/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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 19:44:51,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 19:44:51,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 19:44:51,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 19:44:51,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 19:44:51,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 19:44:51,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 19:44:51,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 19:44:51,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 19:44:51,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 19:44:51,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 19:44:51,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 19:44:51,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 19:44:51,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 19:44:51,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 19:44:51,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 19:44:51,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 19:44:51,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 19:44:51,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 19:44:51,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 19:44:51,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 19:44:51,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 19:44:51,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 19:44:51,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 19:44:51,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 19:44:51,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 19:44:51,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 19:44:51,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 19:44:51,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 19:44:51,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 19:44:51,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 19:44:51,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 19:44:51,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 19:44:51,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 19:44:51,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 19:44:51,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 19:44:51,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 19:44:51,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 19:44:51,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 19:44:51,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 19:44:51,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 19:44:51,561 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 19:44:51,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 19:44:51,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 19:44:51,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 19:44:51,594 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 19:44:51,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 19:44:51,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 19:44:51,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 19:44:51,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 19:44:51,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 19:44:51,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 19:44:51,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 19:44:51,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 19:44:51,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 19:44:51,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 19:44:51,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 19:44:51,598 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 19:44:51,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 19:44:51,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 19:44:51,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 19:44:51,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 19:44:51,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 19:44:51,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 19:44:51,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 19:44:52,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 19:44:52,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 19:44:52,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 19:44:52,039 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 19:44:52,040 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 19:44:52,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2021-02-21 19:44:52,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80eb75d11/4c049758755c461a937ec941cc1f9579/FLAGfacbaadd5 [2021-02-21 19:44:52,807 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 19:44:52,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2021-02-21 19:44:52,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80eb75d11/4c049758755c461a937ec941cc1f9579/FLAGfacbaadd5 [2021-02-21 19:44:53,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80eb75d11/4c049758755c461a937ec941cc1f9579 [2021-02-21 19:44:53,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 19:44:53,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 19:44:53,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 19:44:53,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 19:44:53,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 19:44:53,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 07:44:53" (1/1) ... [2021-02-21 19:44:53,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769ebbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53, skipping insertion in model container [2021-02-21 19:44:53,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 07:44:53" (1/1) ... [2021-02-21 19:44:53,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 19:44:53,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 19:44:53,350 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_product62.cil.c[1281,1294] [2021-02-21 19:44:53,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 19:44:53,587 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 19:44:53,603 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_product62.cil.c[1281,1294] [2021-02-21 19:44:53,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 19:44:53,717 INFO L208 MainTranslator]: Completed translation [2021-02-21 19:44:53,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53 WrapperNode [2021-02-21 19:44:53,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 19:44:53,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 19:44:53,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 19:44:53,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 19:44:53,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53" (1/1) ... [2021-02-21 19:44:53,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53" (1/1) ... [2021-02-21 19:44:53,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53" (1/1) ... [2021-02-21 19:44:53,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53" (1/1) ... [2021-02-21 19:44:53,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53" (1/1) ... [2021-02-21 19:44:53,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53" (1/1) ... [2021-02-21 19:44:53,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53" (1/1) ... [2021-02-21 19:44:53,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 19:44:53,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 19:44:53,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 19:44:53,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 19:44:53,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53" (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 19:44:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 19:44:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 19:44:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 19:44:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 19:44:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 19:44:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 19:44:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-21 19:44:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-21 19:44:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-21 19:44:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-21 19:44:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-21 19:44:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-21 19:44:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-21 19:44:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-21 19:44:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-21 19:44:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-21 19:44:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-21 19:44:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-21 19:44:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-21 19:44:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-21 19:44:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2021-02-21 19:44:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 19:44:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 19:44:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 19:44:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 19:44:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-21 19:44:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-21 19:44:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 19:44:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-21 19:44:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 19:44:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 19:44:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 19:44:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 19:44:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 19:44:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 19:44:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 19:44:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-21 19:44:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-21 19:44:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-21 19:44:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-21 19:44:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-21 19:44:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-21 19:44:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-21 19:44:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-21 19:44:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 19:44:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 19:44:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 19:44:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 19:44:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 19:44:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 19:44:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 19:44:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-21 19:44:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-21 19:44:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-21 19:44:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-21 19:44:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-21 19:44:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 19:44:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-21 19:44:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-21 19:44:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-21 19:44:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-21 19:44:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-21 19:44:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-21 19:44:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-21 19:44:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-21 19:44:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-21 19:44:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2021-02-21 19:44:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-21 19:44:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-21 19:44:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-21 19:44:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-21 19:44:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-21 19:44:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-21 19:44:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-21 19:44:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-21 19:44:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-21 19:44:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 19:44:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 19:44:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 19:44:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 19:44:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-21 19:44:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 19:44:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-21 19:44:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 19:44:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 19:44:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 19:44:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 19:44:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 19:44:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 19:44:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 19:44:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 19:44:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 19:44:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 19:44:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 19:44:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 19:44:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 19:44:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 19:44:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 19:44:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 19:44:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 19:44:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 19:44:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 19:44:55,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 19:44:55,421 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 19:44:55,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 07:44:55 BoogieIcfgContainer [2021-02-21 19:44:55,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 19:44:55,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 19:44:55,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 19:44:55,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 19:44:55,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 07:44:53" (1/3) ... [2021-02-21 19:44:55,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20431b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 07:44:55, skipping insertion in model container [2021-02-21 19:44:55,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 07:44:53" (2/3) ... [2021-02-21 19:44:55,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20431b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 07:44:55, skipping insertion in model container [2021-02-21 19:44:55,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 07:44:55" (3/3) ... [2021-02-21 19:44:55,435 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2021-02-21 19:44:55,442 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 19:44:55,484 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 19:44:55,505 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 19:44:55,531 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 19:44:55,531 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 19:44:55,531 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 19:44:55,531 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 19:44:55,531 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 19:44:55,531 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 19:44:55,532 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 19:44:55,532 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 19:44:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states. [2021-02-21 19:44:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-21 19:44:55,580 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:44:55,581 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 19:44:55,581 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:44:55,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:44:55,589 INFO L82 PathProgramCache]: Analyzing trace with hash 471625997, now seen corresponding path program 1 times [2021-02-21 19:44:55,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:44:55,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32010327] [2021-02-21 19:44:55,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:44:55,686 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:44:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:56,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:56,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:56,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:56,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:56,486 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:44:56,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:44:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:56,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:56,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:56,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:44:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:56,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:56,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:56,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:44:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:56,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:56,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:56,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:44:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:56,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:56,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:56,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:44:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:56,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:56,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:56,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 19:44:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:56,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:56,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:56,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-21 19:44:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:56,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:56,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:56,671 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 19:44:56,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32010327] [2021-02-21 19:44:56,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:44:56,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-21 19:44:56,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052971064] [2021-02-21 19:44:56,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-21 19:44:56,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:44:56,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-21 19:44:56,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 19:44:56,704 INFO L87 Difference]: Start difference. First operand 356 states. Second operand 3 states. [2021-02-21 19:44:59,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:44:59,027 INFO L93 Difference]: Finished difference Result 576 states and 681 transitions. [2021-02-21 19:44:59,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-21 19:44:59,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-02-21 19:44:59,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:44:59,050 INFO L225 Difference]: With dead ends: 576 [2021-02-21 19:44:59,050 INFO L226 Difference]: Without dead ends: 350 [2021-02-21 19:44:59,056 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 19:44:59,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-02-21 19:44:59,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 304. [2021-02-21 19:44:59,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2021-02-21 19:44:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 332 transitions. [2021-02-21 19:44:59,291 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 332 transitions. Word has length 147 [2021-02-21 19:44:59,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:44:59,292 INFO L480 AbstractCegarLoop]: Abstraction has 304 states and 332 transitions. [2021-02-21 19:44:59,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-21 19:44:59,292 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 332 transitions. [2021-02-21 19:44:59,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-02-21 19:44:59,298 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:44:59,298 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 19:44:59,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 19:44:59,299 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:44:59,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:44:59,299 INFO L82 PathProgramCache]: Analyzing trace with hash -912072959, now seen corresponding path program 1 times [2021-02-21 19:44:59,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:44:59,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821772185] [2021-02-21 19:44:59,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:44:59,305 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:44:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:59,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:59,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:59,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:59,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:44:59,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:59,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:59,772 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:44:59,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:44:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:59,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:59,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:59,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:44:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:59,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:59,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:59,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:44:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:59,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:59,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:59,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:44:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:59,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:59,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:59,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:44:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:59,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:59,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:59,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 19:44:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:59,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:59,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:59,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-21 19:44:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:44:59,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:44:59,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:44:59,893 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 19:44:59,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821772185] [2021-02-21 19:44:59,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:44:59,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 19:44:59,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304701874] [2021-02-21 19:44:59,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 19:44:59,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:44:59,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 19:44:59,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 19:44:59,897 INFO L87 Difference]: Start difference. First operand 304 states and 332 transitions. Second operand 4 states. [2021-02-21 19:45:00,653 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:45:02,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:45:02,171 INFO L93 Difference]: Finished difference Result 488 states and 551 transitions. [2021-02-21 19:45:02,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 19:45:02,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2021-02-21 19:45:02,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:45:02,178 INFO L225 Difference]: With dead ends: 488 [2021-02-21 19:45:02,178 INFO L226 Difference]: Without dead ends: 333 [2021-02-21 19:45:02,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-21 19:45:02,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-02-21 19:45:02,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 294. [2021-02-21 19:45:02,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2021-02-21 19:45:02,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 319 transitions. [2021-02-21 19:45:02,324 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 319 transitions. Word has length 148 [2021-02-21 19:45:02,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:45:02,325 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 319 transitions. [2021-02-21 19:45:02,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 19:45:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 319 transitions. [2021-02-21 19:45:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-02-21 19:45:02,328 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:45:02,328 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] [2021-02-21 19:45:02,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 19:45:02,329 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:45:02,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:45:02,329 INFO L82 PathProgramCache]: Analyzing trace with hash 283390665, now seen corresponding path program 1 times [2021-02-21 19:45:02,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:45:02,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323738358] [2021-02-21 19:45:02,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:45:02,334 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:45:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:02,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:02,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:02,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:02,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:02,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:45:02,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:02,777 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:45:02,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:45:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:02,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:02,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:45:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:02,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:02,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:45:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:02,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:02,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:45:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:02,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:02,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:02,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:02,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:45:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:02,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:02,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-21 19:45:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:02,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:02,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 19:45:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:02,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:02,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-21 19:45:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:02,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:02,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:02,984 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 19:45:02,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323738358] [2021-02-21 19:45:02,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:45:02,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 19:45:02,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230030028] [2021-02-21 19:45:02,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 19:45:02,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:45:02,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 19:45:02,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-21 19:45:02,997 INFO L87 Difference]: Start difference. First operand 294 states and 319 transitions. Second operand 10 states. [2021-02-21 19:45:03,714 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 19:45:04,150 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:45:04,570 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:45:04,982 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:45:05,365 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:45:05,792 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:45:08,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:45:08,045 INFO L93 Difference]: Finished difference Result 534 states and 613 transitions. [2021-02-21 19:45:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 19:45:08,046 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2021-02-21 19:45:08,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:45:08,055 INFO L225 Difference]: With dead ends: 534 [2021-02-21 19:45:08,055 INFO L226 Difference]: Without dead ends: 355 [2021-02-21 19:45:08,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-02-21 19:45:08,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-02-21 19:45:08,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 294. [2021-02-21 19:45:08,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2021-02-21 19:45:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 318 transitions. [2021-02-21 19:45:08,208 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 318 transitions. Word has length 161 [2021-02-21 19:45:08,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:45:08,209 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 318 transitions. [2021-02-21 19:45:08,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 19:45:08,209 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 318 transitions. [2021-02-21 19:45:08,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-21 19:45:08,213 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:45:08,213 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] [2021-02-21 19:45:08,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 19:45:08,214 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:45:08,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:45:08,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1906958088, now seen corresponding path program 1 times [2021-02-21 19:45:08,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:45:08,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571620011] [2021-02-21 19:45:08,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:45:08,218 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:45:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:08,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:08,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:08,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:08,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:08,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,610 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:45:08,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:45:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:08,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:45:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:45:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:45:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:45:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-21 19:45:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-21 19:45:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:08,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:08,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:08,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:45:08,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-21 19:45:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-21 19:45:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:08,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:08,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:08,843 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 19:45:08,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571620011] [2021-02-21 19:45:08,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:45:08,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 19:45:08,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725853447] [2021-02-21 19:45:08,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 19:45:08,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:45:08,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 19:45:08,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-21 19:45:08,846 INFO L87 Difference]: Start difference. First operand 294 states and 318 transitions. Second operand 7 states. [2021-02-21 19:45:09,592 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 19:45:11,847 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:45:13,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:45:13,268 INFO L93 Difference]: Finished difference Result 733 states and 862 transitions. [2021-02-21 19:45:13,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-21 19:45:13,269 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2021-02-21 19:45:13,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:45:13,275 INFO L225 Difference]: With dead ends: 733 [2021-02-21 19:45:13,275 INFO L226 Difference]: Without dead ends: 554 [2021-02-21 19:45:13,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-02-21 19:45:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2021-02-21 19:45:13,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 427. [2021-02-21 19:45:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2021-02-21 19:45:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 457 transitions. [2021-02-21 19:45:13,478 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 457 transitions. Word has length 179 [2021-02-21 19:45:13,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:45:13,479 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 457 transitions. [2021-02-21 19:45:13,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 19:45:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 457 transitions. [2021-02-21 19:45:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-02-21 19:45:13,482 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:45:13,483 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 19:45:13,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 19:45:13,483 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:45:13,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:45:13,484 INFO L82 PathProgramCache]: Analyzing trace with hash 963579304, now seen corresponding path program 1 times [2021-02-21 19:45:13,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:45:13,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171960650] [2021-02-21 19:45:13,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:45:13,488 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:45:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:13,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:13,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:13,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:13,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:13,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:45:13,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:45:13,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:45:13,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:45:13,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:45:13,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 19:45:13,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:13,938 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:45:13,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:45:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:13,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:13,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 19:45:13,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:45:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:13,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:13,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:45:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:13,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:13,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:13,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:45:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:14,027 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-21 19:45:14,028 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-21 19:45:14,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:45:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-21 19:45:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-21 19:45:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:45:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:45:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-02-21 19:45:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:14,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-02-21 19:45:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:14,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:14,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:14,256 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 19:45:14,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171960650] [2021-02-21 19:45:14,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:45:14,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-21 19:45:14,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066189154] [2021-02-21 19:45:14,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-21 19:45:14,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:45:14,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-21 19:45:14,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-02-21 19:45:14,260 INFO L87 Difference]: Start difference. First operand 427 states and 457 transitions. Second operand 15 states. [2021-02-21 19:45:14,965 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 19:45:15,476 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:45:15,874 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:45:16,276 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:45:16,667 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:45:17,002 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:45:17,840 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:45:19,516 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:45:19,967 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:45:20,397 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:45:20,828 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:45:21,213 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:45:21,608 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:45:22,031 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:45:22,524 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:45:22,952 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:45:23,403 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:45:25,986 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 19:45:26,425 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:45:27,031 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:45:29,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:45:29,035 INFO L93 Difference]: Finished difference Result 1499 states and 1846 transitions. [2021-02-21 19:45:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-21 19:45:29,036 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 203 [2021-02-21 19:45:29,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:45:29,046 INFO L225 Difference]: With dead ends: 1499 [2021-02-21 19:45:29,047 INFO L226 Difference]: Without dead ends: 1187 [2021-02-21 19:45:29,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2021-02-21 19:45:29,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2021-02-21 19:45:29,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 888. [2021-02-21 19:45:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2021-02-21 19:45:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 978 transitions. [2021-02-21 19:45:29,549 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 978 transitions. Word has length 203 [2021-02-21 19:45:29,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:45:29,549 INFO L480 AbstractCegarLoop]: Abstraction has 888 states and 978 transitions. [2021-02-21 19:45:29,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-21 19:45:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 978 transitions. [2021-02-21 19:45:29,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-02-21 19:45:29,557 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:45:29,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:29,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 19:45:29,558 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:45:29,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:45:29,559 INFO L82 PathProgramCache]: Analyzing trace with hash -668302128, now seen corresponding path program 1 times [2021-02-21 19:45:29,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:45:29,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955233245] [2021-02-21 19:45:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:45:29,654 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 19:45:29,656 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:45:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:29,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:29,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:29,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:29,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,067 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:45:30,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:45:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:45:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:45:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:45:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:45:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-02-21 19:45:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 19:45:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-21 19:45:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:30,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:30,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:30,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:30,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:30,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:45:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:45:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 19:45:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 19:45:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 19:45:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-02-21 19:45:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-02-21 19:45:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-02-21 19:45:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-02-21 19:45:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-02-21 19:45:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 19:45:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 19:45:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-02-21 19:45:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-02-21 19:45:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:30,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:30,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:30,511 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 19:45:30,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955233245] [2021-02-21 19:45:30,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:45:30,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-21 19:45:30,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091465491] [2021-02-21 19:45:30,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 19:45:30,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:45:30,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 19:45:30,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-02-21 19:45:30,514 INFO L87 Difference]: Start difference. First operand 888 states and 978 transitions. Second operand 12 states. [2021-02-21 19:45:32,019 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:45:32,415 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:45:32,823 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:45:33,214 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:45:33,601 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:45:33,964 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:45:36,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:45:36,624 INFO L93 Difference]: Finished difference Result 1976 states and 2371 transitions. [2021-02-21 19:45:36,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-21 19:45:36,625 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 305 [2021-02-21 19:45:36,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:45:36,633 INFO L225 Difference]: With dead ends: 1976 [2021-02-21 19:45:36,633 INFO L226 Difference]: Without dead ends: 1203 [2021-02-21 19:45:36,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-21 19:45:36,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2021-02-21 19:45:36,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 915. [2021-02-21 19:45:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2021-02-21 19:45:37,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1007 transitions. [2021-02-21 19:45:37,009 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1007 transitions. Word has length 305 [2021-02-21 19:45:37,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:45:37,009 INFO L480 AbstractCegarLoop]: Abstraction has 915 states and 1007 transitions. [2021-02-21 19:45:37,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 19:45:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1007 transitions. [2021-02-21 19:45:37,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-02-21 19:45:37,021 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:45:37,024 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:37,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 19:45:37,024 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:45:37,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:45:37,025 INFO L82 PathProgramCache]: Analyzing trace with hash 786852523, now seen corresponding path program 1 times [2021-02-21 19:45:37,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:45:37,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424315747] [2021-02-21 19:45:37,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:45:37,070 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 19:45:37,073 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 19:45:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:37,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:37,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,505 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:45:37,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:45:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:45:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:45:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:45:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:37,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:37,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:45:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-21 19:45:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-02-21 19:45:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:37,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:37,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 19:45:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:37,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:37,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 19:45:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 19:45:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 19:45:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 19:45:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-02-21 19:45:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-02-21 19:45:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-02-21 19:45:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-02-21 19:45:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-02-21 19:45:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 19:45:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 19:45:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-02-21 19:45:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-02-21 19:45:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:37,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:37,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:37,920 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 19:45:37,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424315747] [2021-02-21 19:45:37,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:45:37,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-21 19:45:37,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491070375] [2021-02-21 19:45:37,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-21 19:45:37,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:45:37,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-21 19:45:37,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-21 19:45:37,923 INFO L87 Difference]: Start difference. First operand 915 states and 1007 transitions. Second operand 15 states. [2021-02-21 19:45:38,706 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:45:39,100 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:45:39,478 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:45:39,861 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:45:40,228 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:45:41,327 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:45:41,698 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:45:42,087 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:45:42,485 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:45:42,853 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 19:45:45,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:45:45,464 INFO L93 Difference]: Finished difference Result 1775 states and 2093 transitions. [2021-02-21 19:45:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-21 19:45:45,467 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 301 [2021-02-21 19:45:45,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:45:45,475 INFO L225 Difference]: With dead ends: 1775 [2021-02-21 19:45:45,475 INFO L226 Difference]: Without dead ends: 975 [2021-02-21 19:45:45,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-21 19:45:45,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2021-02-21 19:45:45,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 759. [2021-02-21 19:45:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2021-02-21 19:45:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 831 transitions. [2021-02-21 19:45:45,948 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 831 transitions. Word has length 301 [2021-02-21 19:45:45,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:45:45,949 INFO L480 AbstractCegarLoop]: Abstraction has 759 states and 831 transitions. [2021-02-21 19:45:45,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-21 19:45:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 831 transitions. [2021-02-21 19:45:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-02-21 19:45:45,954 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:45:45,954 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:45,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 19:45:45,955 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:45:45,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:45:45,955 INFO L82 PathProgramCache]: Analyzing trace with hash 278329716, now seen corresponding path program 1 times [2021-02-21 19:45:45,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:45:45,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6680521] [2021-02-21 19:45:45,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:45:46,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:46,322 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2021-02-21 19:45:46,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-02-21 19:45:46,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:46,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:46,627 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2021-02-21 19:45:46,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-02-21 19:45:46,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:46,927 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2021-02-21 19:45:46,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-02-21 19:45:46,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:46,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:46,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:46,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:46,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,301 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2021-02-21 19:45:47,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-02-21 19:45:47,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,342 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-21 19:45:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:47,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:47,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:47,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,791 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 19:45:47,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 19:45:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-21 19:45:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-21 19:45:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-21 19:45:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-21 19:45:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-02-21 19:45:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-21 19:45:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-02-21 19:45:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:47,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 19:45:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 19:45:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 19:45:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:47,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-02-21 19:45:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-02-21 19:45:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 19:45:47,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:47,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:47,965 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 19:45:47,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:47,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:47,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:47,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:45:48,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:48,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:45:48,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:45:48,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:45:48,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:45:48,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:45:48,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-02-21 19:45:48,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:48,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:48,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:45:48,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:45:48,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:45:48,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:45:48,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:48,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:45:48,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:45:48,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-02-21 19:45:48,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:48,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:45:48,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:45:48,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:45:48,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:48,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 19:45:48,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:45:48,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 19:45:48,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-02-21 19:45:48,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:48,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:48,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:48,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:48,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:48,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:48,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:45:48,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 19:45:48,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:48,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:48,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:45:48,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:48,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:45:48,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:48,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:48,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 19:45:48,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:48,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 19:45:48,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:45:48,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:45:48,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 19:45:48,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 19:45:48,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:48,488 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-21 19:45:48,489 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-21 19:45:48,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 19:45:48,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 19:45:48,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:48,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:48,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:45:48,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:45:48,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:48,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:45:48,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:45:48,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 19:45:48,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 19:45:48,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:45:48,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:45:48,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 19:45:48,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,918 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-21 19:45:48,919 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-21 19:45:48,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:45:48,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:45:48,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:45:48,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:48,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 19:45:48,997 WARN L141 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-02-21 19:45:48,997 WARN L147 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size 13 [2021-02-21 19:45:49,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:49,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:49,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:49,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:45:49,176 WARN L141 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-02-21 19:45:49,177 WARN L147 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size 16 [2021-02-21 19:45:49,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:49,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:45:49,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:49,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:49,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:45:49,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 19:45:49,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 19:45:49,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-21 19:45:49,492 WARN L141 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-02-21 19:45:49,492 WARN L147 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size 16 [2021-02-21 19:45:49,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:49,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:45:49,605 WARN L141 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-02-21 19:45:49,606 WARN L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-02-21 19:45:49,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:45:49,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:49,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:49,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:45:49,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:49,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:49,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 19:45:49,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:49,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:49,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:49,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:45:49,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:45:49,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:45:49,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-21 19:45:49,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:49,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 19:45:50,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-21 19:45:50,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 19:45:50,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 19:45:50,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-21 19:45:50,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-21 19:45:50,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 19:45:50,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-21 19:45:50,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 19:45:50,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:45:50,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:50,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:45:50,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:50,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:45:50,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:45:50,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:45:50,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:45:50,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:45:50,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:50,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:50,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:45:50,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:45:50,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:50,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 19:45:51,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:51,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 19:45:51,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:51,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 19:45:51,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:51,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:45:51,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:51,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:45:51,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:51,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 19:45:51,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:51,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 19:45:51,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:51,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 19:45:51,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:51,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 19:45:51,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:45:51,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:45:51,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6680521] [2021-02-21 19:45:51,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 19:45:51,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2021-02-21 19:45:51,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085748992] [2021-02-21 19:45:51,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-02-21 19:45:51,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 19:45:51,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-02-21 19:45:51,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=3797, Unknown=0, NotChecked=0, Total=4160 [2021-02-21 19:45:51,322 INFO L87 Difference]: Start difference. First operand 759 states and 831 transitions. Second operand 60 states. [2021-02-21 19:45:52,074 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:45:52,761 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:45:53,208 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:45:53,602 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:45:54,010 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:45:54,468 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:45:54,900 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:45:55,382 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:45:55,820 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:45:56,263 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:45:56,757 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:45:57,250 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:45:57,756 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:45:58,293 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:45:58,832 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:45:59,405 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:46:00,267 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:46:01,574 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:46:02,057 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:46:02,566 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:46:03,092 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:46:03,601 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:46:04,076 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:46:04,660 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:46:05,172 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:46:05,679 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:46:06,201 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:46:06,764 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:46:07,262 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:46:08,112 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:46:08,605 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:46:09,162 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 19:46:09,704 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:46:10,238 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:46:10,789 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:46:11,309 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:46:11,891 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:46:12,474 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:46:13,039 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:46:13,548 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:46:14,122 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:46:14,889 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:46:15,542 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:46:16,366 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 19:46:16,928 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 19:46:17,421 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 19:46:18,484 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 219 [2021-02-21 19:46:19,926 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 19:46:20,367 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 19:46:21,122 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:46:21,874 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:46:23,287 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:46:24,053 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:46:24,910 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:46:25,765 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:46:26,403 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 19:46:26,950 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 19:46:29,217 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 19:46:29,692 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:46:30,330 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 19:46:32,368 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 19:46:32,901 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 19:46:33,932 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:46:36,003 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:46:36,403 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:46:36,880 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:46:37,284 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:46:37,785 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:46:38,229 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:46:38,839 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 19:46:39,246 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:46:39,673 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:46:40,073 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:46:41,373 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:46:41,805 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 19:46:42,368 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 19:46:42,800 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 19:46:43,639 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 19:46:44,153 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 19:46:44,557 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 19:46:45,542 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 218 [2021-02-21 19:46:46,568 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 19:47:03,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 19:47:03,279 INFO L93 Difference]: Finished difference Result 3189 states and 4008 transitions. [2021-02-21 19:47:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2021-02-21 19:47:03,280 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 301 [2021-02-21 19:47:03,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 19:47:03,298 INFO L225 Difference]: With dead ends: 3189 [2021-02-21 19:47:03,298 INFO L226 Difference]: Without dead ends: 2640 [2021-02-21 19:47:03,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 165 SyntacticMatches, 5 SemanticMatches, 451 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91081 ImplicationChecksByTransitivity, 56.7s TimeCoverageRelationStatistics Valid=11283, Invalid=193473, Unknown=0, NotChecked=0, Total=204756 [2021-02-21 19:47:03,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2021-02-21 19:47:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 1479. [2021-02-21 19:47:04,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1479 states. [2021-02-21 19:47:04,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1644 transitions. [2021-02-21 19:47:04,078 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1644 transitions. Word has length 301 [2021-02-21 19:47:04,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 19:47:04,079 INFO L480 AbstractCegarLoop]: Abstraction has 1479 states and 1644 transitions. [2021-02-21 19:47:04,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 60 states. [2021-02-21 19:47:04,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1644 transitions. [2021-02-21 19:47:04,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-02-21 19:47:04,086 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 19:47:04,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:04,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 19:47:04,087 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 19:47:04,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 19:47:04,088 INFO L82 PathProgramCache]: Analyzing trace with hash 359762892, now seen corresponding path program 1 times [2021-02-21 19:47:04,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 19:47:04,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294286224] [2021-02-21 19:47:04,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 19:47:04,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:04,470 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2021-02-21 19:47:04,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-02-21 19:47:04,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:04,754 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 92 [2021-02-21 19:47:04,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-02-21 19:47:04,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:04,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:04,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:04,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:04,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:04,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:04,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:04,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:05,145 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 92 [2021-02-21 19:47:05,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:05,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-02-21 19:47:05,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:05,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:05,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:05,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:05,469 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2021-02-21 19:47:05,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:05,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-02-21 19:47:05,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 19:47:05,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 19:47:05,494 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-21 19:47:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 19:47:05,657 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 19:47:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 19:47:05,790 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 19:47:06,060 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-21 19:47:06,060 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-21 19:47:06,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 19:47:06,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 07:47:06 BoogieIcfgContainer [2021-02-21 19:47:06,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 19:47:06,120 INFO L168 Benchmark]: Toolchain (without parser) took 133025.21 ms. Allocated memory was 151.0 MB in the beginning and 848.3 MB in the end (delta: 697.3 MB). Free memory was 126.3 MB in the beginning and 492.8 MB in the end (delta: -366.5 MB). Peak memory consumption was 331.6 MB. Max. memory is 8.0 GB. [2021-02-21 19:47:06,121 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 125.5 MB in the end (delta: 435.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 19:47:06,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.14 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 103.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-21 19:47:06,123 INFO L168 Benchmark]: Boogie Preprocessor took 97.33 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 99.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-21 19:47:06,123 INFO L168 Benchmark]: RCFGBuilder took 1606.90 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 53.5 MB in the end (delta: 45.6 MB). Peak memory consumption was 44.8 MB. Max. memory is 8.0 GB. [2021-02-21 19:47:06,126 INFO L168 Benchmark]: TraceAbstraction took 130693.01 ms. Allocated memory was 151.0 MB in the beginning and 848.3 MB in the end (delta: 697.3 MB). Free memory was 53.0 MB in the beginning and 492.8 MB in the end (delta: -439.9 MB). Peak memory consumption was 258.5 MB. Max. memory is 8.0 GB. [2021-02-21 19:47:06,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 125.5 MB in the end (delta: 435.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 609.14 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 103.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 97.33 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 99.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1606.90 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 53.5 MB in the end (delta: 45.6 MB). Peak memory consumption was 44.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 130693.01 ms. Allocated memory was 151.0 MB in the beginning and 848.3 MB in the end (delta: 697.3 MB). Free memory was 53.0 MB in the beginning and 492.8 MB in the end (delta: -439.9 MB). Peak memory consumption was 258.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L446] int cleanupTimeShifts = 4; [L711] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L908] int waterLevel = 1; [L909] int methaneLevelCritical = 0; [L519] int retValue_acc ; [L520] int tmp ; [L524] FCALL select_helpers() [L525] FCALL select_features() [L526] CALL, EXPR valid_product() [L437] int retValue_acc ; [L440] retValue_acc = 1 [L441] return (retValue_acc); [L526] RET, EXPR valid_product() [L526] tmp = valid_product() [L528] COND TRUE \read(tmp) [L530] FCALL setup() [L531] CALL runTest() [L513] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 [L66] COND TRUE 1 [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND TRUE \read(tmp) [L78] CALL waterRise() [L926] COND TRUE waterLevel < 2 [L927] waterLevel = waterLevel + 1 [L78] RET waterRise() [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___2) [L98] CALL startSystem() [L376] systemActive = 1 [L98] RET startSystem() [L111] CALL timeShift() [L140] COND FALSE !(\read(pumpRunning)) [L147] COND TRUE \read(systemActive) [L149] CALL processEnvironment() [L221] int tmp ; [L224] COND FALSE !(\read(pumpRunning)) [L239] CALL processEnvironment__wrappee__methaneQuery() [L195] int tmp ; [L198] COND FALSE !(\read(pumpRunning)) [L213] CALL processEnvironment__wrappee__highWaterSensor() [L169] int tmp ; [L172] COND TRUE ! pumpRunning [L174] CALL, EXPR isHighWaterLevel() [L335] int retValue_acc ; [L336] int tmp ; [L337] int tmp___0 ; [L341] CALL, EXPR isHighWaterSensorDry() [L988] int retValue_acc ; [L991] COND FALSE !(waterLevel < 2) [L995] retValue_acc = 0 [L996] return (retValue_acc); [L341] RET, EXPR isHighWaterSensorDry() [L341] tmp = isHighWaterSensorDry() [L343] COND FALSE !(\read(tmp)) [L346] tmp___0 = 1 [L348] retValue_acc = tmp___0 [L349] return (retValue_acc); [L174] RET, EXPR isHighWaterLevel() [L174] tmp = isHighWaterLevel() [L176] COND TRUE \read(tmp) [L178] CALL activatePump() [L254] int tmp ; [L258] CALL, EXPR isMethaneAlarm() [L279] int retValue_acc ; [L283] CALL, EXPR isMethaneLevelCritical() [L947] int retValue_acc ; [L950] retValue_acc = methaneLevelCritical [L951] return (retValue_acc); [L283] RET, EXPR isMethaneLevelCritical() [L283] retValue_acc = isMethaneLevelCritical() [L285] return (retValue_acc); [L258] RET, EXPR isMethaneAlarm() [L258] tmp = isMethaneAlarm() [L260] COND FALSE !(\read(tmp)) [L264] CALL activatePump__wrappee__lowWaterSensor() [L249] pumpRunning = 1 [L264] RET activatePump__wrappee__lowWaterSensor() [L178] RET activatePump() [L213] RET processEnvironment__wrappee__highWaterSensor() [L239] RET processEnvironment__wrappee__methaneQuery() [L149] RET processEnvironment() [L155] CALL __utac_acc__Specification4_spec__1() [L383] int tmp ; [L384] int tmp___0 ; [L388] CALL, EXPR getWaterLevel() [L979] int retValue_acc ; [L982] retValue_acc = waterLevel [L983] return (retValue_acc); [L388] RET, EXPR getWaterLevel() [L388] tmp = getWaterLevel() [L390] COND FALSE !(tmp == 0) [L155] RET __utac_acc__Specification4_spec__1() [L111] RET timeShift() [L66] COND TRUE 1 [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___2) [L98] CALL startSystem() [L376] systemActive = 1 [L98] RET startSystem() [L111] CALL timeShift() [L140] COND TRUE \read(pumpRunning) [L142] CALL lowerWaterLevel() [L914] COND TRUE waterLevel > 0 [L915] waterLevel = waterLevel - 1 [L142] RET lowerWaterLevel() [L147] COND TRUE \read(systemActive) [L149] CALL processEnvironment() [L221] int tmp ; [L224] COND TRUE \read(pumpRunning) [L226] CALL, EXPR isMethaneAlarm() [L279] int retValue_acc ; [L283] CALL, EXPR isMethaneLevelCritical() [L947] int retValue_acc ; [L950] retValue_acc = methaneLevelCritical [L951] return (retValue_acc); [L283] RET, EXPR isMethaneLevelCritical() [L283] retValue_acc = isMethaneLevelCritical() [L285] return (retValue_acc); [L226] RET, EXPR isMethaneAlarm() [L226] tmp = isMethaneAlarm() [L228] COND FALSE !(\read(tmp)) [L234] CALL processEnvironment__wrappee__methaneQuery() [L195] int tmp ; [L198] COND TRUE \read(pumpRunning) [L200] CALL, EXPR isLowWaterLevel() [L354] int retValue_acc ; [L355] int tmp ; [L356] int tmp___0 ; [L360] CALL, EXPR isLowWaterSensorDry() [L1002] int retValue_acc ; [L1005] retValue_acc = waterLevel == 0 [L1006] return (retValue_acc); [L360] RET, EXPR isLowWaterSensorDry() [L360] tmp = isLowWaterSensorDry() [L362] COND TRUE \read(tmp) [L363] tmp___0 = 0 [L367] retValue_acc = tmp___0 [L368] return (retValue_acc); [L200] RET, EXPR isLowWaterLevel() [L200] tmp = isLowWaterLevel() [L202] COND FALSE !(\read(tmp)) [L208] CALL processEnvironment__wrappee__highWaterSensor() [L169] int tmp ; [L172] COND FALSE !(! pumpRunning) [L187] FCALL processEnvironment__wrappee__base() [L208] RET processEnvironment__wrappee__highWaterSensor() [L234] RET processEnvironment__wrappee__methaneQuery() [L149] RET processEnvironment() [L155] CALL __utac_acc__Specification4_spec__1() [L383] int tmp ; [L384] int tmp___0 ; [L388] CALL, EXPR getWaterLevel() [L979] int retValue_acc ; [L982] retValue_acc = waterLevel [L983] return (retValue_acc); [L388] RET, EXPR getWaterLevel() [L388] tmp = getWaterLevel() [L390] COND TRUE tmp == 0 [L392] CALL, EXPR isPumpRunning() [L290] int retValue_acc ; [L293] retValue_acc = pumpRunning [L294] return (retValue_acc); [L392] RET, EXPR isPumpRunning() [L392] tmp___0 = isPumpRunning() [L394] COND TRUE \read(tmp___0) [L396] CALL __automaton_fail() [L46] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 671 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 130.5s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 114.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2401 SDtfs, 8367 SDslu, 6347 SDs, 0 SdLazy, 20064 SolverSat, 4468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 981 GetRequests, 408 SyntacticMatches, 5 SemanticMatches, 568 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91602 ImplicationChecksByTransitivity, 76.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1479occurred 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: 2.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 2237 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...