowerWaterLevel() [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L220] int tmp ; [L223] COND TRUE \read(pumpRunning) [L225] CALL, EXPR isMethaneAlarm() [L261] int retValue_acc ; [L265] CALL, EXPR isMethaneLevelCritical() [L481] int retValue_acc ; [L484] retValue_acc = methaneLevelCritical [L485] return (retValue_acc); [L265] RET, EXPR isMethaneLevelCritical() [L265] retValue_acc = isMethaneLevelCritical() [L267] return (retValue_acc); [L225] RET, EXPR isMethaneAlarm() [L225] tmp = isMethaneAlarm() [L227] COND FALSE !(\read(tmp)) [L233] CALL processEnvironment__wrappee__highWaterSensor() [L194] int tmp ; [L197] COND FALSE !(! pumpRunning) [L212] FCALL processEnvironment__wrappee__base() [L233] RET processEnvironment__wrappee__highWaterSensor() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L903] int tmp ; [L904] int tmp___0 ; [L908] CALL, EXPR getWaterLevel() [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L908] RET, EXPR getWaterLevel() [L908] tmp = getWaterLevel() [L910] COND TRUE tmp == 0 [L912] CALL, EXPR isPumpRunning() [L272] int retValue_acc ; [L275] retValue_acc = pumpRunning [L276] return (retValue_acc); [L912] RET, EXPR isPumpRunning() [L912] tmp___0 = isPumpRunning() [L914] COND TRUE \read(tmp___0) [L916] CALL __automaton_fail() [L436] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 627 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 97.4s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 81.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1976 SDtfs, 5092 SDslu, 5718 SDs, 0 SdLazy, 13621 SolverSat, 2132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 681 GetRequests, 318 SyntacticMatches, 7 SemanticMatches, 356 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28365 ImplicationChecksByTransitivity, 57.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=843occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1010 StatesRemovedByMinimization, 8 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...