/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:45:56,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:45:56,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:45:56,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:45:56,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:45:56,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:45:56,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:45:56,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:45:56,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:45:56,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:45:56,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:45:56,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:45:56,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:45:56,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:45:56,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:45:56,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:45:56,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:45:56,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:45:56,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:45:56,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:45:56,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:45:56,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:45:56,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:45:56,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:45:56,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:45:56,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:45:56,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:45:56,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:45:56,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:45:56,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:45:56,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:45:56,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:45:56,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:45:56,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:45:56,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:45:56,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:45:56,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:45:56,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:45:56,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:45:56,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:45:56,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:45:56,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 12:45:56,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:45:56,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:45:56,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:45:56,388 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:45:56,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:45:56,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:45:56,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:45:56,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:45:56,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:45:56,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:45:56,391 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:45:56,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:45:56,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:45:56,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:45:56,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:45:56,392 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:45:56,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:45:56,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:45:56,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:45:56,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:45:56,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:45:56,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:45:56,393 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:45:56,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:45:56,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:45:56,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:45:56,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:45:56,671 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:45:56,672 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-07 12:45:56,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22e539d8b/12aa68763f21450b88345e24257477d2/FLAG41743d21d [2020-07-07 12:45:57,239 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:45:57,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-07 12:45:57,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22e539d8b/12aa68763f21450b88345e24257477d2/FLAG41743d21d [2020-07-07 12:45:57,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22e539d8b/12aa68763f21450b88345e24257477d2 [2020-07-07 12:45:57,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:45:57,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:45:57,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:45:57,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:45:57,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:45:57,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:45:57" (1/1) ... [2020-07-07 12:45:57,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a43faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:57, skipping insertion in model container [2020-07-07 12:45:57,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:45:57" (1/1) ... [2020-07-07 12:45:57,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:45:57,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:45:58,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:45:58,089 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:45:58,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:45:58,255 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:45:58,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:58 WrapperNode [2020-07-07 12:45:58,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:45:58,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:45:58,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:45:58,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:45:58,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:58" (1/1) ... [2020-07-07 12:45:58,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:58" (1/1) ... [2020-07-07 12:45:58,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:58" (1/1) ... [2020-07-07 12:45:58,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:58" (1/1) ... [2020-07-07 12:45:58,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:58" (1/1) ... [2020-07-07 12:45:58,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:58" (1/1) ... [2020-07-07 12:45:58,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:58" (1/1) ... [2020-07-07 12:45:58,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:45:58,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:45:58,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:45:58,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:45:58,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:58" (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 [2020-07-07 12:45:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:45:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:45:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:45:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:45:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:45:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:45:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:45:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:45:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:45:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:45:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:45:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:45:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:45:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:45:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:45:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 12:45:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:45:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:45:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:45:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:45:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:45:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:45:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 12:45:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 12:45:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:45:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:45:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:45:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:45:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:45:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:45:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:45:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:45:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:45:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:45:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:45:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:45:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:45:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:45:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:45:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:45:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:45:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:45:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:45:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:45:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:45:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:45:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:45:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:45:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:45:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:45:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:45:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:45:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:45:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:45:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:45:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:45:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:45:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:45:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:45:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:45:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:45:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:45:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:45:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:45:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:45:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:45:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 12:45:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 12:45:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:45:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:45:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:45:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:45:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:45:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:45:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:45:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:45:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:45:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:45:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:45:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:45:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:45:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:45:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:45:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:45:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:45:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:45:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 12:45:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:45:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:45:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:45:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:45:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:45:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:45:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:45:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:45:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:45:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:45:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:45:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:45:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:45:59,750 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:45:59,750 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:45:59,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:45:59 BoogieIcfgContainer [2020-07-07 12:45:59,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:45:59,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:45:59,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:45:59,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:45:59,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:45:57" (1/3) ... [2020-07-07 12:45:59,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7a495f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:45:59, skipping insertion in model container [2020-07-07 12:45:59,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:58" (2/3) ... [2020-07-07 12:45:59,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7a495f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:45:59, skipping insertion in model container [2020-07-07 12:45:59,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:45:59" (3/3) ... [2020-07-07 12:45:59,769 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2020-07-07 12:45:59,779 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:45:59,787 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:45:59,800 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:45:59,820 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:45:59,821 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:45:59,821 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:45:59,821 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:45:59,821 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:45:59,821 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:45:59,822 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:45:59,822 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:45:59,844 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states. [2020-07-07 12:45:59,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 12:45:59,866 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:59,868 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] [2020-07-07 12:45:59,868 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:59,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:59,875 INFO L82 PathProgramCache]: Analyzing trace with hash 242208481, now seen corresponding path program 1 times [2020-07-07 12:45:59,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:59,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975990874] [2020-07-07 12:45:59,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,675 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:46:00,890 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:00,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975990874] [2020-07-07 12:46:00,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:00,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:46:00,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978463602] [2020-07-07 12:46:00,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:46:00,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:00,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:46:00,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:46:00,930 INFO L87 Difference]: Start difference. First operand 338 states. Second operand 4 states. [2020-07-07 12:46:02,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:02,366 INFO L93 Difference]: Finished difference Result 540 states and 636 transitions. [2020-07-07 12:46:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 12:46:02,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-07-07 12:46:02,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:02,395 INFO L225 Difference]: With dead ends: 540 [2020-07-07 12:46:02,395 INFO L226 Difference]: Without dead ends: 338 [2020-07-07 12:46:02,404 INFO L675 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 [2020-07-07 12:46:02,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-07-07 12:46:02,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 287. [2020-07-07 12:46:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-07-07 12:46:02,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 314 transitions. [2020-07-07 12:46:02,595 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 314 transitions. Word has length 160 [2020-07-07 12:46:02,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:02,596 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 314 transitions. [2020-07-07 12:46:02,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:46:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 314 transitions. [2020-07-07 12:46:02,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-07 12:46:02,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:02,602 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] [2020-07-07 12:46:02,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:46:02,603 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:02,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:02,603 INFO L82 PathProgramCache]: Analyzing trace with hash 424618484, now seen corresponding path program 1 times [2020-07-07 12:46:02,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:02,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145495383] [2020-07-07 12:46:02,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:02,986 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:46:03,089 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:03,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145495383] [2020-07-07 12:46:03,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:03,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 12:46:03,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560196948] [2020-07-07 12:46:03,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 12:46:03,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:03,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 12:46:03,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 12:46:03,092 INFO L87 Difference]: Start difference. First operand 287 states and 314 transitions. Second operand 5 states. [2020-07-07 12:46:03,754 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:04,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:04,852 INFO L93 Difference]: Finished difference Result 459 states and 520 transitions. [2020-07-07 12:46:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 12:46:04,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-07 12:46:04,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:04,860 INFO L225 Difference]: With dead ends: 459 [2020-07-07 12:46:04,861 INFO L226 Difference]: Without dead ends: 327 [2020-07-07 12:46:04,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 12:46:04,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-07 12:46:04,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 277. [2020-07-07 12:46:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-07-07 12:46:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 301 transitions. [2020-07-07 12:46:04,960 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 301 transitions. Word has length 161 [2020-07-07 12:46:04,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:04,961 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 301 transitions. [2020-07-07 12:46:04,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 12:46:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2020-07-07 12:46:04,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-07 12:46:04,964 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:04,965 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] [2020-07-07 12:46:04,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:46:04,965 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:04,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:04,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1558569605, now seen corresponding path program 1 times [2020-07-07 12:46:04,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:04,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525733316] [2020-07-07 12:46:04,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,302 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:46:05,457 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:05,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525733316] [2020-07-07 12:46:05,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:05,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:46:05,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471683395] [2020-07-07 12:46:05,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:46:05,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:05,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:46:05,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:46:05,461 INFO L87 Difference]: Start difference. First operand 277 states and 301 transitions. Second operand 11 states. [2020-07-07 12:46:06,218 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:06,541 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:06,781 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:07,030 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:07,290 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:07,514 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:08,660 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:11,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:11,060 INFO L93 Difference]: Finished difference Result 772 states and 900 transitions. [2020-07-07 12:46:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:46:11,060 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-07-07 12:46:11,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:11,067 INFO L225 Difference]: With dead ends: 772 [2020-07-07 12:46:11,067 INFO L226 Difference]: Without dead ends: 610 [2020-07-07 12:46:11,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-07 12:46:11,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2020-07-07 12:46:11,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 507. [2020-07-07 12:46:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-07-07 12:46:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 571 transitions. [2020-07-07 12:46:11,263 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 571 transitions. Word has length 174 [2020-07-07 12:46:11,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:11,263 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 571 transitions. [2020-07-07 12:46:11,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:46:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 571 transitions. [2020-07-07 12:46:11,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-07 12:46:11,267 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:11,267 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] [2020-07-07 12:46:11,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:46:11,268 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:11,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:11,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1499637602, now seen corresponding path program 1 times [2020-07-07 12:46:11,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:11,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787605787] [2020-07-07 12:46:11,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,596 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-07 12:46:11,779 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:11,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787605787] [2020-07-07 12:46:11,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:11,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 12:46:11,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407005842] [2020-07-07 12:46:11,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 12:46:11,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:11,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 12:46:11,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-07 12:46:11,784 INFO L87 Difference]: Start difference. First operand 507 states and 571 transitions. Second operand 10 states. [2020-07-07 12:46:12,292 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:13,191 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:13,423 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:14,567 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:14,805 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:15,037 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:15,356 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:15,576 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:15,842 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:16,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:16,692 INFO L93 Difference]: Finished difference Result 1194 states and 1427 transitions. [2020-07-07 12:46:16,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 12:46:16,693 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-07-07 12:46:16,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:16,699 INFO L225 Difference]: With dead ends: 1194 [2020-07-07 12:46:16,699 INFO L226 Difference]: Without dead ends: 802 [2020-07-07 12:46:16,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:46:16,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2020-07-07 12:46:16,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 709. [2020-07-07 12:46:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-07-07 12:46:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 795 transitions. [2020-07-07 12:46:16,954 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 795 transitions. Word has length 179 [2020-07-07 12:46:16,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:16,955 INFO L479 AbstractCegarLoop]: Abstraction has 709 states and 795 transitions. [2020-07-07 12:46:16,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 12:46:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 795 transitions. [2020-07-07 12:46:16,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-07 12:46:16,961 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:16,962 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] [2020-07-07 12:46:16,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:46:16,962 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:16,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:16,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1825094604, now seen corresponding path program 1 times [2020-07-07 12:46:16,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:16,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523624749] [2020-07-07 12:46:16,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,292 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:17,685 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:17,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523624749] [2020-07-07 12:46:17,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:17,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:46:17,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816688099] [2020-07-07 12:46:17,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:46:17,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:17,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:46:17,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:46:17,690 INFO L87 Difference]: Start difference. First operand 709 states and 795 transitions. Second operand 11 states. [2020-07-07 12:46:19,480 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:19,727 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:46:20,009 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:46:20,250 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:20,509 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:20,728 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:22,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:22,062 INFO L93 Difference]: Finished difference Result 1515 states and 1828 transitions. [2020-07-07 12:46:22,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 12:46:22,064 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-07-07 12:46:22,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:22,069 INFO L225 Difference]: With dead ends: 1515 [2020-07-07 12:46:22,070 INFO L226 Difference]: Without dead ends: 921 [2020-07-07 12:46:22,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-07 12:46:22,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-07-07 12:46:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 728. [2020-07-07 12:46:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-07-07 12:46:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 815 transitions. [2020-07-07 12:46:22,303 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 815 transitions. Word has length 234 [2020-07-07 12:46:22,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:22,303 INFO L479 AbstractCegarLoop]: Abstraction has 728 states and 815 transitions. [2020-07-07 12:46:22,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:46:22,304 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 815 transitions. [2020-07-07 12:46:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-07 12:46:22,308 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:22,308 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] [2020-07-07 12:46:22,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:46:22,309 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:22,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:22,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1802126292, now seen corresponding path program 1 times [2020-07-07 12:46:22,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:22,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129800826] [2020-07-07 12:46:22,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,648 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:22,918 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:22,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129800826] [2020-07-07 12:46:22,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:22,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:46:22,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971141140] [2020-07-07 12:46:22,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:46:22,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:22,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:46:22,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:46:22,920 INFO L87 Difference]: Start difference. First operand 728 states and 815 transitions. Second operand 14 states. [2020-07-07 12:46:23,621 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:23,854 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:46:24,124 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:24,344 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:24,565 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:25,733 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:25,980 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:26,325 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:26,597 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:26,840 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:28,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:28,345 INFO L93 Difference]: Finished difference Result 1552 states and 1866 transitions. [2020-07-07 12:46:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:46:28,346 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 234 [2020-07-07 12:46:28,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:28,352 INFO L225 Difference]: With dead ends: 1552 [2020-07-07 12:46:28,352 INFO L226 Difference]: Without dead ends: 939 [2020-07-07 12:46:28,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-07 12:46:28,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-07-07 12:46:28,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 740. [2020-07-07 12:46:28,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-07-07 12:46:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 827 transitions. [2020-07-07 12:46:28,567 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 827 transitions. Word has length 234 [2020-07-07 12:46:28,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:28,567 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 827 transitions. [2020-07-07 12:46:28,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:46:28,568 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 827 transitions. [2020-07-07 12:46:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-07 12:46:28,572 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:28,572 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] [2020-07-07 12:46:28,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 12:46:28,573 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:28,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:28,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1075021015, now seen corresponding path program 1 times [2020-07-07 12:46:28,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:28,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434301291] [2020-07-07 12:46:28,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,842 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:29,061 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:29,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434301291] [2020-07-07 12:46:29,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:29,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:46:29,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569516091] [2020-07-07 12:46:29,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:46:29,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:29,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:46:29,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:46:29,063 INFO L87 Difference]: Start difference. First operand 740 states and 827 transitions. Second operand 8 states. [2020-07-07 12:46:29,506 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:30,131 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:32,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:32,945 INFO L93 Difference]: Finished difference Result 2321 states and 2826 transitions. [2020-07-07 12:46:32,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-07 12:46:32,951 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-07-07 12:46:32,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:32,961 INFO L225 Difference]: With dead ends: 2321 [2020-07-07 12:46:32,961 INFO L226 Difference]: Without dead ends: 1696 [2020-07-07 12:46:32,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-07-07 12:46:32,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2020-07-07 12:46:33,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1428. [2020-07-07 12:46:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-07-07 12:46:33,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1624 transitions. [2020-07-07 12:46:33,629 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1624 transitions. Word has length 234 [2020-07-07 12:46:33,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:33,629 INFO L479 AbstractCegarLoop]: Abstraction has 1428 states and 1624 transitions. [2020-07-07 12:46:33,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:46:33,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1624 transitions. [2020-07-07 12:46:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-07 12:46:33,635 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:33,635 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] [2020-07-07 12:46:33,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 12:46:33,636 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:33,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:33,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1371063584, now seen corresponding path program 1 times [2020-07-07 12:46:33,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:33,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775434292] [2020-07-07 12:46:33,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,003 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:34,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:34,372 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:34,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775434292] [2020-07-07 12:46:34,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:34,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 12:46:34,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613263352] [2020-07-07 12:46:34,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 12:46:34,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:34,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 12:46:34,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:46:34,374 INFO L87 Difference]: Start difference. First operand 1428 states and 1624 transitions. Second operand 15 states. [2020-07-07 12:46:35,071 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 12:46:35,822 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:37,032 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 12:46:37,490 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:46:37,797 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:38,047 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:38,515 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 12:46:38,770 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:39,056 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:39,298 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:42,707 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 12:46:43,235 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:43,457 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:43,763 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:44,971 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 12:46:45,481 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 12:46:45,955 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 12:46:46,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:46,713 INFO L93 Difference]: Finished difference Result 4367 states and 5340 transitions. [2020-07-07 12:46:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-07 12:46:46,714 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-07-07 12:46:46,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:46,733 INFO L225 Difference]: With dead ends: 4367 [2020-07-07 12:46:46,733 INFO L226 Difference]: Without dead ends: 3335 [2020-07-07 12:46:46,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=829, Invalid=3331, Unknown=0, NotChecked=0, Total=4160 [2020-07-07 12:46:46,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2020-07-07 12:46:47,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 2625. [2020-07-07 12:46:47,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2625 states. [2020-07-07 12:46:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 2965 transitions. [2020-07-07 12:46:47,777 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 2965 transitions. Word has length 239 [2020-07-07 12:46:47,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:47,777 INFO L479 AbstractCegarLoop]: Abstraction has 2625 states and 2965 transitions. [2020-07-07 12:46:47,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 12:46:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 2965 transitions. [2020-07-07 12:46:47,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-07-07 12:46:47,782 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:47,782 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, 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] [2020-07-07 12:46:47,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 12:46:47,783 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:47,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:47,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1120150761, now seen corresponding path program 1 times [2020-07-07 12:46:47,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:47,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225139821] [2020-07-07 12:46:47,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,142 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:48,769 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:48,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225139821] [2020-07-07 12:46:48,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:48,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:46:48,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133201947] [2020-07-07 12:46:48,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:46:48,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:48,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:46:48,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:46:48,773 INFO L87 Difference]: Start difference. First operand 2625 states and 2965 transitions. Second operand 19 states. [2020-07-07 12:46:49,714 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:49,981 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:46:50,312 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:50,549 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:50,774 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:51,684 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 12:46:52,131 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:46:52,379 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:46:52,658 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:46:52,918 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:53,246 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:46:53,590 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-07-07 12:46:53,912 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:46:56,098 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:57,255 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:46:57,776 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:46:58,286 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:46:58,726 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:59,427 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:59,984 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:47:00,301 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:47:00,904 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 12:47:01,433 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-07 12:47:02,630 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-07-07 12:47:03,162 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:03,705 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-07-07 12:47:05,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:05,670 INFO L93 Difference]: Finished difference Result 5946 states and 6998 transitions. [2020-07-07 12:47:05,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-07-07 12:47:05,674 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 325 [2020-07-07 12:47:05,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:05,694 INFO L225 Difference]: With dead ends: 5946 [2020-07-07 12:47:05,694 INFO L226 Difference]: Without dead ends: 3702 [2020-07-07 12:47:05,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2459 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1409, Invalid=6601, Unknown=0, NotChecked=0, Total=8010 [2020-07-07 12:47:05,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2020-07-07 12:47:06,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3051. [2020-07-07 12:47:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3051 states. [2020-07-07 12:47:06,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 3394 transitions. [2020-07-07 12:47:06,712 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 3394 transitions. Word has length 325 [2020-07-07 12:47:06,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:06,713 INFO L479 AbstractCegarLoop]: Abstraction has 3051 states and 3394 transitions. [2020-07-07 12:47:06,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:47:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3394 transitions. [2020-07-07 12:47:06,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-07-07 12:47:06,726 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:06,727 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 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, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:47:06,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 12:47:06,727 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:06,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:06,727 INFO L82 PathProgramCache]: Analyzing trace with hash 450550555, now seen corresponding path program 1 times [2020-07-07 12:47:06,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:06,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29293129] [2020-07-07 12:47:06,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,105 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:47:08,007 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:08,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29293129] [2020-07-07 12:47:08,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:08,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:47:08,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360954249] [2020-07-07 12:47:08,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:47:08,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:08,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:47:08,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:47:08,010 INFO L87 Difference]: Start difference. First operand 3051 states and 3394 transitions. Second operand 18 states. [2020-07-07 12:47:09,666 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:47:09,918 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:10,179 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:10,441 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:10,676 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:10,932 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:12,412 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:12,685 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:16,430 INFO L93 Difference]: Finished difference Result 8768 states and 10283 transitions. [2020-07-07 12:47:16,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-07-07 12:47:16,431 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 572 [2020-07-07 12:47:16,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:16,462 INFO L225 Difference]: With dead ends: 8768 [2020-07-07 12:47:16,462 INFO L226 Difference]: Without dead ends: 5317 [2020-07-07 12:47:16,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 136 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-07-07 12:47:16,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2020-07-07 12:47:18,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 4152. [2020-07-07 12:47:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4152 states. [2020-07-07 12:47:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4152 states to 4152 states and 4701 transitions. [2020-07-07 12:47:18,071 INFO L78 Accepts]: Start accepts. Automaton has 4152 states and 4701 transitions. Word has length 572 [2020-07-07 12:47:18,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:18,072 INFO L479 AbstractCegarLoop]: Abstraction has 4152 states and 4701 transitions. [2020-07-07 12:47:18,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:47:18,072 INFO L276 IsEmpty]: Start isEmpty. Operand 4152 states and 4701 transitions. [2020-07-07 12:47:18,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2020-07-07 12:47:18,086 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:18,087 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:47:18,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 12:47:18,087 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:18,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:18,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1961874768, now seen corresponding path program 1 times [2020-07-07 12:47:18,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:18,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743530136] [2020-07-07 12:47:18,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,482 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-07 12:47:19,370 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:19,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743530136] [2020-07-07 12:47:19,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:19,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-07-07 12:47:19,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892668885] [2020-07-07 12:47:19,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 12:47:19,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:19,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 12:47:19,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-07-07 12:47:19,373 INFO L87 Difference]: Start difference. First operand 4152 states and 4701 transitions. Second operand 20 states. [2020-07-07 12:47:19,870 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:20,207 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:20,460 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:20,709 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:20,951 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:47:21,182 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:22,213 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:22,484 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:24,396 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:24,842 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:25,244 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:25,875 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:27,368 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:27,782 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:29,264 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:29,674 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:29,932 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:31,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:31,925 INFO L93 Difference]: Finished difference Result 8388 states and 9772 transitions. [2020-07-07 12:47:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-07-07 12:47:31,926 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 586 [2020-07-07 12:47:31,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:31,951 INFO L225 Difference]: With dead ends: 8388 [2020-07-07 12:47:31,951 INFO L226 Difference]: Without dead ends: 4653 [2020-07-07 12:47:31,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=676, Invalid=2746, Unknown=0, NotChecked=0, Total=3422 [2020-07-07 12:47:31,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4653 states. [2020-07-07 12:47:33,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 4053. [2020-07-07 12:47:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4053 states. [2020-07-07 12:47:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 4560 transitions. [2020-07-07 12:47:33,592 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 4560 transitions. Word has length 586 [2020-07-07 12:47:33,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:33,593 INFO L479 AbstractCegarLoop]: Abstraction has 4053 states and 4560 transitions. [2020-07-07 12:47:33,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 12:47:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 4560 transitions. [2020-07-07 12:47:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-07-07 12:47:33,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:33,608 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:47:33,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 12:47:33,608 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:33,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:33,609 INFO L82 PathProgramCache]: Analyzing trace with hash 488577479, now seen corresponding path program 1 times [2020-07-07 12:47:33,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:33,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025494840] [2020-07-07 12:47:33,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:33,946 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:47:34,519 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:34,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025494840] [2020-07-07 12:47:34,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:34,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:47:34,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489481255] [2020-07-07 12:47:34,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:47:34,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:34,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:47:34,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:47:34,522 INFO L87 Difference]: Start difference. First operand 4053 states and 4560 transitions. Second operand 17 states. [2020-07-07 12:47:35,024 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:36,056 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:47:38,491 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:38,794 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:39,125 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:39,429 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:39,704 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:39,981 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:40,245 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:40,513 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:40,778 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:41,083 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:41,341 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:41,613 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:43,682 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:44,213 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-07-07 12:47:44,786 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 12:47:45,050 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:45,339 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:47:45,607 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:47:48,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:48,568 INFO L93 Difference]: Finished difference Result 12550 states and 14704 transitions. [2020-07-07 12:47:48,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-07-07 12:47:48,569 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 532 [2020-07-07 12:47:48,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:48,620 INFO L225 Difference]: With dead ends: 12550 [2020-07-07 12:47:48,620 INFO L226 Difference]: Without dead ends: 8625 [2020-07-07 12:47:48,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=843, Invalid=3447, Unknown=0, NotChecked=0, Total=4290 [2020-07-07 12:47:48,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8625 states. [2020-07-07 12:47:52,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8625 to 7511. [2020-07-07 12:47:52,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7511 states. [2020-07-07 12:47:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7511 states to 7511 states and 8356 transitions. [2020-07-07 12:47:52,204 INFO L78 Accepts]: Start accepts. Automaton has 7511 states and 8356 transitions. Word has length 532 [2020-07-07 12:47:52,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:52,205 INFO L479 AbstractCegarLoop]: Abstraction has 7511 states and 8356 transitions. [2020-07-07 12:47:52,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:47:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 7511 states and 8356 transitions. [2020-07-07 12:47:52,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-07-07 12:47:52,227 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:52,227 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 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, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:47:52,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-07 12:47:52,228 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:52,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:52,228 INFO L82 PathProgramCache]: Analyzing trace with hash 911727610, now seen corresponding path program 1 times [2020-07-07 12:47:52,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:52,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579925213] [2020-07-07 12:47:52,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,562 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:47:53,554 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:53,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579925213] [2020-07-07 12:47:53,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:53,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-07-07 12:47:53,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221900181] [2020-07-07 12:47:53,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 12:47:53,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:53,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 12:47:53,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-07-07 12:47:53,557 INFO L87 Difference]: Start difference. First operand 7511 states and 8356 transitions. Second operand 24 states. [2020-07-07 12:47:54,157 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:54,652 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:54,920 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:55,181 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:55,431 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:47:55,670 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:56,638 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:59,281 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:59,589 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:59,940 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:00,270 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:00,533 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:00,805 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:01,057 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:01,334 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:01,599 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:01,918 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:02,184 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:02,464 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:03,053 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:48:03,668 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:48:04,146 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:48:10,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:48:10,574 INFO L93 Difference]: Finished difference Result 16157 states and 18787 transitions. [2020-07-07 12:48:10,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-07-07 12:48:10,575 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 592 [2020-07-07 12:48:10,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:48:10,617 INFO L225 Difference]: With dead ends: 16157 [2020-07-07 12:48:10,617 INFO L226 Difference]: Without dead ends: 9342 [2020-07-07 12:48:10,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 151 SyntacticMatches, 3 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2180 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=1338, Invalid=5972, Unknown=0, NotChecked=0, Total=7310 [2020-07-07 12:48:10,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9342 states. [2020-07-07 12:48:13,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9342 to 7153. [2020-07-07 12:48:13,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7153 states. [2020-07-07 12:48:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7153 states to 7153 states and 7913 transitions. [2020-07-07 12:48:13,087 INFO L78 Accepts]: Start accepts. Automaton has 7153 states and 7913 transitions. Word has length 592 [2020-07-07 12:48:13,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:48:13,088 INFO L479 AbstractCegarLoop]: Abstraction has 7153 states and 7913 transitions. [2020-07-07 12:48:13,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 12:48:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 7153 states and 7913 transitions. [2020-07-07 12:48:13,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2020-07-07 12:48:13,103 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:48:13,103 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 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, 4, 4, 4, 4, 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] [2020-07-07 12:48:13,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 12:48:13,104 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:48:13,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:48:13,104 INFO L82 PathProgramCache]: Analyzing trace with hash 623386669, now seen corresponding path program 1 times [2020-07-07 12:48:13,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:48:13,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351988718] [2020-07-07 12:48:13,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:48:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,495 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:48:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:48:14,157 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:48:14,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351988718] [2020-07-07 12:48:14,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:48:14,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:48:14,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860903051] [2020-07-07 12:48:14,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:48:14,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:48:14,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:48:14,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:48:14,160 INFO L87 Difference]: Start difference. First operand 7153 states and 7913 transitions. Second operand 19 states. [2020-07-07 12:48:14,666 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:16,495 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:16,767 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:17,258 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:48:17,527 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:48:17,989 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:48:18,246 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:48:18,684 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:48:18,977 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:19,271 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:19,520 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:19,776 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:21,374 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:21,648 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:27,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:48:27,976 INFO L93 Difference]: Finished difference Result 15137 states and 17454 transitions. [2020-07-07 12:48:27,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-07 12:48:27,977 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 595 [2020-07-07 12:48:27,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:48:28,021 INFO L225 Difference]: With dead ends: 15137 [2020-07-07 12:48:28,021 INFO L226 Difference]: Without dead ends: 10872 [2020-07-07 12:48:28,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 151 SyntacticMatches, 7 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=793, Invalid=3497, Unknown=0, NotChecked=0, Total=4290 [2020-07-07 12:48:28,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10872 states. [2020-07-07 12:48:31,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10872 to 8801. [2020-07-07 12:48:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8801 states. [2020-07-07 12:48:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8801 states to 8801 states and 9707 transitions. [2020-07-07 12:48:31,028 INFO L78 Accepts]: Start accepts. Automaton has 8801 states and 9707 transitions. Word has length 595 [2020-07-07 12:48:31,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:48:31,029 INFO L479 AbstractCegarLoop]: Abstraction has 8801 states and 9707 transitions. [2020-07-07 12:48:31,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:48:31,029 INFO L276 IsEmpty]: Start isEmpty. Operand 8801 states and 9707 transitions. [2020-07-07 12:48:31,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-07-07 12:48:31,051 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:48:31,052 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, 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] [2020-07-07 12:48:31,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-07 12:48:31,052 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:48:31,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:48:31,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1785183203, now seen corresponding path program 1 times [2020-07-07 12:48:31,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:48:31,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424824211] [2020-07-07 12:48:31,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:48:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,382 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:48:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:32,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:48:32,143 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:48:32,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424824211] [2020-07-07 12:48:32,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:48:32,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-07-07 12:48:32,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841025220] [2020-07-07 12:48:32,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-07 12:48:32,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:48:32,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-07 12:48:32,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:48:32,146 INFO L87 Difference]: Start difference. First operand 8801 states and 9707 transitions. Second operand 23 states. [2020-07-07 12:48:32,826 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:33,192 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:48:33,458 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:48:33,722 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:34,648 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:48:34,901 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:35,887 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:38,638 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:38,939 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:39,280 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:39,609 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:39,873 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:40,151 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:40,403 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:40,686 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:40,956 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:41,283 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:41,552 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:41,832 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:44,336 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:48:44,861 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:48:45,338 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:48:49,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:48:49,584 INFO L93 Difference]: Finished difference Result 18645 states and 21441 transitions. [2020-07-07 12:48:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-07-07 12:48:49,584 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 553 [2020-07-07 12:48:49,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:48:49,626 INFO L225 Difference]: With dead ends: 18645 [2020-07-07 12:48:49,627 INFO L226 Difference]: Without dead ends: 10540 [2020-07-07 12:48:49,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2175 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=1316, Invalid=5994, Unknown=0, NotChecked=0, Total=7310 [2020-07-07 12:48:49,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10540 states. [2020-07-07 12:48:52,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10540 to 8115. [2020-07-07 12:48:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8115 states. [2020-07-07 12:48:52,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8115 states to 8115 states and 8947 transitions. [2020-07-07 12:48:52,798 INFO L78 Accepts]: Start accepts. Automaton has 8115 states and 8947 transitions. Word has length 553 [2020-07-07 12:48:52,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:48:52,798 INFO L479 AbstractCegarLoop]: Abstraction has 8115 states and 8947 transitions. [2020-07-07 12:48:52,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-07 12:48:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 8115 states and 8947 transitions. [2020-07-07 12:48:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-07-07 12:48:52,957 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:48:52,958 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, 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] [2020-07-07 12:48:52,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-07 12:48:52,958 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:48:52,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:48:52,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1886427033, now seen corresponding path program 2 times [2020-07-07 12:48:52,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:48:52,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941072250] [2020-07-07 12:48:52,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:48:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,301 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:48:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:48:53,934 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:48:53,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941072250] [2020-07-07 12:48:53,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:48:53,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:48:53,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688481373] [2020-07-07 12:48:53,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:48:53,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:48:53,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:48:53,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:48:53,936 INFO L87 Difference]: Start difference. First operand 8115 states and 8947 transitions. Second operand 19 states. [2020-07-07 12:48:54,521 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:56,308 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:56,605 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:57,140 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:48:57,408 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:48:57,889 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 12:48:58,143 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:48:58,598 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:48:58,854 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:59,138 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:48:59,476 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-07 12:48:59,745 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:49:00,135 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:49:01,278 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:49:01,554 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:49:02,118 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:49:02,703 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-07-07 12:49:03,224 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:49:04,024 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:49:04,317 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:49:08,002 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:49:08,921 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:49:09,204 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:49:09,719 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:49:10,264 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:49:10,755 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:49:20,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:49:20,062 INFO L93 Difference]: Finished difference Result 20541 states and 24464 transitions. [2020-07-07 12:49:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2020-07-07 12:49:20,063 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 553 [2020-07-07 12:49:20,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:49:20,111 INFO L225 Difference]: With dead ends: 20541 [2020-07-07 12:49:20,111 INFO L226 Difference]: Without dead ends: 15820 [2020-07-07 12:49:20,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 195 SyntacticMatches, 6 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6181 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=2603, Invalid=13909, Unknown=0, NotChecked=0, Total=16512 [2020-07-07 12:49:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15820 states. [2020-07-07 12:49:23,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15820 to 10271. [2020-07-07 12:49:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10271 states. [2020-07-07 12:49:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10271 states to 10271 states and 11303 transitions. [2020-07-07 12:49:23,545 INFO L78 Accepts]: Start accepts. Automaton has 10271 states and 11303 transitions. Word has length 553 [2020-07-07 12:49:23,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:49:23,545 INFO L479 AbstractCegarLoop]: Abstraction has 10271 states and 11303 transitions. [2020-07-07 12:49:23,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:49:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 10271 states and 11303 transitions. [2020-07-07 12:49:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2020-07-07 12:49:23,565 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:49:23,565 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, 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, 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] [2020-07-07 12:49:23,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-07 12:49:23,566 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:49:23,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:49:23,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1869648953, now seen corresponding path program 1 times [2020-07-07 12:49:23,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:49:23,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971065165] [2020-07-07 12:49:23,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:49:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,024 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:49:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:49:24,970 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:49:24,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971065165] [2020-07-07 12:49:24,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:49:24,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-07-07 12:49:24,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989761300] [2020-07-07 12:49:24,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-07 12:49:24,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:49:24,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-07 12:49:24,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2020-07-07 12:49:24,973 INFO L87 Difference]: Start difference. First operand 10271 states and 11303 transitions. Second operand 26 states. [2020-07-07 12:49:25,738 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 12:49:26,920 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 12:49:28,412 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-07 12:49:28,951 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-07 12:49:29,592 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:49:30,106 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-07 12:49:30,627 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-07-07 12:49:31,124 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-07 12:49:31,598 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:49:32,111 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:49:32,623 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-07 12:49:33,098 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:49:37,574 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 12:49:38,583 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-07 12:49:39,107 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-07 12:49:39,630 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:49:40,165 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-07-07 12:49:40,644 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:49:46,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:49:46,083 INFO L93 Difference]: Finished difference Result 19259 states and 21919 transitions. [2020-07-07 12:49:46,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-07-07 12:49:46,084 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 622 [2020-07-07 12:49:46,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:49:46,089 INFO L225 Difference]: With dead ends: 19259 [2020-07-07 12:49:46,089 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 12:49:46,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 160 SyntacticMatches, 8 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1939 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1065, Invalid=5577, Unknown=0, NotChecked=0, Total=6642 [2020-07-07 12:49:46,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 12:49:46,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 12:49:46,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 12:49:46,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 12:49:46,125 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 622 [2020-07-07 12:49:46,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:49:46,125 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 12:49:46,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-07 12:49:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 12:49:46,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 12:49:46,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-07 12:49:46,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 12:49:46,719 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-07-07 12:49:46,864 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-07-07 12:49:47,114 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-07-07 12:49:47,463 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 247 [2020-07-07 12:49:48,554 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-07-07 12:49:51,062 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 245 [2020-07-07 12:49:51,479 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-07-07 12:49:51,597 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 247 [2020-07-07 12:49:54,337 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-07-07 12:50:01,382 WARN L193 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 1237 DAG size of output: 767 [2020-07-07 12:50:05,966 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-07-07 12:50:12,273 WARN L193 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 1221 DAG size of output: 832 [2020-07-07 12:50:16,114 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-07-07 12:50:25,631 WARN L193 SmtUtils]: Spent 8.30 s on a formula simplification. DAG size of input: 1251 DAG size of output: 870 [2020-07-07 12:50:35,094 WARN L193 SmtUtils]: Spent 7.56 s on a formula simplification. DAG size of input: 1415 DAG size of output: 886 [2020-07-07 12:50:35,521 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-07-07 12:50:36,150 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2020-07-07 12:50:49,357 WARN L193 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 1415 DAG size of output: 886 [2020-07-07 12:50:50,664 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-07-07 12:50:51,282 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 245 [2020-07-07 12:50:52,871 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2020-07-07 12:50:53,203 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2020-07-07 12:50:54,934 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-07-07 12:51:14,970 WARN L193 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 1237 DAG size of output: 767 [2020-07-07 12:51:15,376 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-07-07 12:51:15,898 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2020-07-07 12:51:21,561 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:51:39,001 WARN L193 SmtUtils]: Spent 12.16 s on a formula simplification. DAG size of input: 1666 DAG size of output: 1048 [2020-07-07 12:51:43,709 WARN L193 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 1237 DAG size of output: 767 [2020-07-07 12:51:49,346 WARN L193 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 1237 DAG size of output: 767 [2020-07-07 12:51:58,726 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 229 [2020-07-07 12:51:59,110 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 229 [2020-07-07 12:52:02,129 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-07-07 12:52:02,273 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-07-07 12:52:02,876 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2020-07-07 12:52:17,134 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-07-07 12:52:17,974 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 246 [2020-07-07 12:52:22,019 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:52:28,614 WARN L193 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 1237 DAG size of output: 767 [2020-07-07 12:52:43,867 WARN L193 SmtUtils]: Spent 12.20 s on a formula simplification. DAG size of input: 1666 DAG size of output: 1048 [2020-07-07 12:52:44,180 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-07-07 12:52:45,093 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 246 [2020-07-07 12:52:49,197 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:53:05,431 WARN L193 SmtUtils]: Spent 12.30 s on a formula simplification. DAG size of input: 1666 DAG size of output: 1048 [2020-07-07 12:53:17,799 WARN L193 SmtUtils]: Spent 12.36 s on a formula simplification. DAG size of input: 1666 DAG size of output: 1048 [2020-07-07 12:53:29,312 WARN L193 SmtUtils]: Spent 7.64 s on a formula simplification. DAG size of input: 1415 DAG size of output: 886 [2020-07-07 12:53:42,059 WARN L193 SmtUtils]: Spent 12.46 s on a formula simplification. DAG size of input: 1666 DAG size of output: 1048 [2020-07-07 12:53:52,846 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:53:52,951 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:53:55,012 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:53:55,142 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:54:13,451 WARN L193 SmtUtils]: Spent 7.47 s on a formula simplification. DAG size of input: 1259 DAG size of output: 823 [2020-07-07 12:54:18,264 WARN L193 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 1237 DAG size of output: 767 [2020-07-07 12:54:25,818 WARN L193 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 1415 DAG size of output: 886 [2020-07-07 12:54:31,074 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 248 [2020-07-07 12:54:31,732 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 250 [2020-07-07 12:54:31,925 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 250 [2020-07-07 12:54:32,954 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 250 [2020-07-07 12:54:33,360 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 248 [2020-07-07 12:54:33,753 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 248 [2020-07-07 12:54:34,339 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 250 [2020-07-07 12:54:34,762 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 248 [2020-07-07 12:54:35,350 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 250 [2020-07-07 12:54:35,692 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 248 [2020-07-07 12:54:36,165 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 250 [2020-07-07 12:54:36,704 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 248 [2020-07-07 12:54:53,800 WARN L193 SmtUtils]: Spent 12.26 s on a formula simplification. DAG size of input: 1666 DAG size of output: 1048 [2020-07-07 12:55:20,901 WARN L193 SmtUtils]: Spent 14.92 s on a formula simplification. DAG size of input: 1910 DAG size of output: 1275 [2020-07-07 12:55:27,508 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-07-07 12:55:44,180 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-07-07 12:55:44,762 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2020-07-07 12:55:47,729 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 234 [2020-07-07 12:55:56,797 WARN L193 SmtUtils]: Spent 7.52 s on a formula simplification. DAG size of input: 1415 DAG size of output: 886 [2020-07-07 12:56:12,224 WARN L193 SmtUtils]: Spent 12.73 s on a formula simplification. DAG size of input: 1666 DAG size of output: 1048 [2020-07-07 12:56:25,666 WARN L193 SmtUtils]: Spent 13.09 s on a formula simplification. DAG size of input: 1666 DAG size of output: 1048 [2020-07-07 12:56:34,920 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 234 [2020-07-07 12:56:35,098 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:56:35,202 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:56:35,648 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 234 [2020-07-07 12:56:35,768 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 234 [2020-07-07 12:56:36,057 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:56:36,164 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-07-07 12:56:38,182 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-07-07 12:56:38,787 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 245 [2020-07-07 12:56:40,381 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 250 [2020-07-07 12:56:40,718 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2020-07-07 12:56:41,001 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-07-07 12:56:42,476 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-07-07 12:56:52,764 WARN L193 SmtUtils]: Spent 6.24 s on a formula simplification. DAG size of input: 647 DAG size of output: 42 [2020-07-07 12:56:55,910 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 359 DAG size of output: 44 [2020-07-07 12:57:04,511 WARN L193 SmtUtils]: Spent 8.58 s on a formula simplification. DAG size of input: 613 DAG size of output: 45 [2020-07-07 12:57:04,884 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:57:06,894 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 316 DAG size of output: 42 [2020-07-07 12:57:08,909 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 303 DAG size of output: 28 [2020-07-07 12:57:09,699 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 25 [2020-07-07 12:57:10,285 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 28 [2020-07-07 12:57:14,460 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 439 DAG size of output: 60 [2020-07-07 12:57:17,585 WARN L193 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 365 DAG size of output: 47 [2020-07-07 12:57:19,245 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 291 DAG size of output: 36 [2020-07-07 12:57:37,850 WARN L193 SmtUtils]: Spent 18.60 s on a formula simplification. DAG size of input: 706 DAG size of output: 46 [2020-07-07 12:57:41,088 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 355 DAG size of output: 37 [2020-07-07 12:57:44,436 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 355 DAG size of output: 37 [2020-07-07 12:58:02,047 WARN L193 SmtUtils]: Spent 17.58 s on a formula simplification. DAG size of input: 699 DAG size of output: 58 [2020-07-07 12:58:02,474 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 1 [2020-07-07 12:58:21,734 WARN L193 SmtUtils]: Spent 19.25 s on a formula simplification. DAG size of input: 744 DAG size of output: 48 [2020-07-07 12:58:24,081 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 603 DAG size of output: 1 [2020-07-07 12:58:24,541 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 1 [2020-07-07 12:58:43,881 WARN L193 SmtUtils]: Spent 19.34 s on a formula simplification. DAG size of input: 744 DAG size of output: 48 [2020-07-07 12:58:44,451 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 22 [2020-07-07 12:58:44,837 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 12:58:45,230 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 12:58:45,978 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 25 [2020-07-07 12:58:46,548 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 22 [2020-07-07 12:58:46,933 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-07-07 12:58:53,232 WARN L193 SmtUtils]: Spent 6.25 s on a formula simplification. DAG size of input: 647 DAG size of output: 45 [2020-07-07 12:58:55,669 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 308 DAG size of output: 33 [2020-07-07 12:58:56,337 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 43 [2020-07-07 12:58:58,696 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 339 DAG size of output: 40 [2020-07-07 12:59:01,523 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 346 DAG size of output: 42 [2020-07-07 12:59:03,891 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 407 DAG size of output: 54 [2020-07-07 12:59:04,537 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 22 [2020-07-07 12:59:04,921 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:59:08,059 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 359 DAG size of output: 44 [2020-07-07 12:59:10,188 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 246 DAG size of output: 40 [2020-07-07 12:59:11,251 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 276 DAG size of output: 37 [2020-07-07 12:59:11,708 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 1