/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:15:09,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:15:09,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:15:09,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:15:09,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:15:09,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:15:09,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:15:09,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:15:09,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:15:09,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:15:09,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:15:09,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:15:09,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:15:09,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:15:09,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:15:09,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:15:09,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:15:09,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:15:09,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:15:09,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:15:09,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:15:09,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:15:09,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:15:09,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:15:09,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:15:09,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:15:09,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:15:09,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:15:09,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:15:09,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:15:09,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:15:09,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:15:09,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:15:09,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:15:09,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:15:09,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:15:09,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:15:09,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:15:09,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:15:09,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:15:09,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:15:09,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:15:09,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:15:09,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:15:09,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:15:09,645 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:15:09,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:15:09,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:15:09,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:15:09,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:15:09,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:15:09,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:15:09,647 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:15:09,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:15:09,647 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:15:09,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:15:09,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:15:09,648 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:15:09,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:15:09,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:15:09,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:15:09,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:15:09,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:15:09,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:15:09,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:15:10,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:15:10,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:15:10,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:15:10,059 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:15:10,060 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:15:10,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-10-24 00:15:10,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79118c3d2/e47e468647fe4cb78658e43dc1ecdceb/FLAGb236ba5d1 [2020-10-24 00:15:10,906 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:15:10,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-10-24 00:15:10,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79118c3d2/e47e468647fe4cb78658e43dc1ecdceb/FLAGb236ba5d1 [2020-10-24 00:15:11,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79118c3d2/e47e468647fe4cb78658e43dc1ecdceb [2020-10-24 00:15:11,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:15:11,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:15:11,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:15:11,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:15:11,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:15:11,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:15:11" (1/1) ... [2020-10-24 00:15:11,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de0829b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11, skipping insertion in model container [2020-10-24 00:15:11,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:15:11" (1/1) ... [2020-10-24 00:15:11,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:15:11,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:15:11,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:15:11,633 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:15:11,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:15:11,822 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:15:11,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11 WrapperNode [2020-10-24 00:15:11,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:15:11,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:15:11,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:15:11,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:15:11,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11" (1/1) ... [2020-10-24 00:15:11,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11" (1/1) ... [2020-10-24 00:15:11,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11" (1/1) ... [2020-10-24 00:15:11,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11" (1/1) ... [2020-10-24 00:15:11,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11" (1/1) ... [2020-10-24 00:15:11,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11" (1/1) ... [2020-10-24 00:15:11,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11" (1/1) ... [2020-10-24 00:15:11,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:15:11,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:15:11,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:15:11,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:15:11,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:15:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:15:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:15:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:15:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:15:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:15:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:15:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:15:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-24 00:15:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:15:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-24 00:15:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:15:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:15:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:15:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:15:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:15:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:15:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-24 00:15:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:15:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:15:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:15:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:15:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:15:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:15:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:15:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:15:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:15:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:15:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:15:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:15:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:15:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:15:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:15:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:15:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:15:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:15:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:15:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:15:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:15:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:15:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:15:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:15:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:15:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:15:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:15:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:15:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:15:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:15:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:15:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:15:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:15:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:15:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:15:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:15:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:15:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:15:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:15:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:15:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:15:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:15:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-24 00:15:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:15:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:15:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:15:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:15:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:15:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-24 00:15:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:15:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-24 00:15:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:15:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:15:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:15:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:15:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:15:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:15:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:15:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:15:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:15:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:15:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:15:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:15:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:15:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:15:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:15:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:15:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:15:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:15:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:15:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:15:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:15:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:15:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:15:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:15:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:15:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:15:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:15:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:15:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:15:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:15:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:15:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:15:13,192 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:15:13,196 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:15:13,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:15:13 BoogieIcfgContainer [2020-10-24 00:15:13,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:15:13,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:15:13,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:15:13,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:15:13,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:15:11" (1/3) ... [2020-10-24 00:15:13,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b7c3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:15:13, skipping insertion in model container [2020-10-24 00:15:13,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:11" (2/3) ... [2020-10-24 00:15:13,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b7c3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:15:13, skipping insertion in model container [2020-10-24 00:15:13,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:15:13" (3/3) ... [2020-10-24 00:15:13,210 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-10-24 00:15:13,223 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:15:13,229 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:15:13,243 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:15:13,269 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:15:13,269 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:15:13,270 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:15:13,270 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:15:13,270 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:15:13,270 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:15:13,270 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:15:13,270 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:15:13,322 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states. [2020-10-24 00:15:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:15:13,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:13,346 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:13,346 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:13,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:13,353 INFO L82 PathProgramCache]: Analyzing trace with hash -418639191, now seen corresponding path program 1 times [2020-10-24 00:15:13,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:13,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074072120] [2020-10-24 00:15:13,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,299 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:14,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:15:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:15:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:15:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:14,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:14,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074072120] [2020-10-24 00:15:14,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:14,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:15:14,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393538453] [2020-10-24 00:15:14,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:15:14,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:14,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:15:14,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:15:14,585 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 4 states. [2020-10-24 00:15:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:16,233 INFO L93 Difference]: Finished difference Result 540 states and 635 transitions. [2020-10-24 00:15:16,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:15:16,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:15:16,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:16,253 INFO L225 Difference]: With dead ends: 540 [2020-10-24 00:15:16,254 INFO L226 Difference]: Without dead ends: 338 [2020-10-24 00:15:16,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:15:16,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-10-24 00:15:16,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 289. [2020-10-24 00:15:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-10-24 00:15:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 316 transitions. [2020-10-24 00:15:16,474 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 316 transitions. Word has length 166 [2020-10-24 00:15:16,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:16,477 INFO L481 AbstractCegarLoop]: Abstraction has 289 states and 316 transitions. [2020-10-24 00:15:16,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:15:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 316 transitions. [2020-10-24 00:15:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:15:16,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:16,494 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:16,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:15:16,494 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:16,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:16,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1039099215, now seen corresponding path program 1 times [2020-10-24 00:15:16,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:16,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694719412] [2020-10-24 00:15:16,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:16,898 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:16,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:16,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:16,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:16,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:16,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:16,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:16,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:16,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:16,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:15:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:16,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:15:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:17,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694719412] [2020-10-24 00:15:17,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:17,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:15:17,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135012558] [2020-10-24 00:15:17,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:15:17,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:17,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:15:17,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:15:17,028 INFO L87 Difference]: Start difference. First operand 289 states and 316 transitions. Second operand 5 states. [2020-10-24 00:15:17,777 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:18,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:18,971 INFO L93 Difference]: Finished difference Result 460 states and 519 transitions. [2020-10-24 00:15:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:15:18,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:15:18,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:18,982 INFO L225 Difference]: With dead ends: 460 [2020-10-24 00:15:18,983 INFO L226 Difference]: Without dead ends: 327 [2020-10-24 00:15:18,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:15:18,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-24 00:15:19,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 279. [2020-10-24 00:15:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-10-24 00:15:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 303 transitions. [2020-10-24 00:15:19,138 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 303 transitions. Word has length 167 [2020-10-24 00:15:19,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:19,139 INFO L481 AbstractCegarLoop]: Abstraction has 279 states and 303 transitions. [2020-10-24 00:15:19,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:15:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 303 transitions. [2020-10-24 00:15:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-24 00:15:19,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:19,142 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:19,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:15:19,143 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:19,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:19,143 INFO L82 PathProgramCache]: Analyzing trace with hash 284610189, now seen corresponding path program 1 times [2020-10-24 00:15:19,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:19,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194853419] [2020-10-24 00:15:19,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,556 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:19,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:15:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:15:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-24 00:15:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:19,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194853419] [2020-10-24 00:15:19,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:19,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:15:19,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711067691] [2020-10-24 00:15:19,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:15:19,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:19,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:15:19,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:15:19,752 INFO L87 Difference]: Start difference. First operand 279 states and 303 transitions. Second operand 10 states. [2020-10-24 00:15:20,399 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:20,778 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:21,129 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:15:21,447 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:21,774 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:22,077 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:23,345 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:25,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:25,578 INFO L93 Difference]: Finished difference Result 743 states and 854 transitions. [2020-10-24 00:15:25,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:15:25,581 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-24 00:15:25,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:25,587 INFO L225 Difference]: With dead ends: 743 [2020-10-24 00:15:25,587 INFO L226 Difference]: Without dead ends: 584 [2020-10-24 00:15:25,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:15:25,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-10-24 00:15:25,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 509. [2020-10-24 00:15:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2020-10-24 00:15:25,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 573 transitions. [2020-10-24 00:15:25,825 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 573 transitions. Word has length 176 [2020-10-24 00:15:25,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:25,826 INFO L481 AbstractCegarLoop]: Abstraction has 509 states and 573 transitions. [2020-10-24 00:15:25,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:15:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 573 transitions. [2020-10-24 00:15:25,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-24 00:15:25,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:25,830 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:25,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:15:25,831 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:25,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:25,831 INFO L82 PathProgramCache]: Analyzing trace with hash -627067864, now seen corresponding path program 1 times [2020-10-24 00:15:25,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:25,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389322003] [2020-10-24 00:15:25,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,180 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:26,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:15:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:15:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-24 00:15:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 00:15:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 00:15:26,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389322003] [2020-10-24 00:15:26,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:26,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:15:26,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097785974] [2020-10-24 00:15:26,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:15:26,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:26,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:15:26,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:15:26,390 INFO L87 Difference]: Start difference. First operand 509 states and 573 transitions. Second operand 10 states. [2020-10-24 00:15:26,977 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:27,863 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:28,183 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:29,626 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:29,989 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:30,294 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:30,667 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:30,974 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:31,318 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:32,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:32,292 INFO L93 Difference]: Finished difference Result 1185 states and 1412 transitions. [2020-10-24 00:15:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:15:32,292 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-10-24 00:15:32,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:32,301 INFO L225 Difference]: With dead ends: 1185 [2020-10-24 00:15:32,301 INFO L226 Difference]: Without dead ends: 796 [2020-10-24 00:15:32,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:15:32,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-10-24 00:15:32,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 707. [2020-10-24 00:15:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-10-24 00:15:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 793 transitions. [2020-10-24 00:15:32,709 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 793 transitions. Word has length 185 [2020-10-24 00:15:32,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:32,710 INFO L481 AbstractCegarLoop]: Abstraction has 707 states and 793 transitions. [2020-10-24 00:15:32,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:15:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 793 transitions. [2020-10-24 00:15:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-24 00:15:32,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:32,715 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:32,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:15:32,715 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:32,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:32,716 INFO L82 PathProgramCache]: Analyzing trace with hash 215824278, now seen corresponding path program 1 times [2020-10-24 00:15:32,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:32,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304022269] [2020-10-24 00:15:32,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,033 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:33,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:15:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:15:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-24 00:15:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:15:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:33,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304022269] [2020-10-24 00:15:33,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:33,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:15:33,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104750025] [2020-10-24 00:15:33,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:15:33,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:33,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:15:33,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:15:33,269 INFO L87 Difference]: Start difference. First operand 707 states and 793 transitions. Second operand 10 states. [2020-10-24 00:15:34,878 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:35,226 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:15:35,572 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:15:35,907 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:36,229 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:36,532 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:37,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:37,684 INFO L93 Difference]: Finished difference Result 1433 states and 1697 transitions. [2020-10-24 00:15:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 00:15:37,685 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 236 [2020-10-24 00:15:37,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:37,692 INFO L225 Difference]: With dead ends: 1433 [2020-10-24 00:15:37,692 INFO L226 Difference]: Without dead ends: 846 [2020-10-24 00:15:37,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:15:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2020-10-24 00:15:37,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 726. [2020-10-24 00:15:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-10-24 00:15:38,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 813 transitions. [2020-10-24 00:15:38,002 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 813 transitions. Word has length 236 [2020-10-24 00:15:38,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:38,003 INFO L481 AbstractCegarLoop]: Abstraction has 726 states and 813 transitions. [2020-10-24 00:15:38,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:15:38,003 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 813 transitions. [2020-10-24 00:15:38,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-24 00:15:38,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:38,008 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:38,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:15:38,008 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:38,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:38,009 INFO L82 PathProgramCache]: Analyzing trace with hash -558873802, now seen corresponding path program 1 times [2020-10-24 00:15:38,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:38,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848637976] [2020-10-24 00:15:38,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,312 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:38,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:15:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:15:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-24 00:15:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:15:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:38,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848637976] [2020-10-24 00:15:38,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:38,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-24 00:15:38,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412950357] [2020-10-24 00:15:38,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 00:15:38,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:38,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 00:15:38,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:15:38,627 INFO L87 Difference]: Start difference. First operand 726 states and 813 transitions. Second operand 13 states. [2020-10-24 00:15:39,261 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:39,561 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:15:39,857 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:40,162 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:40,441 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:41,516 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:41,832 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:42,156 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:42,496 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:42,788 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:44,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:44,180 INFO L93 Difference]: Finished difference Result 1470 states and 1735 transitions. [2020-10-24 00:15:44,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:15:44,181 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 236 [2020-10-24 00:15:44,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:44,187 INFO L225 Difference]: With dead ends: 1470 [2020-10-24 00:15:44,187 INFO L226 Difference]: Without dead ends: 864 [2020-10-24 00:15:44,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:15:44,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-10-24 00:15:44,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 738. [2020-10-24 00:15:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2020-10-24 00:15:44,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 825 transitions. [2020-10-24 00:15:44,469 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 825 transitions. Word has length 236 [2020-10-24 00:15:44,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:44,469 INFO L481 AbstractCegarLoop]: Abstraction has 738 states and 825 transitions. [2020-10-24 00:15:44,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 00:15:44,469 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 825 transitions. [2020-10-24 00:15:44,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-24 00:15:44,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:44,474 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:44,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:15:44,475 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:44,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:44,475 INFO L82 PathProgramCache]: Analyzing trace with hash 506553305, now seen corresponding path program 1 times [2020-10-24 00:15:44,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:44,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894872487] [2020-10-24 00:15:44,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,806 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:44,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:15:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:15:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-24 00:15:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:15:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:45,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894872487] [2020-10-24 00:15:45,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:45,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 00:15:45,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302574466] [2020-10-24 00:15:45,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 00:15:45,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:45,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 00:15:45,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:15:45,027 INFO L87 Difference]: Start difference. First operand 738 states and 825 transitions. Second operand 7 states. [2020-10-24 00:15:45,564 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:46,266 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:49,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:49,204 INFO L93 Difference]: Finished difference Result 2157 states and 2570 transitions. [2020-10-24 00:15:49,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:15:49,205 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 236 [2020-10-24 00:15:49,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:49,216 INFO L225 Difference]: With dead ends: 2157 [2020-10-24 00:15:49,217 INFO L226 Difference]: Without dead ends: 1539 [2020-10-24 00:15:49,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:15:49,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2020-10-24 00:15:49,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1414. [2020-10-24 00:15:49,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1414 states. [2020-10-24 00:15:49,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1610 transitions. [2020-10-24 00:15:49,822 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1610 transitions. Word has length 236 [2020-10-24 00:15:49,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:49,823 INFO L481 AbstractCegarLoop]: Abstraction has 1414 states and 1610 transitions. [2020-10-24 00:15:49,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 00:15:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1610 transitions. [2020-10-24 00:15:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-24 00:15:49,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:49,827 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:49,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:15:49,828 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:49,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:49,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1390692616, now seen corresponding path program 1 times [2020-10-24 00:15:49,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:49,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211976482] [2020-10-24 00:15:49,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,251 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:50,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-24 00:15:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-24 00:15:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-24 00:15:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:15:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:50,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211976482] [2020-10-24 00:15:50,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:50,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:15:50,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291373910] [2020-10-24 00:15:50,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:15:50,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:50,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:15:50,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:15:50,594 INFO L87 Difference]: Start difference. First operand 1414 states and 1610 transitions. Second operand 14 states. [2020-10-24 00:15:51,449 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:15:52,334 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:53,583 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:15:54,183 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:15:54,651 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:54,989 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:55,595 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:15:55,973 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:56,320 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:56,689 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:59,528 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:16:00,207 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:00,564 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:00,963 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:02,231 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:16:02,791 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:16:03,412 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:16:04,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:04,094 INFO L93 Difference]: Finished difference Result 4048 states and 4842 transitions. [2020-10-24 00:16:04,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-24 00:16:04,095 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241 [2020-10-24 00:16:04,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:04,112 INFO L225 Difference]: With dead ends: 4048 [2020-10-24 00:16:04,112 INFO L226 Difference]: Without dead ends: 3031 [2020-10-24 00:16:04,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-10-24 00:16:04,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2020-10-24 00:16:05,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 2595. [2020-10-24 00:16:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2595 states. [2020-10-24 00:16:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2595 states and 2935 transitions. [2020-10-24 00:16:05,570 INFO L78 Accepts]: Start accepts. Automaton has 2595 states and 2935 transitions. Word has length 241 [2020-10-24 00:16:05,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:05,571 INFO L481 AbstractCegarLoop]: Abstraction has 2595 states and 2935 transitions. [2020-10-24 00:16:05,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:16:05,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 2935 transitions. [2020-10-24 00:16:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-10-24 00:16:05,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:05,578 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:16:05,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:16:05,579 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:16:05,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:05,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1923699211, now seen corresponding path program 1 times [2020-10-24 00:16:05,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:05,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922565432] [2020-10-24 00:16:05,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:05,967 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:05,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:05,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:05,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:05,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:16:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:16:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:16:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-24 00:16:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-24 00:16:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-24 00:16:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-10-24 00:16:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-10-24 00:16:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-24 00:16:06,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922565432] [2020-10-24 00:16:06,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:16:06,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:16:06,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286081927] [2020-10-24 00:16:06,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:16:06,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:06,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:16:06,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:16:06,436 INFO L87 Difference]: Start difference. First operand 2595 states and 2935 transitions. Second operand 18 states. [2020-10-24 00:16:07,279 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:07,669 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:16:08,013 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:08,341 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:08,627 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:09,523 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:16:09,866 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:16:10,229 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:16:10,659 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:11,067 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:16:11,558 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:16:11,979 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:16:12,349 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:16:14,339 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:15,384 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:16:16,030 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:16:16,641 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:16:17,140 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:17,921 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:18,561 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:16:18,959 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:16:19,665 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:16:20,306 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:16:21,232 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-24 00:16:21,745 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:22,396 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:16:23,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:23,960 INFO L93 Difference]: Finished difference Result 5502 states and 6355 transitions. [2020-10-24 00:16:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-24 00:16:23,965 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 323 [2020-10-24 00:16:23,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:23,986 INFO L225 Difference]: With dead ends: 5502 [2020-10-24 00:16:23,987 INFO L226 Difference]: Without dead ends: 3289 [2020-10-24 00:16:23,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1430 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=934, Invalid=4322, Unknown=0, NotChecked=0, Total=5256 [2020-10-24 00:16:24,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3289 states. [2020-10-24 00:16:25,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3289 to 3001. [2020-10-24 00:16:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3001 states. [2020-10-24 00:16:25,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 3344 transitions. [2020-10-24 00:16:25,834 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 3344 transitions. Word has length 323 [2020-10-24 00:16:25,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:25,837 INFO L481 AbstractCegarLoop]: Abstraction has 3001 states and 3344 transitions. [2020-10-24 00:16:25,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:16:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3344 transitions. [2020-10-24 00:16:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2020-10-24 00:16:25,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:25,852 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:16:25,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:16:25,855 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:16:25,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:25,855 INFO L82 PathProgramCache]: Analyzing trace with hash -648752769, now seen corresponding path program 1 times [2020-10-24 00:16:25,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:25,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618223119] [2020-10-24 00:16:25,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,230 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:26,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:16:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:16:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:16:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:16:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:16:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2020-10-24 00:16:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:16:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-10-24 00:16:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-10-24 00:16:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-10-24 00:16:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-10-24 00:16:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 113 proven. 11 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-10-24 00:16:26,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618223119] [2020-10-24 00:16:26,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:16:26,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-24 00:16:26,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859521896] [2020-10-24 00:16:26,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-24 00:16:26,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:26,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-24 00:16:26,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-24 00:16:26,887 INFO L87 Difference]: Start difference. First operand 3001 states and 3344 transitions. Second operand 16 states. [2020-10-24 00:16:27,459 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:28,578 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:31,414 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:31,798 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:32,219 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:32,650 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:32,996 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:33,393 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:16:33,723 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:34,076 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:34,427 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:34,850 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:16:35,199 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:35,583 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:16:37,163 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:37,828 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:16:38,442 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-24 00:16:38,799 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:39,190 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:16:39,541 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:16:41,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:41,868 INFO L93 Difference]: Finished difference Result 8579 states and 9728 transitions. [2020-10-24 00:16:41,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-24 00:16:41,871 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 507 [2020-10-24 00:16:41,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:41,904 INFO L225 Difference]: With dead ends: 8579 [2020-10-24 00:16:41,904 INFO L226 Difference]: Without dead ends: 5711 [2020-10-24 00:16:41,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=491, Invalid=1959, Unknown=0, NotChecked=0, Total=2450 [2020-10-24 00:16:41,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5711 states. [2020-10-24 00:16:44,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5711 to 5513. [2020-10-24 00:16:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5513 states. [2020-10-24 00:16:44,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5513 states to 5513 states and 6084 transitions. [2020-10-24 00:16:44,349 INFO L78 Accepts]: Start accepts. Automaton has 5513 states and 6084 transitions. Word has length 507 [2020-10-24 00:16:44,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:44,351 INFO L481 AbstractCegarLoop]: Abstraction has 5513 states and 6084 transitions. [2020-10-24 00:16:44,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-24 00:16:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 5513 states and 6084 transitions. [2020-10-24 00:16:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2020-10-24 00:16:44,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:44,371 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:16:44,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:16:44,372 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:16:44,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:44,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1645058121, now seen corresponding path program 1 times [2020-10-24 00:16:44,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:44,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166075049] [2020-10-24 00:16:44,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,731 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:44,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:16:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:16:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:16:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:44,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:16:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:16:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-24 00:16:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:16:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-24 00:16:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:16:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-10-24 00:16:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-10-24 00:16:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-10-24 00:16:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-10-24 00:16:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-10-24 00:16:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 82 proven. 50 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2020-10-24 00:16:45,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166075049] [2020-10-24 00:16:45,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:16:45,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-24 00:16:45,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984806177] [2020-10-24 00:16:45,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-24 00:16:45,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:45,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-24 00:16:45,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-10-24 00:16:45,772 INFO L87 Difference]: Start difference. First operand 5513 states and 6084 transitions. Second operand 22 states. [2020-10-24 00:16:46,439 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:46,888 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:47,226 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:16:47,562 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:47,891 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:16:48,208 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:49,385 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:52,640 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:53,013 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:53,527 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:53,991 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:54,334 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:54,700 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:55,032 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:55,400 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:55,758 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:56,212 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:56,564 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:56,956 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:57,695 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:16:58,459 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:16:59,097 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:17:03,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:03,502 INFO L93 Difference]: Finished difference Result 10795 states and 12178 transitions. [2020-10-24 00:17:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-24 00:17:03,505 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 516 [2020-10-24 00:17:03,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:03,540 INFO L225 Difference]: With dead ends: 10795 [2020-10-24 00:17:03,540 INFO L226 Difference]: Without dead ends: 5967 [2020-10-24 00:17:03,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=880, Invalid=3676, Unknown=0, NotChecked=0, Total=4556 [2020-10-24 00:17:03,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5967 states. [2020-10-24 00:17:06,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5967 to 5295. [2020-10-24 00:17:06,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5295 states. [2020-10-24 00:17:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 5813 transitions. [2020-10-24 00:17:06,128 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 5813 transitions. Word has length 516 [2020-10-24 00:17:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:06,129 INFO L481 AbstractCegarLoop]: Abstraction has 5295 states and 5813 transitions. [2020-10-24 00:17:06,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-24 00:17:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 5813 transitions. [2020-10-24 00:17:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-10-24 00:17:06,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:06,149 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:17:06,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:17:06,150 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:17:06,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:06,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2004750159, now seen corresponding path program 1 times [2020-10-24 00:17:06,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:06,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991265698] [2020-10-24 00:17:06,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,514 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:06,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:17:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:17:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:17:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-24 00:17:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-24 00:17:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:17:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:17:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-24 00:17:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:06,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:17:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:17:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-10-24 00:17:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-10-24 00:17:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-24 00:17:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-10-24 00:17:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-24 00:17:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 116 proven. 31 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2020-10-24 00:17:07,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991265698] [2020-10-24 00:17:07,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:17:07,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-24 00:17:07,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342384309] [2020-10-24 00:17:07,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-24 00:17:07,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:07,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-24 00:17:07,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-10-24 00:17:07,379 INFO L87 Difference]: Start difference. First operand 5295 states and 5813 transitions. Second operand 22 states. [2020-10-24 00:17:08,098 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:08,546 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:08,889 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:17:09,229 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:09,560 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:17:09,880 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:10,926 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:14,122 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:14,498 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:14,962 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:15,432 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:15,777 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:16,138 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:16,468 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:16,837 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:17,194 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:17,705 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:18,054 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:18,445 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:20,435 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:17:21,101 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:17:21,730 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:17:24,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:24,365 INFO L93 Difference]: Finished difference Result 10233 states and 11487 transitions. [2020-10-24 00:17:24,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-24 00:17:24,366 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 517 [2020-10-24 00:17:24,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:24,398 INFO L225 Difference]: With dead ends: 10233 [2020-10-24 00:17:24,398 INFO L226 Difference]: Without dead ends: 5623 [2020-10-24 00:17:24,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=895, Invalid=3797, Unknown=0, NotChecked=0, Total=4692 [2020-10-24 00:17:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5623 states. [2020-10-24 00:17:26,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5623 to 4941. [2020-10-24 00:17:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4941 states. [2020-10-24 00:17:26,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4941 states to 4941 states and 5417 transitions. [2020-10-24 00:17:26,720 INFO L78 Accepts]: Start accepts. Automaton has 4941 states and 5417 transitions. Word has length 517 [2020-10-24 00:17:26,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:26,721 INFO L481 AbstractCegarLoop]: Abstraction has 4941 states and 5417 transitions. [2020-10-24 00:17:26,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-24 00:17:26,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4941 states and 5417 transitions. [2020-10-24 00:17:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-10-24 00:17:26,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:26,740 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:17:26,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:17:26,740 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:17:26,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:26,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1308097707, now seen corresponding path program 2 times [2020-10-24 00:17:26,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:26,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29585429] [2020-10-24 00:17:26,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,195 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:27,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:17:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:17:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:17:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:17:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:17:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:17:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-10-24 00:17:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-24 00:17:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:17:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:17:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-10-24 00:17:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-10-24 00:17:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-24 00:17:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-10-24 00:17:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-24 00:17:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 119 proven. 38 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-10-24 00:17:27,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29585429] [2020-10-24 00:17:27,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:17:27,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:17:27,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714133989] [2020-10-24 00:17:27,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:17:27,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:27,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:17:27,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:17:27,919 INFO L87 Difference]: Start difference. First operand 4941 states and 5417 transitions. Second operand 17 states. [2020-10-24 00:17:29,756 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:30,092 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:30,445 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:30,875 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:31,204 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:31,521 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:33,389 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:33,760 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:39,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:39,735 INFO L93 Difference]: Finished difference Result 14374 states and 16519 transitions. [2020-10-24 00:17:39,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-24 00:17:39,735 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-10-24 00:17:39,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:39,778 INFO L225 Difference]: With dead ends: 14374 [2020-10-24 00:17:39,778 INFO L226 Difference]: Without dead ends: 8615 [2020-10-24 00:17:39,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 121 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-10-24 00:17:39,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8615 states. [2020-10-24 00:17:42,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8615 to 6629. [2020-10-24 00:17:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6629 states. [2020-10-24 00:17:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6629 states to 6629 states and 7367 transitions. [2020-10-24 00:17:42,798 INFO L78 Accepts]: Start accepts. Automaton has 6629 states and 7367 transitions. Word has length 517 [2020-10-24 00:17:42,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:42,799 INFO L481 AbstractCegarLoop]: Abstraction has 6629 states and 7367 transitions. [2020-10-24 00:17:42,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:17:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 6629 states and 7367 transitions. [2020-10-24 00:17:42,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-10-24 00:17:42,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:42,825 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:17:42,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:17:42,826 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:17:42,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:42,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1627125848, now seen corresponding path program 1 times [2020-10-24 00:17:42,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:42,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450348221] [2020-10-24 00:17:42,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,221 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:43,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:17:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:17:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:17:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:17:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:17:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:17:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:17:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:17:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-10-24 00:17:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:17:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:17:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-10-24 00:17:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-10-24 00:17:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-24 00:17:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-10-24 00:17:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:17:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2020-10-24 00:17:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2020-10-24 00:17:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2020-10-24 00:17:43,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450348221] [2020-10-24 00:17:43,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:17:43,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:17:43,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444445416] [2020-10-24 00:17:43,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:17:43,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:43,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:17:43,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:17:43,871 INFO L87 Difference]: Start difference. First operand 6629 states and 7367 transitions. Second operand 19 states. [2020-10-24 00:17:44,539 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:44,977 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:45,315 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:17:45,650 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:45,980 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:17:46,299 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:47,328 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:47,672 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:49,594 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:50,006 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:50,333 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:50,874 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:52,043 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:52,377 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:53,568 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:53,899 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:54,219 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:57,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:57,472 INFO L93 Difference]: Finished difference Result 13371 states and 15248 transitions. [2020-10-24 00:17:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-24 00:17:57,472 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 531 [2020-10-24 00:17:57,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:57,504 INFO L225 Difference]: With dead ends: 13371 [2020-10-24 00:17:57,504 INFO L226 Difference]: Without dead ends: 7427 [2020-10-24 00:17:57,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=582, Invalid=2388, Unknown=0, NotChecked=0, Total=2970 [2020-10-24 00:17:57,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7427 states. [2020-10-24 00:18:00,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7427 to 6519. [2020-10-24 00:18:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6519 states. [2020-10-24 00:18:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6519 states to 6519 states and 7219 transitions. [2020-10-24 00:18:00,395 INFO L78 Accepts]: Start accepts. Automaton has 6519 states and 7219 transitions. Word has length 531 [2020-10-24 00:18:00,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:18:00,396 INFO L481 AbstractCegarLoop]: Abstraction has 6519 states and 7219 transitions. [2020-10-24 00:18:00,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:18:00,396 INFO L276 IsEmpty]: Start isEmpty. Operand 6519 states and 7219 transitions. [2020-10-24 00:18:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-10-24 00:18:00,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:18:00,420 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:18:00,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:18:00,421 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:18:00,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:18:00,421 INFO L82 PathProgramCache]: Analyzing trace with hash 942320534, now seen corresponding path program 1 times [2020-10-24 00:18:00,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:18:00,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950451623] [2020-10-24 00:18:00,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:18:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,789 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:18:00,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:18:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:18:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:18:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:18:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:18:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:18:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:18:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:18:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:00,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:18:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:18:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:18:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:18:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:18:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:18:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:18:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-10-24 00:18:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-10-24 00:18:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-10-24 00:18:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-10-24 00:18:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-10-24 00:18:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-10-24 00:18:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:01,466 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 140 proven. 36 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-10-24 00:18:01,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950451623] [2020-10-24 00:18:01,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:18:01,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:18:01,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604514523] [2020-10-24 00:18:01,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:18:01,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:18:01,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:18:01,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:18:01,468 INFO L87 Difference]: Start difference. First operand 6519 states and 7219 transitions. Second operand 18 states. [2020-10-24 00:18:02,198 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:03,919 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:04,347 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:05,011 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:18:05,674 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:18:05,993 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:18:06,593 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:18:06,926 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:18:07,323 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:07,683 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:08,036 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:08,363 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:10,127 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:10,479 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:16,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:18:16,901 INFO L93 Difference]: Finished difference Result 13736 states and 15839 transitions. [2020-10-24 00:18:16,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-24 00:18:16,901 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 532 [2020-10-24 00:18:16,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:18:16,940 INFO L225 Difference]: With dead ends: 13736 [2020-10-24 00:18:16,940 INFO L226 Difference]: Without dead ends: 9838 [2020-10-24 00:18:16,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 137 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=719, Invalid=3063, Unknown=0, NotChecked=0, Total=3782 [2020-10-24 00:18:16,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9838 states. [2020-10-24 00:18:20,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9838 to 7768. [2020-10-24 00:18:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7768 states. [2020-10-24 00:18:20,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 8578 transitions. [2020-10-24 00:18:20,392 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 8578 transitions. Word has length 532 [2020-10-24 00:18:20,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:18:20,393 INFO L481 AbstractCegarLoop]: Abstraction has 7768 states and 8578 transitions. [2020-10-24 00:18:20,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:18:20,393 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 8578 transitions. [2020-10-24 00:18:20,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2020-10-24 00:18:20,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:18:20,415 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:18:20,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:18:20,415 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:18:20,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:18:20,416 INFO L82 PathProgramCache]: Analyzing trace with hash -2101178366, now seen corresponding path program 1 times [2020-10-24 00:18:20,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:18:20,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153825181] [2020-10-24 00:18:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:18:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,793 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:18:20,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:18:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:18:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:18:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:18:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:18:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:18:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:18:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:20,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:18:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:18:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:18:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:18:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:18:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:18:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:18:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:18:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-24 00:18:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:18:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-10-24 00:18:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-10-24 00:18:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-10-24 00:18:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-10-24 00:18:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 129 proven. 64 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2020-10-24 00:18:21,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153825181] [2020-10-24 00:18:21,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:18:21,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:18:21,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808236210] [2020-10-24 00:18:21,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:18:21,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:18:21,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:18:21,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:18:21,552 INFO L87 Difference]: Start difference. First operand 7768 states and 8578 transitions. Second operand 18 states. [2020-10-24 00:18:22,214 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:24,035 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:24,390 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:25,072 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:18:25,375 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:26,053 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:18:26,372 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:18:27,059 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:18:27,393 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:18:27,807 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:18:28,201 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:18:28,568 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:18:28,894 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:30,002 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:30,373 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:31,077 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:18:31,829 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:18:32,493 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:18:33,403 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:33,760 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:36,784 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:37,862 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:38,215 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:38,850 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:18:39,514 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:18:40,121 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:18:47,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:18:47,488 INFO L93 Difference]: Finished difference Result 17895 states and 20785 transitions. [2020-10-24 00:18:47,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-10-24 00:18:47,489 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 543 [2020-10-24 00:18:47,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:18:47,539 INFO L225 Difference]: With dead ends: 17895 [2020-10-24 00:18:47,540 INFO L226 Difference]: Without dead ends: 13277 [2020-10-24 00:18:47,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 158 SyntacticMatches, 7 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3037 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=1590, Invalid=7530, Unknown=0, NotChecked=0, Total=9120 [2020-10-24 00:18:47,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13277 states. [2020-10-24 00:18:51,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13277 to 9460. [2020-10-24 00:18:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9460 states. [2020-10-24 00:18:51,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9460 states to 9460 states and 10416 transitions. [2020-10-24 00:18:51,708 INFO L78 Accepts]: Start accepts. Automaton has 9460 states and 10416 transitions. Word has length 543 [2020-10-24 00:18:51,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:18:51,709 INFO L481 AbstractCegarLoop]: Abstraction has 9460 states and 10416 transitions. [2020-10-24 00:18:51,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:18:51,709 INFO L276 IsEmpty]: Start isEmpty. Operand 9460 states and 10416 transitions. [2020-10-24 00:18:51,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2020-10-24 00:18:51,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:18:51,737 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:18:51,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:18:51,738 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:18:51,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:18:51,738 INFO L82 PathProgramCache]: Analyzing trace with hash 446611823, now seen corresponding path program 1 times [2020-10-24 00:18:51,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:18:51,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494654889] [2020-10-24 00:18:51,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:18:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,229 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:18:52,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:18:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:18:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:18:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:18:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:18:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:18:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:18:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-24 00:18:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:18:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:18:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:18:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:18:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-10-24 00:18:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-10-24 00:18:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:18:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:18:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-24 00:18:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-10-24 00:18:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:18:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:18:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-10-24 00:18:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-10-24 00:18:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-10-24 00:18:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2020-10-24 00:18:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:18:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2020-10-24 00:18:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2020-10-24 00:18:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 121 proven. 12 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2020-10-24 00:18:52,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494654889] [2020-10-24 00:18:52,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:18:52,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 00:18:52,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996889369] [2020-10-24 00:18:52,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:18:52,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:18:52,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:18:52,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:18:52,729 INFO L87 Difference]: Start difference. First operand 9460 states and 10416 transitions. Second operand 11 states. [2020-10-24 00:18:53,370 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:18:54,303 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:59,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:18:59,106 INFO L93 Difference]: Finished difference Result 11748 states and 13223 transitions. [2020-10-24 00:18:59,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-24 00:18:59,106 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 639 [2020-10-24 00:18:59,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:18:59,124 INFO L225 Difference]: With dead ends: 11748 [2020-10-24 00:18:59,124 INFO L226 Difference]: Without dead ends: 4368 [2020-10-24 00:18:59,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=291, Invalid=1115, Unknown=0, NotChecked=0, Total=1406 [2020-10-24 00:18:59,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4368 states. [2020-10-24 00:19:01,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4368 to 3884. [2020-10-24 00:19:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3884 states. [2020-10-24 00:19:01,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3884 states and 4172 transitions. [2020-10-24 00:19:01,123 INFO L78 Accepts]: Start accepts. Automaton has 3884 states and 4172 transitions. Word has length 639 [2020-10-24 00:19:01,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:19:01,124 INFO L481 AbstractCegarLoop]: Abstraction has 3884 states and 4172 transitions. [2020-10-24 00:19:01,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:19:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 3884 states and 4172 transitions. [2020-10-24 00:19:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2020-10-24 00:19:01,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:19:01,137 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:19:01,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:19:01,138 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:19:01,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:19:01,138 INFO L82 PathProgramCache]: Analyzing trace with hash -627168203, now seen corresponding path program 1 times [2020-10-24 00:19:01,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:19:01,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69670555] [2020-10-24 00:19:01,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:19:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,518 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:19:01,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:19:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:19:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:19:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:19:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:19:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:19:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:19:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:19:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:19:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:19:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:19:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:19:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-10-24 00:19:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:19:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:19:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:19:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:19:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-10-24 00:19:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:19:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:01,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:19:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-10-24 00:19:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-10-24 00:19:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2020-10-24 00:19:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-24 00:19:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-10-24 00:19:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:02,692 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 213 proven. 64 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2020-10-24 00:19:02,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69670555] [2020-10-24 00:19:02,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:19:02,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:19:02,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155047386] [2020-10-24 00:19:02,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:19:02,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:19:02,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:19:02,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:19:02,694 INFO L87 Difference]: Start difference. First operand 3884 states and 4172 transitions. Second operand 19 states. [2020-10-24 00:19:03,360 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:04,457 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:05,427 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:06,384 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:06,742 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:07,494 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:19:08,156 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:19:08,473 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:09,075 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:19:09,413 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:13,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:19:13,676 INFO L93 Difference]: Finished difference Result 6816 states and 7476 transitions. [2020-10-24 00:19:13,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-24 00:19:13,677 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 626 [2020-10-24 00:19:13,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:19:13,698 INFO L225 Difference]: With dead ends: 6816 [2020-10-24 00:19:13,698 INFO L226 Difference]: Without dead ends: 4327 [2020-10-24 00:19:13,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 158 SyntacticMatches, 10 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=622, Invalid=2348, Unknown=0, NotChecked=0, Total=2970 [2020-10-24 00:19:13,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4327 states. [2020-10-24 00:19:15,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4327 to 3711. [2020-10-24 00:19:15,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3711 states. [2020-10-24 00:19:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3711 states to 3711 states and 3957 transitions. [2020-10-24 00:19:15,445 INFO L78 Accepts]: Start accepts. Automaton has 3711 states and 3957 transitions. Word has length 626 [2020-10-24 00:19:15,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:19:15,446 INFO L481 AbstractCegarLoop]: Abstraction has 3711 states and 3957 transitions. [2020-10-24 00:19:15,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:19:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 3711 states and 3957 transitions. [2020-10-24 00:19:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2020-10-24 00:19:15,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:19:15,452 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:19:15,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-24 00:19:15,453 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:19:15,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:19:15,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1214476959, now seen corresponding path program 2 times [2020-10-24 00:19:15,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:19:15,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921936894] [2020-10-24 00:19:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:19:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,863 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:19:15,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:19:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:19:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:19:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:19:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:19:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:19:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:19:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:19:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:15,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:19:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:19:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:19:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:19:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-10-24 00:19:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:19:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:19:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:19:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:19:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-10-24 00:19:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:19:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:19:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-24 00:19:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-10-24 00:19:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-10-24 00:19:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-10-24 00:19:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-10-24 00:19:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:16,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-10-24 00:19:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:17,110 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 195 proven. 97 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2020-10-24 00:19:17,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921936894] [2020-10-24 00:19:17,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:19:17,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:19:17,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736087426] [2020-10-24 00:19:17,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:19:17,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:19:17,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:19:17,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:19:17,115 INFO L87 Difference]: Start difference. First operand 3711 states and 3957 transitions. Second operand 19 states. [2020-10-24 00:19:17,761 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:18,811 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:19,748 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:20,687 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:21,046 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:21,717 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:19:22,398 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:19:22,719 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:23,338 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:19:23,737 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:26,291 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:26,990 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:27,342 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:27,983 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:19:28,637 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:19:29,256 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:19:33,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:19:33,007 INFO L93 Difference]: Finished difference Result 7283 states and 7959 transitions. [2020-10-24 00:19:33,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-24 00:19:33,008 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 641 [2020-10-24 00:19:33,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:19:33,020 INFO L225 Difference]: With dead ends: 7283 [2020-10-24 00:19:33,021 INFO L226 Difference]: Without dead ends: 4967 [2020-10-24 00:19:33,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 174 SyntacticMatches, 9 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1635 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=1131, Invalid=4271, Unknown=0, NotChecked=0, Total=5402 [2020-10-24 00:19:33,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4967 states. [2020-10-24 00:19:35,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4967 to 4182. [2020-10-24 00:19:35,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4182 states. [2020-10-24 00:19:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 4457 transitions. [2020-10-24 00:19:35,363 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 4457 transitions. Word has length 641 [2020-10-24 00:19:35,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:19:35,363 INFO L481 AbstractCegarLoop]: Abstraction has 4182 states and 4457 transitions. [2020-10-24 00:19:35,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:19:35,363 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 4457 transitions. [2020-10-24 00:19:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2020-10-24 00:19:35,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:19:35,373 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:19:35,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-24 00:19:35,374 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:19:35,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:19:35,374 INFO L82 PathProgramCache]: Analyzing trace with hash 761863811, now seen corresponding path program 1 times [2020-10-24 00:19:35,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:19:35,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85534404] [2020-10-24 00:19:35,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:19:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,831 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:19:35,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:19:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:19:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:19:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:19:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:19:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:19:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:19:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:19:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:35,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:19:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:19:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:19:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:19:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:19:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:19:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:19:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:19:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-24 00:19:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:19:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-10-24 00:19:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:19:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:19:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2020-10-24 00:19:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-10-24 00:19:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-10-24 00:19:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:19:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-10-24 00:19:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-10-24 00:19:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 188 proven. 144 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2020-10-24 00:19:36,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85534404] [2020-10-24 00:19:36,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:19:36,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-24 00:19:36,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269768361] [2020-10-24 00:19:36,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-24 00:19:36,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:19:36,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-24 00:19:36,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:19:36,850 INFO L87 Difference]: Start difference. First operand 4182 states and 4457 transitions. Second operand 24 states. [2020-10-24 00:19:37,879 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-10-24 00:19:39,374 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-24 00:19:41,730 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:19:42,426 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:19:43,151 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:19:43,862 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:19:44,481 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-24 00:19:45,132 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:19:45,786 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-24 00:19:46,455 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:19:47,181 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-24 00:19:47,793 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:19:50,680 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-24 00:19:51,849 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-24 00:19:52,532 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-10-24 00:19:53,199 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-10-24 00:19:53,964 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-10-24 00:19:54,610 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-10-24 00:19:58,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:19:58,406 INFO L93 Difference]: Finished difference Result 7154 states and 7733 transitions. [2020-10-24 00:19:58,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-24 00:19:58,406 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 641 [2020-10-24 00:19:58,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:19:58,409 INFO L225 Difference]: With dead ends: 7154 [2020-10-24 00:19:58,409 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:19:58,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 163 SyntacticMatches, 11 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1554 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=801, Invalid=4749, Unknown=0, NotChecked=0, Total=5550 [2020-10-24 00:19:58,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:19:58,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:19:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:19:58,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:19:58,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 641 [2020-10-24 00:19:58,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:19:58,425 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:19:58,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-24 00:19:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:19:58,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:19:58,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-24 00:19:58,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:19:58,996 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:19:59,410 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-10-24 00:19:59,842 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 251 [2020-10-24 00:19:59,994 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-10-24 00:20:00,250 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 251 [2020-10-24 00:20:00,477 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-10-24 00:20:01,526 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 270 [2020-10-24 00:20:01,657 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 271 [2020-10-24 00:20:03,379 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-10-24 00:20:03,684 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-10-24 00:20:04,161 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-10-24 00:20:04,463 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-10-24 00:20:04,590 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 266 [2020-10-24 00:20:04,877 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-10-24 00:20:05,142 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-10-24 00:20:05,672 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-10-24 00:20:05,850 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-10-24 00:20:06,489 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-24 00:20:07,018 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-10-24 00:20:07,133 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 265 [2020-10-24 00:20:07,566 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-10-24 00:20:07,827 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-10-24 00:20:08,025 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 264 [2020-10-24 00:20:08,158 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 263 [2020-10-24 00:20:08,359 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 263 [2020-10-24 00:20:08,489 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 269 [2020-10-24 00:20:08,789 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-24 00:20:09,235 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 267 [2020-10-24 00:20:13,634 WARN L193 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 1027 DAG size of output: 677 [2020-10-24 00:20:13,841 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 279 [2020-10-24 00:20:14,030 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 273 [2020-10-24 00:20:15,262 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 252 [2020-10-24 00:20:15,452 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 254 [2020-10-24 00:20:17,859 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:20:20,272 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-10-24 00:20:20,576 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:20:20,733 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 258 [2020-10-24 00:20:21,464 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:20:21,645 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-10-24 00:20:22,959 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 269 [2020-10-24 00:20:23,159 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 270 [2020-10-24 00:20:23,417 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 268 [2020-10-24 00:20:23,629 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-10-24 00:20:23,854 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-10-24 00:20:24,106 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 264 [2020-10-24 00:20:24,625 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 257 [2020-10-24 00:20:24,729 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 259 [2020-10-24 00:20:25,328 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:20:25,616 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-10-24 00:20:26,143 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 267 [2020-10-24 00:20:26,370 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 269 [2020-10-24 00:20:27,402 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 284 [2020-10-24 00:20:27,645 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 285 [2020-10-24 00:20:27,962 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:20:28,163 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-10-24 00:20:29,024 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 252 [2020-10-24 00:20:29,218 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 254 [2020-10-24 00:20:30,307 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:20:30,508 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-10-24 00:20:31,484 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:20:31,658 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-10-24 00:20:37,306 WARN L193 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-10-24 00:20:43,768 WARN L193 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-10-24 00:20:45,334 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:20:45,518 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-10-24 00:20:48,056 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:20:48,288 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-10-24 00:20:51,657 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-10-24 00:20:51,998 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-10-24 00:20:57,283 WARN L193 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-10-24 00:21:00,095 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-10-24 00:21:04,853 WARN L193 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-10-24 00:21:08,514 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 922 DAG size of output: 638 [2020-10-24 00:21:13,502 WARN L193 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-10-24 00:21:13,736 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 252 [2020-10-24 00:21:13,941 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 265 [2020-10-24 00:21:16,766 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-10-24 00:21:26,753 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 258 [2020-10-24 00:21:26,939 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 256 [2020-10-24 00:21:31,145 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 985 DAG size of output: 648 [2020-10-24 00:21:31,403 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:21:31,690 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-10-24 00:21:32,355 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:21:32,701 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-10-24 00:21:33,059 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:21:34,495 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-10-24 00:21:34,638 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:21:35,730 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:21:35,922 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-10-24 00:21:37,093 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:21:41,226 WARN L193 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 985 DAG size of output: 648 [2020-10-24 00:21:41,389 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-10-24 00:21:42,174 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-10-24 00:21:42,358 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-10-24 00:21:45,192 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-10-24 00:21:45,597 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-10-24 00:21:49,313 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 281 [2020-10-24 00:21:49,520 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 283 [2020-10-24 00:21:52,595 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-10-24 00:21:53,446 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 279 [2020-10-24 00:21:53,635 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 273 [2020-10-24 00:21:54,824 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:21:55,018 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-10-24 00:21:57,163 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 269 [2020-10-24 00:21:58,038 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 267 [2020-10-24 00:22:00,438 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 274 [2020-10-24 00:22:00,630 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 272 [2020-10-24 00:22:04,005 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 222 [2020-10-24 00:22:04,143 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 222 [2020-10-24 00:22:04,564 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-10-24 00:22:04,669 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-10-24 00:22:04,902 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-10-24 00:22:05,290 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-10-24 00:22:05,546 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-10-24 00:22:06,097 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-10-24 00:22:06,235 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 222 [2020-10-24 00:22:06,883 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 225 [2020-10-24 00:22:07,359 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-10-24 00:22:07,497 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 222 [2020-10-24 00:22:07,989 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-10-24 00:22:08,105 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-10-24 00:22:08,282 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-10-24 00:22:09,145 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 225 [2020-10-24 00:22:09,992 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:22:10,182 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-10-24 00:22:12,330 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:22:12,561 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-10-24 00:22:16,746 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-10-24 00:22:19,277 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-10-24 00:22:24,676 WARN L193 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-10-24 00:22:24,859 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 274 [2020-10-24 00:22:25,053 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 272 [2020-10-24 00:22:26,223 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 275 [2020-10-24 00:22:26,486 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 279 [2020-10-24 00:22:26,723 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 266 [2020-10-24 00:22:31,923 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 268 [2020-10-24 00:22:32,117 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 269 [2020-10-24 00:22:34,153 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 262 [2020-10-24 00:22:34,405 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 261 [2020-10-24 00:22:36,411 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 265 [2020-10-24 00:22:41,231 WARN L193 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-10-24 00:22:43,316 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:22:45,533 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-10-24 00:22:45,718 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:22:46,524 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:22:46,689 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-10-24 00:22:49,040 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 268 [2020-10-24 00:22:49,238 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 269 [2020-10-24 00:22:51,274 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 262 [2020-10-24 00:22:51,525 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 261 [2020-10-24 00:22:53,534 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 265 [2020-10-24 00:22:56,076 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:22:56,266 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-10-24 00:23:03,452 WARN L193 SmtUtils]: Spent 6.54 s on a formula simplification. DAG size of input: 1267 DAG size of output: 889 [2020-10-24 00:23:05,953 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-10-24 00:23:06,276 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-10-24 00:23:06,383 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-10-24 00:23:06,754 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 268 [2020-10-24 00:23:06,896 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-10-24 00:23:11,211 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 985 DAG size of output: 648 [2020-10-24 00:23:18,874 WARN L193 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 1081 DAG size of output: 717 [2020-10-24 00:23:20,877 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 269 [2020-10-24 00:23:21,725 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 267 [2020-10-24 00:23:26,030 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:23:26,556 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:23:26,758 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:23:27,135 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:23:28,834 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 281 [2020-10-24 00:23:29,061 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 282 [2020-10-24 00:23:29,748 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:23:29,957 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 261 [2020-10-24 00:23:31,196 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 275 [2020-10-24 00:23:31,401 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 279 [2020-10-24 00:23:31,592 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 266 [2020-10-24 00:23:32,509 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 281 [2020-10-24 00:23:32,733 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 282 [2020-10-24 00:23:39,990 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 281 [2020-10-24 00:23:40,198 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 283 [2020-10-24 00:23:41,030 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:23:41,371 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-10-24 00:23:41,725 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:23:41,941 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:23:42,385 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-10-24 00:23:42,674 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:23:50,258 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 985 DAG size of output: 648 [2020-10-24 00:23:52,527 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 870 DAG size of output: 567 [2020-10-24 00:23:55,889 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:23:56,057 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:23:57,489 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:23:57,687 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 262 [2020-10-24 00:23:59,052 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-10-24 00:23:59,439 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 256 [2020-10-24 00:24:00,254 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 264 [2020-10-24 00:24:00,478 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 269 [2020-10-24 00:24:00,899 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-10-24 00:24:01,103 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-10-24 00:24:03,057 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-10-24 00:24:03,276 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 266 [2020-10-24 00:24:04,271 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 278 [2020-10-24 00:24:04,520 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2020-10-24 00:24:11,808 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 844 DAG size of output: 574 [2020-10-24 00:24:11,924 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 260 [2020-10-24 00:24:12,164 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 267 [2020-10-24 00:24:12,316 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2020-10-24 00:24:12,586 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:24:12,856 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 262 [2020-10-24 00:24:12,995 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:24:13,140 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 262 [2020-10-24 00:24:13,483 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2020-10-24 00:24:13,671 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 267 [2020-10-24 00:24:13,947 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 252 [2020-10-24 00:24:14,140 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 254 [2020-10-24 00:24:16,435 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 269 [2020-10-24 00:24:16,638 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 270 [2020-10-24 00:24:16,894 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 268 [2020-10-24 00:24:17,102 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-10-24 00:24:17,327 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-10-24 00:24:18,577 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:24:18,854 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-10-24 00:24:19,399 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 267 [2020-10-24 00:24:19,621 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 269 [2020-10-24 00:24:20,612 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 284 [2020-10-24 00:24:20,864 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 285 [2020-10-24 00:24:21,170 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:24:21,375 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2020-10-24 00:24:25,975 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 311 DAG size of output: 48 [2020-10-24 00:24:27,355 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 292 DAG size of output: 46 [2020-10-24 00:24:30,788 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 394 DAG size of output: 72 [2020-10-24 00:24:34,927 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 416 DAG size of output: 77 [2020-10-24 00:24:40,105 WARN L193 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 505 DAG size of output: 44 [2020-10-24 00:24:46,513 WARN L193 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 522 DAG size of output: 56 [2020-10-24 00:24:49,157 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 305 DAG size of output: 44 [2020-10-24 00:24:51,338 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 277 DAG size of output: 30 [2020-10-24 00:24:52,240 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2020-10-24 00:24:52,355 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-24 00:24:55,421 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 546 DAG size of output: 1 [2020-10-24 00:24:56,157 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 23 [2020-10-24 00:25:05,755 WARN L193 SmtUtils]: Spent 9.54 s on a formula simplification. DAG size of input: 653 DAG size of output: 63 [2020-10-24 00:25:07,782 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 280 DAG size of output: 38 [2020-10-24 00:25:08,556 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 26 [2020-10-24 00:25:09,423 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1 [2020-10-24 00:25:10,094 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 33 [2020-10-24 00:25:13,417 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 305 DAG size of output: 47 [2020-10-24 00:25:21,779 WARN L193 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 553 DAG size of output: 64 [2020-10-24 00:25:22,288 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:25:27,345 WARN L193 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 320 DAG size of output: 53 [2020-10-24 00:25:35,848 WARN L193 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 553 DAG size of output: 64 [2020-10-24 00:25:38,194 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 285 DAG size of output: 57 [2020-10-24 00:25:38,730 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:25:41,397 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 278 DAG size of output: 50 [2020-10-24 00:25:43,975 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 275 DAG size of output: 46 [2020-10-24 00:25:47,234 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 305 DAG size of output: 47 [2020-10-24 00:25:49,886 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 278 DAG size of output: 50 [2020-10-24 00:25:52,570 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 215 DAG size of output: 46 [2020-10-24 00:25:54,027 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 296 DAG size of output: 51 [2020-10-24 00:25:54,872 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1 [2020-10-24 00:25:59,017 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 375 DAG size of output: 77 [2020-10-24 00:26:00,520 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 296 DAG size of output: 51 [2020-10-24 00:26:00,724 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-10-24 00:26:00,869 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-24 00:26:01,569 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 28 [2020-10-24 00:26:04,388 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 214 DAG size of output: 46 [2020-10-24 00:26:06,533 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 279 DAG size of output: 30 [2020-10-24 00:26:14,691 WARN L193 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 553 DAG size of output: 64 [2020-10-24 00:26:16,659 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 273 DAG size of output: 31 [2020-10-24 00:26:19,856 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 388 DAG size of output: 56 [2020-10-24 00:26:27,851 WARN L193 SmtUtils]: Spent 7.99 s on a formula simplification. DAG size of input: 553 DAG size of output: 64 [2020-10-24 00:26:33,524 WARN L193 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 491 DAG size of output: 52 [2020-10-24 00:26:34,135 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 45 [2020-10-24 00:26:42,211 WARN L193 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 553 DAG size of output: 64 [2020-10-24 00:26:44,421 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 278 DAG size of output: 33 [2020-10-24 00:26:44,988 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-10-24 00:26:48,130 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 388 DAG size of output: 56 [2020-10-24 00:26:50,647 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 382 DAG size of output: 43 [2020-10-24 00:26:52,408 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 275 DAG size of output: 36 [2020-10-24 00:26:52,915 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:26:53,053 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-24 00:26:53,613 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-10-24 00:26:54,140 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-10-24 00:26:56,658 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 303 DAG size of output: 46 [2020-10-24 00:26:56,865 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 1 [2020-10-24 00:26:57,078 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-10-24 00:26:57,622 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-10-24 00:27:01,042 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 310 DAG size of output: 68 [2020-10-24 00:27:03,508 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 358 DAG size of output: 70 [2020-10-24 00:27:03,715 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 1 [2020-10-24 00:27:06,331 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 382 DAG size of output: 43 [2020-10-24 00:27:07,909 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 264 DAG size of output: 48 [2020-10-24 00:27:08,436 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 23 [2020-10-24 00:27:11,730 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 310 DAG size of output: 68 [2020-10-24 00:27:12,542 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 26 [2020-10-24 00:27:18,929 WARN L193 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 492 DAG size of output: 54 [2020-10-24 00:27:26,079 WARN L193 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 558 DAG size of output: 71 [2020-10-24 00:27:32,302 WARN L193 SmtUtils]: Spent 6.22 s on a formula simplification. DAG size of input: 492 DAG size of output: 54 [2020-10-24 00:27:35,432 WARN L193 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 394 DAG size of output: 40 [2020-10-24 00:27:36,026 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:27:36,830 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2020-10-24 00:27:38,224 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 281 DAG size of output: 50 [2020-10-24 00:27:40,172 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 275 DAG size of output: 34 [2020-10-24 00:27:42,732 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 386 DAG size of output: 51 [2020-10-24 00:27:42,843 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-24 00:27:43,556 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 26 [2020-10-24 00:27:46,748 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 301 DAG size of output: 51 [2020-10-24 00:27:47,502 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 29 [2020-10-24 00:27:47,707 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-10-24 00:27:48,390 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 28 [2020-10-24 00:27:50,800 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 315 DAG size of output: 49 [2020-10-24 00:27:52,482 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 269 DAG size of output: 45 [2020-10-24 00:27:55,653 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 388 DAG size of output: 56 [2020-10-24 00:27:58,129 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 215 DAG size of output: 42 [2020-10-24 00:28:00,754 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 305 DAG size of output: 44 [2020-10-24 00:28:01,630 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 1