/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:14:55,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:14:55,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:14:55,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 01:14:55,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 01:14:55,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 01:14:55,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 01:14:55,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 01:14:55,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 01:14:55,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 01:14:55,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 01:14:55,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 01:14:55,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:14:55,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:14:55,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:14:55,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:14:55,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:14:55,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:14:55,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:14:55,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:14:55,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:14:55,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:14:55,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:14:55,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:14:55,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 01:14:55,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 01:14:55,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 01:14:55,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 01:14:55,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 01:14:55,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 01:14:55,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 01:14:55,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 01:14:55,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 01:14:55,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 01:14:55,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 01:14:55,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 01:14:55,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 01:14:55,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 01:14:55,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:14:55,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:14:55,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:14:55,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:14:55,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:14:55,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:14:55,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:14:55,227 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:14:55,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:14:55,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:14:55,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:14:55,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:14:55,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:14:55,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:14:55,228 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:14:55,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:14:55,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:14:55,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:14:55,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:14:55,230 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:14:55,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:14:55,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:14:55,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:14:55,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:14:55,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:14:55,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:14:55,231 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:14:55,231 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:14:55,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:14:55,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:14:55,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:14:55,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:14:55,625 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:14:55,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2021-02-22 01:14:55,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bcb7c6d9/576ec44d08434ab9bd0e2f5fd6d4ebd2/FLAG81198baa6 [2021-02-22 01:14:56,459 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:14:56,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2021-02-22 01:14:56,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bcb7c6d9/576ec44d08434ab9bd0e2f5fd6d4ebd2/FLAG81198baa6 [2021-02-22 01:14:56,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bcb7c6d9/576ec44d08434ab9bd0e2f5fd6d4ebd2 [2021-02-22 01:14:56,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:14:56,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:14:56,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:14:56,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:14:56,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:14:56,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:14:56" (1/1) ... [2021-02-22 01:14:56,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79def129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:56, skipping insertion in model container [2021-02-22 01:14:56,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:14:56" (1/1) ... [2021-02-22 01:14:56,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:14:56,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:14:57,061 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_product58.cil.c[11394,11407] [2021-02-22 01:14:57,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:14:57,128 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:14:57,182 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_product58.cil.c[11394,11407] [2021-02-22 01:14:57,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:14:57,250 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:14:57,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:57 WrapperNode [2021-02-22 01:14:57,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:14:57,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:14:57,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:14:57,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:14:57,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:57" (1/1) ... [2021-02-22 01:14:57,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:57" (1/1) ... [2021-02-22 01:14:57,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:57" (1/1) ... [2021-02-22 01:14:57,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:57" (1/1) ... [2021-02-22 01:14:57,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:57" (1/1) ... [2021-02-22 01:14:57,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:57" (1/1) ... [2021-02-22 01:14:57,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:57" (1/1) ... [2021-02-22 01:14:57,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:14:57,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:14:57,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:14:57,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:14:57,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:57" (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 [2021-02-22 01:14:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:14:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:14:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 01:14:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:14:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 01:14:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 01:14:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 01:14:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 01:14:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 01:14:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 01:14:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2021-02-22 01:14:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 01:14:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-22 01:14:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-22 01:14:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-22 01:14:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-22 01:14:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-22 01:14:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-22 01:14:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-22 01:14:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-22 01:14:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-22 01:14:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-22 01:14:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 01:14:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-22 01:14:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:14:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 01:14:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 01:14:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 01:14:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 01:14:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-22 01:14:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-22 01:14:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-22 01:14:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-22 01:14:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-22 01:14:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-22 01:14:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-22 01:14:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-22 01:14:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-22 01:14:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-22 01:14:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-22 01:14:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-22 01:14:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-22 01:14:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 01:14:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:14:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:14:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:14:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:14:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:14:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 01:14:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 01:14:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 01:14:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 01:14:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 01:14:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:14:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:14:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:14:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 01:14:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:14:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 01:14:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 01:14:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:14:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 01:14:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 01:14:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 01:14:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 01:14:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-22 01:14:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-22 01:14:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2021-02-22 01:14:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-22 01:14:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-22 01:14:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-22 01:14:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-22 01:14:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-22 01:14:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-22 01:14:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-22 01:14:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-22 01:14:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-22 01:14:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-22 01:14:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-22 01:14:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 01:14:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 01:14:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-22 01:14:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 01:14:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 01:14:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 01:14:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:14:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 01:14:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-22 01:14:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-22 01:14:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-22 01:14:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-22 01:14:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-22 01:14:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-22 01:14:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-22 01:14:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-22 01:14:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-22 01:14:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-22 01:14:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:14:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:14:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:14:59,195 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:14:59,195 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 01:14:59,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:14:59 BoogieIcfgContainer [2021-02-22 01:14:59,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:14:59,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:14:59,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:14:59,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:14:59,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:14:56" (1/3) ... [2021-02-22 01:14:59,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538761d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:14:59, skipping insertion in model container [2021-02-22 01:14:59,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:57" (2/3) ... [2021-02-22 01:14:59,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538761d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:14:59, skipping insertion in model container [2021-02-22 01:14:59,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:14:59" (3/3) ... [2021-02-22 01:14:59,212 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2021-02-22 01:14:59,219 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:14:59,225 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:14:59,244 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:14:59,275 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:14:59,276 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:14:59,276 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:14:59,276 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:14:59,276 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:14:59,276 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:14:59,277 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:14:59,277 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:14:59,309 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2021-02-22 01:14:59,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-22 01:14:59,330 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:14:59,331 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] [2021-02-22 01:14:59,331 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:14:59,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:14:59,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1556435048, now seen corresponding path program 1 times [2021-02-22 01:14:59,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:14:59,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205822883] [2021-02-22 01:14:59,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:14:59,427 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:14:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:59,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:59,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:59,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:59,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:00,225 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:15:00,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:15:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:00,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:00,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:00,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:15:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:00,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:00,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:00,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:15:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:00,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:00,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:00,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:15:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:00,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:00,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:00,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:15:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:00,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:00,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:00,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-22 01:15:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:00,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:00,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 01:15:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:00,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:00,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:15:00,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205822883] [2021-02-22 01:15:00,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:15:00,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 01:15:00,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216934830] [2021-02-22 01:15:00,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 01:15:00,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:15:00,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 01:15:00,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 01:15:00,527 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 3 states. [2021-02-22 01:15:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:15:02,455 INFO L93 Difference]: Finished difference Result 550 states and 644 transitions. [2021-02-22 01:15:02,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 01:15:02,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-02-22 01:15:02,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:15:02,475 INFO L225 Difference]: With dead ends: 550 [2021-02-22 01:15:02,476 INFO L226 Difference]: Without dead ends: 336 [2021-02-22 01:15:02,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 01:15:02,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-02-22 01:15:02,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 292. [2021-02-22 01:15:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-22 01:15:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 315 transitions. [2021-02-22 01:15:02,720 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 315 transitions. Word has length 147 [2021-02-22 01:15:02,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:15:02,722 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 315 transitions. [2021-02-22 01:15:02,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 01:15:02,723 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 315 transitions. [2021-02-22 01:15:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-02-22 01:15:02,739 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:15:02,740 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] [2021-02-22 01:15:02,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:15:02,740 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:15:02,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:15:02,741 INFO L82 PathProgramCache]: Analyzing trace with hash 102353542, now seen corresponding path program 1 times [2021-02-22 01:15:02,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:15:02,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997931262] [2021-02-22 01:15:02,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:15:02,748 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:15:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:02,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:02,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:02,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:02,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:02,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:02,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:03,307 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:15:03,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:15:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:03,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:03,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:03,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:15:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:03,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:03,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:03,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:15:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:03,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:03,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:03,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:15:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:03,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:03,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:03,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:15:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:03,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:03,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:03,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:15:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:03,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:03,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:03,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-22 01:15:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:03,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:03,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:15:03,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997931262] [2021-02-22 01:15:03,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:15:03,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 01:15:03,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435624326] [2021-02-22 01:15:03,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 01:15:03,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:15:03,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 01:15:03,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:15:03,444 INFO L87 Difference]: Start difference. First operand 292 states and 315 transitions. Second operand 4 states. [2021-02-22 01:15:04,235 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:15:05,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:15:05,546 INFO L93 Difference]: Finished difference Result 462 states and 514 transitions. [2021-02-22 01:15:05,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 01:15:05,547 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2021-02-22 01:15:05,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:15:05,559 INFO L225 Difference]: With dead ends: 462 [2021-02-22 01:15:05,559 INFO L226 Difference]: Without dead ends: 319 [2021-02-22 01:15:05,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-22 01:15:05,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-02-22 01:15:05,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 282. [2021-02-22 01:15:05,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-02-22 01:15:05,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 302 transitions. [2021-02-22 01:15:05,677 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 302 transitions. Word has length 148 [2021-02-22 01:15:05,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:15:05,678 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 302 transitions. [2021-02-22 01:15:05,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 01:15:05,678 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 302 transitions. [2021-02-22 01:15:05,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-02-22 01:15:05,680 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:15:05,681 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] [2021-02-22 01:15:05,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:15:05,681 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:15:05,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:15:05,682 INFO L82 PathProgramCache]: Analyzing trace with hash -30124071, now seen corresponding path program 1 times [2021-02-22 01:15:05,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:15:05,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964785200] [2021-02-22 01:15:05,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:15:05,686 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:15:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:05,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:05,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:05,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:05,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:05,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:05,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:05,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:05,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:05,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:05,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:15:05,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:05,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:06,129 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:15:06,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:15:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:06,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:06,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:06,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:15:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:06,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:06,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:06,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:15:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:06,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:06,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:06,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:15:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:06,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:06,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:06,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:06,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:06,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:06,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:06,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:15:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:06,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:06,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:06,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-22 01:15:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:06,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:06,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:06,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:15:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:06,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:06,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:06,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-22 01:15:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:06,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:06,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:06,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:15:06,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964785200] [2021-02-22 01:15:06,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:15:06,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-22 01:15:06,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119871642] [2021-02-22 01:15:06,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-22 01:15:06,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:15:06,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-22 01:15:06,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-22 01:15:06,293 INFO L87 Difference]: Start difference. First operand 282 states and 302 transitions. Second operand 10 states. [2021-02-22 01:15:06,995 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:15:07,421 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:15:07,801 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:08,149 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:15:08,562 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:08,884 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:15:11,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:15:11,007 INFO L93 Difference]: Finished difference Result 508 states and 576 transitions. [2021-02-22 01:15:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-22 01:15:11,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2021-02-22 01:15:11,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:15:11,011 INFO L225 Difference]: With dead ends: 508 [2021-02-22 01:15:11,012 INFO L226 Difference]: Without dead ends: 341 [2021-02-22 01:15:11,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-02-22 01:15:11,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-02-22 01:15:11,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 282. [2021-02-22 01:15:11,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-02-22 01:15:11,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 301 transitions. [2021-02-22 01:15:11,156 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 301 transitions. Word has length 161 [2021-02-22 01:15:11,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:15:11,156 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 301 transitions. [2021-02-22 01:15:11,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-22 01:15:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 301 transitions. [2021-02-22 01:15:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-02-22 01:15:11,159 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:15:11,159 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] [2021-02-22 01:15:11,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 01:15:11,160 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:15:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:15:11,160 INFO L82 PathProgramCache]: Analyzing trace with hash -689326448, now seen corresponding path program 1 times [2021-02-22 01:15:11,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:15:11,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805234662] [2021-02-22 01:15:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:15:11,164 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:15:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:11,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:11,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:11,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:11,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:11,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,540 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:15:11,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:15:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:11,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:15:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:15:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:15:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:15:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-22 01:15:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-22 01:15:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:11,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:15:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:11,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:15:11,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:15:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-22 01:15:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-02-22 01:15:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:11,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:11,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:15:11,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805234662] [2021-02-22 01:15:11,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:15:11,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-22 01:15:11,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323455706] [2021-02-22 01:15:11,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-22 01:15:11,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:15:11,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-22 01:15:11,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-22 01:15:11,753 INFO L87 Difference]: Start difference. First operand 282 states and 301 transitions. Second operand 7 states. [2021-02-22 01:15:12,420 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:15:14,382 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:15:15,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:15:15,464 INFO L93 Difference]: Finished difference Result 688 states and 806 transitions. [2021-02-22 01:15:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-22 01:15:15,465 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2021-02-22 01:15:15,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:15:15,470 INFO L225 Difference]: With dead ends: 688 [2021-02-22 01:15:15,470 INFO L226 Difference]: Without dead ends: 521 [2021-02-22 01:15:15,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-02-22 01:15:15,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2021-02-22 01:15:15,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 394. [2021-02-22 01:15:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2021-02-22 01:15:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 422 transitions. [2021-02-22 01:15:15,646 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 422 transitions. Word has length 174 [2021-02-22 01:15:15,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:15:15,646 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 422 transitions. [2021-02-22 01:15:15,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-22 01:15:15,646 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 422 transitions. [2021-02-22 01:15:15,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-02-22 01:15:15,649 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:15:15,649 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] [2021-02-22 01:15:15,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 01:15:15,650 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:15:15,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:15:15,650 INFO L82 PathProgramCache]: Analyzing trace with hash 431480062, now seen corresponding path program 1 times [2021-02-22 01:15:15,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:15:15,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215735688] [2021-02-22 01:15:15,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:15:15,654 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:15:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:15,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:15,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:15,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:15,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:15,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:15:15,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:15:15,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:15:15,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:15:15,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:15:15,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:15:15,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:15,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,088 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:15:16,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:15:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:15:16,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:15:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:15:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:15:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:16,170 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-22 01:15:16,175 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-22 01:15:16,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:15:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-22 01:15:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-22 01:15:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:15:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:15:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:15:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:15:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-02-22 01:15:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:16,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:16,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-02-22 01:15:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:16,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:16,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:15:16,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215735688] [2021-02-22 01:15:16,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:15:16,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-22 01:15:16,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895764211] [2021-02-22 01:15:16,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-22 01:15:16,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:15:16,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-22 01:15:16,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-02-22 01:15:16,361 INFO L87 Difference]: Start difference. First operand 394 states and 422 transitions. Second operand 15 states. [2021-02-22 01:15:17,020 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:15:17,512 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:15:17,894 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:15:18,274 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:15:18,664 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:19,022 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:15:19,823 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:15:21,388 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:15:21,793 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:22,206 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:22,654 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:15:23,040 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:15:23,439 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:23,841 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:15:24,322 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:24,808 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:15:25,276 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:27,776 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:15:28,172 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:15:28,807 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:15:30,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:15:30,432 INFO L93 Difference]: Finished difference Result 1393 states and 1730 transitions. [2021-02-22 01:15:30,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-22 01:15:30,433 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 198 [2021-02-22 01:15:30,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:15:30,446 INFO L225 Difference]: With dead ends: 1393 [2021-02-22 01:15:30,446 INFO L226 Difference]: Without dead ends: 1114 [2021-02-22 01:15:30,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2021-02-22 01:15:30,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-02-22 01:15:30,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 815. [2021-02-22 01:15:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2021-02-22 01:15:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 899 transitions. [2021-02-22 01:15:30,803 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 899 transitions. Word has length 198 [2021-02-22 01:15:30,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:15:30,804 INFO L480 AbstractCegarLoop]: Abstraction has 815 states and 899 transitions. [2021-02-22 01:15:30,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-22 01:15:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 899 transitions. [2021-02-22 01:15:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-02-22 01:15:30,810 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:15:30,811 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-22 01:15:30,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 01:15:30,812 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:15:30,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:15:30,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1040636898, now seen corresponding path program 1 times [2021-02-22 01:15:30,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:15:30,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875117323] [2021-02-22 01:15:30,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:15:30,912 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 01:15:30,950 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 01:15:30,962 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 01:15:30,969 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 01:15:31,020 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-22 01:15:31,030 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-22 01:15:31,035 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,038 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,043 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-22 01:15:31,048 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-22 01:15:31,054 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-22 01:15:31,059 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-22 01:15:31,104 WARN L141 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-02-22 01:15:31,109 INFO L723 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2021-02-22 01:15:31,115 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:31,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:31,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:31,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-22 01:15:31,137 WARN L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-02-22 01:15:31,148 WARN L141 QuantifierPusher]: treesize reduction 14, result has 87.7 percent of original size [2021-02-22 01:15:31,158 WARN L147 QuantifierPusher]: treesize reduction 14, result has 87.7 percent of original size 100 [2021-02-22 01:15:31,160 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,161 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,163 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,164 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,166 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:15:31,168 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:15:31,171 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,173 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,176 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,177 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,179 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,179 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,182 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:15:31,185 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:15:31,187 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,190 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,194 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 01:15:31,200 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 01:15:31,203 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 01:15:31,208 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 01:15:31,260 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-22 01:15:31,262 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-22 01:15:31,265 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,268 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,269 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,270 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,272 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,273 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,275 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:15:31,277 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:15:31,280 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,284 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,286 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-22 01:15:31,290 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-22 01:15:31,293 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-22 01:15:31,298 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-22 01:15:31,341 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-22 01:15:31,343 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-22 01:15:31,346 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,348 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,349 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,350 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,353 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,353 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,355 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:15:31,357 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:15:31,359 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,361 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,363 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,363 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,365 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,366 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,370 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:15:31,371 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:15:31,373 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,376 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,377 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,378 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,380 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,380 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,383 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:15:31,385 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:15:31,387 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,388 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,390 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 01:15:31,395 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 01:15:31,399 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 01:15:31,403 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 01:15:31,453 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-22 01:15:31,454 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-22 01:15:31,456 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,458 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,461 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,461 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,463 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,464 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,466 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:15:31,468 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:15:31,471 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,474 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,476 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-22 01:15:31,480 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-22 01:15:31,483 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-22 01:15:31,491 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-22 01:15:31,532 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-22 01:15:31,533 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-22 01:15:31,535 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,537 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,538 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 01:15:31,544 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 01:15:31,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-22 01:15:31,550 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-22 01:15:31,598 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-22 01:15:31,600 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-22 01:15:31,604 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,606 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,607 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,609 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,612 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-22 01:15:31,613 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-22 01:15:31,615 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:15:31,617 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:15:31,618 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,621 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,623 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-22 01:15:31,631 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-22 01:15:31,634 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-22 01:15:31,637 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-22 01:15:31,675 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-22 01:15:31,677 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-22 01:15:31,679 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-22 01:15:31,681 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-22 01:15:31,681 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 01:15:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:31,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:31,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:31,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:31,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:31,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:31,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:31,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:31,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:31,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:31,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:31,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:31,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,077 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:15:32,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:15:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:15:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:15:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:15:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:15:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-22 01:15:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-02-22 01:15:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-02-22 01:15:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:32,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:15:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:32,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:15:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:15:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:15:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-02-22 01:15:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-02-22 01:15:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:15:32,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:32,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:15:32,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:32,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:15:32,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-22 01:15:32,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-02-22 01:15:32,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:32,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:15:32,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:32,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:15:32,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:32,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:15:32,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:32,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:15:32,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:32,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:15:32,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:32,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:15:32,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:32,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:15:32,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:32,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:15:32,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:32,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:15:32,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:32,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:32,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:15:32,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:15:32,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:32,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:32,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:15:32,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:32,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:15:32,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:32,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:15:32,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:15:32,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:15:32,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:15:32,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:15:32,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:15:32,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:15:32,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:15:32,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:32,720 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-22 01:15:32,721 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-22 01:15:32,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:15:32,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:15:32,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:15:32,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:15:32,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:15:32,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:15:32,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:15:32,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:15:32,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:15:32,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:15:32,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:32,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:15:33,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:15:33,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:15:33,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:15:33,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,128 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-22 01:15:33,128 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-22 01:15:33,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:15:33,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:15:33,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,197 WARN L141 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-02-22 01:15:33,198 WARN L147 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size 10 [2021-02-22 01:15:33,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:15:33,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:33,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:33,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:15:33,364 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-22 01:15:33,365 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-22 01:15:33,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:33,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:15:33,467 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-22 01:15:33,469 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-22 01:15:33,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:33,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:15:33,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:15:33,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:15:33,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:15:33,692 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-22 01:15:33,693 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-22 01:15:33,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:33,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:15:33,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:15:33,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:15:33,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:15:33,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:15:33,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:15:33,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:15:33,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:15:33,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:15:33,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:15:33,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:33,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:15:33,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:15:33,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:33,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-22 01:15:34,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:34,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-22 01:15:34,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:34,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:15:34,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:34,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:15:34,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:34,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:15:34,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:34,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:15:34,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:34,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:15:34,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:34,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:15:34,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:15:34,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:15:34,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875117323] [2021-02-22 01:15:34,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:15:34,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2021-02-22 01:15:34,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642206561] [2021-02-22 01:15:34,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-02-22 01:15:34,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:15:34,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-02-22 01:15:34,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=2474, Unknown=0, NotChecked=0, Total=2756 [2021-02-22 01:15:34,355 INFO L87 Difference]: Start difference. First operand 815 states and 899 transitions. Second operand 50 states. [2021-02-22 01:15:35,072 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:35,776 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:15:36,209 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:15:36,665 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:15:37,081 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:15:37,612 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:15:38,109 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:15:38,566 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:15:39,048 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:15:39,515 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:15:39,999 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:15:40,473 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:15:40,998 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:15:41,564 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:15:42,138 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:15:42,748 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:15:44,059 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:44,448 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:44,922 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:15:45,405 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:45,885 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:15:46,340 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:46,838 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:15:47,342 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:15:47,796 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:15:48,284 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:48,791 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:15:49,239 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:50,149 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:50,630 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:15:51,129 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:51,573 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:15:52,029 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:15:52,488 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:15:52,942 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:15:53,498 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:15:54,599 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-22 01:15:55,616 WARN L202 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-22 01:15:56,791 WARN L202 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 233 [2021-02-22 01:15:57,801 WARN L202 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-02-22 01:15:58,932 WARN L202 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-02-22 01:15:59,934 WARN L202 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-22 01:16:01,280 WARN L202 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-02-22 01:16:02,229 WARN L202 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-22 01:16:03,219 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 233 [2021-02-22 01:16:03,712 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:16:04,667 WARN L202 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-02-22 01:16:05,627 WARN L202 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-22 01:16:06,931 WARN L202 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 225 [2021-02-22 01:16:08,311 WARN L202 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-22 01:16:09,605 WARN L202 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-22 01:16:10,624 WARN L202 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-22 01:16:11,244 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:16:12,877 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 222 [2021-02-22 01:16:15,318 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:16:15,764 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:16:16,270 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:16:17,110 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 218 [2021-02-22 01:16:17,704 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:16:18,459 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:16:19,022 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:16:19,628 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:16:20,066 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:16:20,595 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:16:21,132 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:16:21,684 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:16:22,238 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:16:22,745 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:16:23,804 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:16:24,319 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:16:25,252 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 215 [2021-02-22 01:16:26,171 WARN L202 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 217 [2021-02-22 01:16:26,894 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:16:27,330 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:16:27,935 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:16:28,439 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:16:28,934 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:16:30,623 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:16:31,298 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:16:31,975 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:16:32,634 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:16:33,325 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:16:33,747 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:16:34,163 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:16:35,293 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 218 [2021-02-22 01:16:36,163 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:16:50,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:16:50,815 INFO L93 Difference]: Finished difference Result 2548 states and 3285 transitions. [2021-02-22 01:16:50,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2021-02-22 01:16:50,815 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 283 [2021-02-22 01:16:50,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:16:50,828 INFO L225 Difference]: With dead ends: 2548 [2021-02-22 01:16:50,828 INFO L226 Difference]: Without dead ends: 1848 [2021-02-22 01:16:50,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 145 SyntacticMatches, 3 SemanticMatches, 346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51150 ImplicationChecksByTransitivity, 66.6s TimeCoverageRelationStatistics Valid=11530, Invalid=109226, Unknown=0, NotChecked=0, Total=120756 [2021-02-22 01:16:50,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2021-02-22 01:16:51,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 933. [2021-02-22 01:16:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2021-02-22 01:16:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1024 transitions. [2021-02-22 01:16:51,353 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1024 transitions. Word has length 283 [2021-02-22 01:16:51,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:16:51,353 INFO L480 AbstractCegarLoop]: Abstraction has 933 states and 1024 transitions. [2021-02-22 01:16:51,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 50 states. [2021-02-22 01:16:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1024 transitions. [2021-02-22 01:16:51,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-02-22 01:16:51,362 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:16:51,363 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:16:51,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-22 01:16:51,363 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:16:51,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:16:51,364 INFO L82 PathProgramCache]: Analyzing trace with hash 884779810, now seen corresponding path program 1 times [2021-02-22 01:16:51,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:16:51,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164935972] [2021-02-22 01:16:51,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:16:51,396 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:55) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 01:16:51,399 INFO L168 Benchmark]: Toolchain (without parser) took 114666.36 ms. Allocated memory was 151.0 MB in the beginning and 690.0 MB in the end (delta: 539.0 MB). Free memory was 127.1 MB in the beginning and 443.1 MB in the end (delta: -316.0 MB). Peak memory consumption was 223.8 MB. Max. memory is 8.0 GB. [2021-02-22 01:16:51,399 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:16:51,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.97 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 104.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:16:51,400 INFO L168 Benchmark]: Boogie Preprocessor took 168.84 ms. Allocated memory is still 151.0 MB. Free memory was 104.5 MB in the beginning and 132.5 MB in the end (delta: -28.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 8.0 GB. [2021-02-22 01:16:51,400 INFO L168 Benchmark]: RCFGBuilder took 1774.80 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 85.6 MB in the end (delta: 46.9 MB). Peak memory consumption was 66.8 MB. Max. memory is 8.0 GB. [2021-02-22 01:16:51,400 INFO L168 Benchmark]: TraceAbstraction took 112194.50 ms. Allocated memory was 151.0 MB in the beginning and 690.0 MB in the end (delta: 539.0 MB). Free memory was 85.6 MB in the beginning and 443.1 MB in the end (delta: -357.5 MB). Peak memory consumption was 181.9 MB. Max. memory is 8.0 GB. [2021-02-22 01:16:51,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 503.97 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 104.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 168.84 ms. Allocated memory is still 151.0 MB. Free memory was 104.5 MB in the beginning and 132.5 MB in the end (delta: -28.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1774.80 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 85.6 MB in the end (delta: 46.9 MB). Peak memory consumption was 66.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 112194.50 ms. Allocated memory was 151.0 MB in the beginning and 690.0 MB in the end (delta: 539.0 MB). Free memory was 85.6 MB in the beginning and 443.1 MB in the end (delta: -357.5 MB). Peak memory consumption was 181.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:55) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...