/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:18:23,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:18:23,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:18:23,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:18:23,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:18:23,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:18:23,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:18:23,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:18:23,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:18:23,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:18:23,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:18:23,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:18:23,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:18:23,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:18:23,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:18:23,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:18:23,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:18:23,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:18:23,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:18:23,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:18:23,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:18:23,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:18:23,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:18:23,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:18:23,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:18:23,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:18:23,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:18:23,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:18:23,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:18:23,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:18:23,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:18:23,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:18:23,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:18:23,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:18:23,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:18:23,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:18:23,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:18:23,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:18:23,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:18:23,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:18:23,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:18:23,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:18:23,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:18:23,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:18:23,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:18:23,906 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:18:23,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:18:23,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:18:23,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:18:23,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:18:23,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:18:23,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:18:23,908 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:18:23,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:18:23,908 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:18:23,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:18:23,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:18:23,909 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:18:23,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:18:23,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:18:23,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:18:23,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:18:23,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:18:23,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:18:23,911 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:18:23,911 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:18:24,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:18:24,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:18:24,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:18:24,365 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:18:24,366 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:18:24,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2021-02-24 04:18:24,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/530fc0b64/6bdc9bafa9cd4f4db3bd2a18de781aad/FLAG044f47b4a [2021-02-24 04:18:25,111 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:18:25,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2021-02-24 04:18:25,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/530fc0b64/6bdc9bafa9cd4f4db3bd2a18de781aad/FLAG044f47b4a [2021-02-24 04:18:25,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/530fc0b64/6bdc9bafa9cd4f4db3bd2a18de781aad [2021-02-24 04:18:25,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:18:25,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:18:25,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:18:25,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:18:25,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:18:25,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:18:25" (1/1) ... [2021-02-24 04:18:25,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8369993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:25, skipping insertion in model container [2021-02-24 04:18:25,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:18:25" (1/1) ... [2021-02-24 04:18:25,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:18:25,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:18:25,939 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i[22634,22647] [2021-02-24 04:18:26,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:18:26,055 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:18:26,113 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i[22634,22647] [2021-02-24 04:18:26,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:18:26,254 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:18:26,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:26 WrapperNode [2021-02-24 04:18:26,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:18:26,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:18:26,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:18:26,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:18:26,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:26" (1/1) ... [2021-02-24 04:18:26,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:26" (1/1) ... [2021-02-24 04:18:26,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:26" (1/1) ... [2021-02-24 04:18:26,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:26" (1/1) ... [2021-02-24 04:18:26,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:26" (1/1) ... [2021-02-24 04:18:26,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:26" (1/1) ... [2021-02-24 04:18:26,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:26" (1/1) ... [2021-02-24 04:18:26,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:18:26,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:18:26,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:18:26,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:18:26,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:18:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:18:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:18:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-24 04:18:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:18:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-24 04:18:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-24 04:18:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-02-24 04:18:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2021-02-24 04:18:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2021-02-24 04:18:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2021-02-24 04:18:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2021-02-24 04:18:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2021-02-24 04:18:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2021-02-24 04:18:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2021-02-24 04:18:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2021-02-24 04:18:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2021-02-24 04:18:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2021-02-24 04:18:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2021-02-24 04:18:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2021-02-24 04:18:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2021-02-24 04:18:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2021-02-24 04:18:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2021-02-24 04:18:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:18:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:18:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:18:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 04:18:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 04:18:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:18:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:18:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-24 04:18:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-24 04:18:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-24 04:18:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-24 04:18:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-24 04:18:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-24 04:18:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-24 04:18:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-24 04:18:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-24 04:18:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-24 04:18:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-24 04:18:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-24 04:18:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-24 04:18:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-24 04:18:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-24 04:18:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-24 04:18:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-24 04:18:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-24 04:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-24 04:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-24 04:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-24 04:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-24 04:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-24 04:18:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-24 04:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-24 04:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-24 04:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-24 04:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-24 04:18:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-24 04:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-24 04:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-24 04:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-24 04:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-24 04:18:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-24 04:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-24 04:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-24 04:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-24 04:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-24 04:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-24 04:18:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-24 04:18:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-24 04:18:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-24 04:18:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-24 04:18:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-24 04:18:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-24 04:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-24 04:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-24 04:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-24 04:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-24 04:18:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-24 04:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-24 04:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-24 04:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 04:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-24 04:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-24 04:18:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 04:18:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-24 04:18:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-24 04:18:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-24 04:18:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-24 04:18:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-24 04:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-24 04:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-24 04:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-24 04:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:18:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-24 04:18:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-24 04:18:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-24 04:18:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-24 04:18:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-24 04:18:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-24 04:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-24 04:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-24 04:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-24 04:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-24 04:18:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-24 04:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-24 04:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-24 04:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-24 04:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-24 04:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-24 04:18:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-24 04:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-24 04:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-24 04:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-24 04:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-24 04:18:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-24 04:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-24 04:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-24 04:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-24 04:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-24 04:18:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-24 04:18:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-24 04:18:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-24 04:18:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-24 04:18:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-24 04:18:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-24 04:18:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-24 04:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-24 04:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-24 04:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-24 04:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-24 04:18:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-24 04:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-24 04:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-02-24 04:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2021-02-24 04:18:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 04:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 04:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2021-02-24 04:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2021-02-24 04:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 04:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2021-02-24 04:18:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-24 04:18:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-24 04:18:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:18:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2021-02-24 04:18:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2021-02-24 04:18:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2021-02-24 04:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2021-02-24 04:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2021-02-24 04:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2021-02-24 04:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2021-02-24 04:18:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2021-02-24 04:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2021-02-24 04:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2021-02-24 04:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2021-02-24 04:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:18:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:18:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:18:27,442 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:18:27,442 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-02-24 04:18:27,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:18:27 BoogieIcfgContainer [2021-02-24 04:18:27,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:18:27,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:18:27,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:18:27,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:18:27,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:18:25" (1/3) ... [2021-02-24 04:18:27,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dad027e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:18:27, skipping insertion in model container [2021-02-24 04:18:27,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:18:26" (2/3) ... [2021-02-24 04:18:27,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dad027e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:18:27, skipping insertion in model container [2021-02-24 04:18:27,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:18:27" (3/3) ... [2021-02-24 04:18:27,459 INFO L111 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2021-02-24 04:18:27,471 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:18:27,479 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:18:27,505 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:18:27,543 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:18:27,543 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:18:27,544 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:18:27,544 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:18:27,544 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:18:27,544 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:18:27,544 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:18:27,544 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:18:27,583 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2021-02-24 04:18:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-02-24 04:18:27,602 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:18:27,604 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:18:27,604 INFO L428 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:18:27,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:18:27,615 INFO L82 PathProgramCache]: Analyzing trace with hash -307813688, now seen corresponding path program 1 times [2021-02-24 04:18:27,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:18:27,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708408748] [2021-02-24 04:18:27,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:18:27,733 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:18:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:28,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:28,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:18:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:28,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:28,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:28,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:28,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:28,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:18:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:28,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:28,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:28,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:28,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-02-24 04:18:28,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708408748] [2021-02-24 04:18:28,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:18:28,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:18:28,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211572788] [2021-02-24 04:18:28,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:18:28,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:18:28,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:18:28,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:18:28,571 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 4 states. [2021-02-24 04:18:29,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:18:29,238 INFO L93 Difference]: Finished difference Result 573 states and 772 transitions. [2021-02-24 04:18:29,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 04:18:29,240 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2021-02-24 04:18:29,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:18:29,254 INFO L225 Difference]: With dead ends: 573 [2021-02-24 04:18:29,254 INFO L226 Difference]: Without dead ends: 279 [2021-02-24 04:18:29,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:18:29,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-02-24 04:18:29,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 259. [2021-02-24 04:18:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2021-02-24 04:18:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 288 transitions. [2021-02-24 04:18:29,356 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 288 transitions. Word has length 89 [2021-02-24 04:18:29,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:18:29,356 INFO L480 AbstractCegarLoop]: Abstraction has 259 states and 288 transitions. [2021-02-24 04:18:29,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:18:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 288 transitions. [2021-02-24 04:18:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-02-24 04:18:29,361 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:18:29,361 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:18:29,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:18:29,362 INFO L428 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:18:29,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:18:29,363 INFO L82 PathProgramCache]: Analyzing trace with hash -206201793, now seen corresponding path program 1 times [2021-02-24 04:18:29,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:18:29,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226042011] [2021-02-24 04:18:29,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:18:29,369 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:18:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:29,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:29,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:29,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:29,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:29,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:29,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:29,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:29,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:29,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:29,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:29,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:18:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:29,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:29,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:29,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:18:29,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:18:29,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:29,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:29,729 WARN L141 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-02-24 04:18:29,731 WARN L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-02-24 04:18:29,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:29,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:29,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:29,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:29,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:18:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:29,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:29,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:29,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:29,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:29,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:29,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-02-24 04:18:29,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226042011] [2021-02-24 04:18:29,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:18:29,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-24 04:18:29,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647239340] [2021-02-24 04:18:29,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-24 04:18:29,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:18:29,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-24 04:18:29,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-02-24 04:18:29,890 INFO L87 Difference]: Start difference. First operand 259 states and 288 transitions. Second operand 13 states. [2021-02-24 04:18:32,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:18:32,066 INFO L93 Difference]: Finished difference Result 546 states and 625 transitions. [2021-02-24 04:18:32,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 04:18:32,067 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2021-02-24 04:18:32,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:18:32,072 INFO L225 Difference]: With dead ends: 546 [2021-02-24 04:18:32,072 INFO L226 Difference]: Without dead ends: 300 [2021-02-24 04:18:32,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-02-24 04:18:32,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-02-24 04:18:32,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 280. [2021-02-24 04:18:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2021-02-24 04:18:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 311 transitions. [2021-02-24 04:18:32,124 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 311 transitions. Word has length 91 [2021-02-24 04:18:32,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:18:32,125 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 311 transitions. [2021-02-24 04:18:32,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-24 04:18:32,125 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 311 transitions. [2021-02-24 04:18:32,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-24 04:18:32,128 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:18:32,129 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-24 04:18:32,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:18:32,129 INFO L428 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:18:32,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:18:32,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1644354155, now seen corresponding path program 1 times [2021-02-24 04:18:32,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:18:32,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077322235] [2021-02-24 04:18:32,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:18:32,142 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:18:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:32,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:32,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:32,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:32,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:32,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:32,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:32,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:32,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:32,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:32,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:32,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:18:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:32,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:32,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:32,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:32,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:18:32,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 04:18:32,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:32,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:32,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:32,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:18:33,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:18:33,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:18:33,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:18:33,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:18:33,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:18:33,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:33,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:33,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:33,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 04:18:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:18:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-02-24 04:18:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 04:18:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:18:33,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 04:18:33,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:33,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:18:33,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:18:33,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:18:33,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:18:33,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:18:33,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:18:33,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:33,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:33,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:34,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:34,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:34,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:18:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:34,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 04:18:34,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 04:18:34,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:34,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 04:18:34,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 04:18:34,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:18:34,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:18:34,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 04:18:34,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 04:18:34,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 04:18:34,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:34,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:18:34,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:18:34,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 04:18:34,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 04:18:34,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:34,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-24 04:18:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 115 proven. 38 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-02-24 04:18:35,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077322235] [2021-02-24 04:18:35,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:18:35,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2021-02-24 04:18:35,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788856398] [2021-02-24 04:18:35,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-24 04:18:35,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:18:35,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-24 04:18:35,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1540, Unknown=0, NotChecked=0, Total=1640 [2021-02-24 04:18:35,338 INFO L87 Difference]: Start difference. First operand 280 states and 311 transitions. Second operand 41 states. [2021-02-24 04:18:43,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:18:43,163 INFO L93 Difference]: Finished difference Result 578 states and 659 transitions. [2021-02-24 04:18:43,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-24 04:18:43,164 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 239 [2021-02-24 04:18:43,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:18:43,174 INFO L225 Difference]: With dead ends: 578 [2021-02-24 04:18:43,174 INFO L226 Difference]: Without dead ends: 315 [2021-02-24 04:18:43,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=341, Invalid=5061, Unknown=0, NotChecked=0, Total=5402 [2021-02-24 04:18:43,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-02-24 04:18:43,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 290. [2021-02-24 04:18:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2021-02-24 04:18:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 323 transitions. [2021-02-24 04:18:43,231 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 323 transitions. Word has length 239 [2021-02-24 04:18:43,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:18:43,232 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 323 transitions. [2021-02-24 04:18:43,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2021-02-24 04:18:43,232 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 323 transitions. [2021-02-24 04:18:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-02-24 04:18:43,235 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:18:43,236 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:18:43,236 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 04:18:43,236 INFO L428 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:18:43,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:18:43,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1822223879, now seen corresponding path program 1 times [2021-02-24 04:18:43,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:18:43,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292284529] [2021-02-24 04:18:43,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:18:43,244 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:18:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:43,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:43,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:43,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:43,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:43,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:43,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:18:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 04:18:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-24 04:18:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:43,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:43,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:43,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 04:18:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:44,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:44,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:44,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:44,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:44,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:44,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:44,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:44,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 04:18:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:44,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:44,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:44,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:44,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:18:44,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 04:18:44,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:44,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:44,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 04:18:44,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:18:44,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:44,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 04:18:44,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:18:44,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:18:44,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:18:44,546 WARN L141 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-02-24 04:18:44,548 WARN L147 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size 28 [2021-02-24 04:18:44,589 WARN L141 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size [2021-02-24 04:18:44,591 WARN L147 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size 34 [2021-02-24 04:18:44,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:18:44,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:44,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:18:44,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:18:44,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:18:44,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:18:44,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:44,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-02-24 04:18:45,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-24 04:18:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:45,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:45,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:45,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:45,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:45,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:45,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:45,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:45,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 68 proven. 21 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-02-24 04:18:45,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292284529] [2021-02-24 04:18:45,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:18:45,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-02-24 04:18:45,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420540804] [2021-02-24 04:18:45,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-24 04:18:45,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:18:45,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-24 04:18:45,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-02-24 04:18:45,480 INFO L87 Difference]: Start difference. First operand 290 states and 323 transitions. Second operand 25 states. [2021-02-24 04:18:46,937 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-02-24 04:18:47,302 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2021-02-24 04:18:47,629 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-02-24 04:18:47,896 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2021-02-24 04:18:51,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:18:51,304 INFO L93 Difference]: Finished difference Result 581 states and 656 transitions. [2021-02-24 04:18:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-24 04:18:51,305 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 243 [2021-02-24 04:18:51,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:18:51,310 INFO L225 Difference]: With dead ends: 581 [2021-02-24 04:18:51,310 INFO L226 Difference]: Without dead ends: 310 [2021-02-24 04:18:51,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=128, Invalid=1132, Unknown=0, NotChecked=0, Total=1260 [2021-02-24 04:18:51,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-02-24 04:18:51,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 290. [2021-02-24 04:18:51,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2021-02-24 04:18:51,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 321 transitions. [2021-02-24 04:18:51,363 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 321 transitions. Word has length 243 [2021-02-24 04:18:51,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:18:51,363 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 321 transitions. [2021-02-24 04:18:51,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-24 04:18:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 321 transitions. [2021-02-24 04:18:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-02-24 04:18:51,368 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:18:51,368 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-24 04:18:51,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 04:18:51,369 INFO L428 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:18:51,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:18:51,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1985515759, now seen corresponding path program 1 times [2021-02-24 04:18:51,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:18:51,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210924621] [2021-02-24 04:18:51,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:18:51,376 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:18:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:51,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:51,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:51,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:51,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:51,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:51,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:51,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:51,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:51,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:51,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:51,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:51,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:51,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:51,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:51,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:51,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:51,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:51,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:51,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:51,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:18:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:51,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:51,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:51,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:52,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:18:52,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 04:18:52,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:52,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:18:52,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:18:52,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:18:52,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:18:52,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:18:52,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:18:52,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:52,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:52,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:18:52,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 04:18:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:52,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:52,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:52,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:52,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:52,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:18:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:52,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:52,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:52,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 04:18:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 04:18:52,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 04:18:52,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:52,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 04:18:52,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 04:18:52,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:18:52,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:52,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:18:53,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 04:18:53,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 04:18:53,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 04:18:53,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:53,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:18:53,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:18:53,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 04:18:53,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 04:18:53,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 04:18:53,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-02-24 04:18:53,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 04:18:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:53,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:53,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:18:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:53,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:53,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:18:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:53,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:53,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:53,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:53,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:53,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:53,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:18:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:53,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:53,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:18:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:53,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:53,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:18:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:18:53,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:18:53,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:18:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-02-24 04:18:53,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210924621] [2021-02-24 04:18:53,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:18:53,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-02-24 04:18:53,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30742461] [2021-02-24 04:18:53,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-02-24 04:18:53,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:18:53,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-02-24 04:18:53,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1038, Unknown=0, NotChecked=0, Total=1122 [2021-02-24 04:18:53,893 INFO L87 Difference]: Start difference. First operand 290 states and 321 transitions. Second operand 34 states. [2021-02-24 04:18:55,244 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2021-02-24 04:18:55,480 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-02-24 04:18:55,677 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2021-02-24 04:18:55,949 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2021-02-24 04:18:56,227 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-02-24 04:18:56,482 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2021-02-24 04:19:01,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:19:01,390 INFO L93 Difference]: Finished difference Result 592 states and 663 transitions. [2021-02-24 04:19:01,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-24 04:19:01,391 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 241 [2021-02-24 04:19:01,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:19:01,397 INFO L225 Difference]: With dead ends: 592 [2021-02-24 04:19:01,397 INFO L226 Difference]: Without dead ends: 321 [2021-02-24 04:19:01,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=270, Invalid=3036, Unknown=0, NotChecked=0, Total=3306 [2021-02-24 04:19:01,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-02-24 04:19:01,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 299. [2021-02-24 04:19:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-02-24 04:19:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 331 transitions. [2021-02-24 04:19:01,441 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 331 transitions. Word has length 241 [2021-02-24 04:19:01,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:19:01,442 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 331 transitions. [2021-02-24 04:19:01,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2021-02-24 04:19:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 331 transitions. [2021-02-24 04:19:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-02-24 04:19:01,445 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:19:01,446 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-24 04:19:01,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 04:19:01,446 INFO L428 AbstractCegarLoop]: === Iteration 6 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:19:01,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:19:01,447 INFO L82 PathProgramCache]: Analyzing trace with hash -159569349, now seen corresponding path program 1 times [2021-02-24 04:19:01,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:19:01,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318182515] [2021-02-24 04:19:01,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:19:01,452 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:19:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:01,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:01,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:01,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:01,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:01,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:01,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:01,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:01,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:01,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:01,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:01,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:19:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:01,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:01,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:01,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:01,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:19:01,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 04:19:01,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:01,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:01,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:19:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:02,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 04:19:02,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:19:02,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:02,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 04:19:02,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-24 04:19:02,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:19:02,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:19:02,434 WARN L141 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-02-24 04:19:02,435 WARN L147 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size 28 [2021-02-24 04:19:02,487 WARN L141 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size [2021-02-24 04:19:02,488 WARN L147 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size 34 [2021-02-24 04:19:02,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:19:02,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:02,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:19:02,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:19:02,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:19:02,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:19:02,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 04:19:02,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:02,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 487 [2021-02-24 04:19:03,163 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-02-24 04:19:03,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 04:19:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:19:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:19:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 04:19:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 04:19:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:19:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:19:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:03,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:03,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-02-24 04:19:03,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318182515] [2021-02-24 04:19:03,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:19:03,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-02-24 04:19:03,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561013876] [2021-02-24 04:19:03,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-24 04:19:03,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:19:03,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-24 04:19:03,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-02-24 04:19:03,986 INFO L87 Difference]: Start difference. First operand 299 states and 331 transitions. Second operand 25 states. [2021-02-24 04:19:04,579 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-02-24 04:19:04,980 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-02-24 04:19:06,282 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-02-24 04:19:07,035 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-02-24 04:19:07,782 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-02-24 04:19:08,413 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-02-24 04:19:13,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:19:13,149 INFO L93 Difference]: Finished difference Result 596 states and 661 transitions. [2021-02-24 04:19:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-24 04:19:13,150 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 243 [2021-02-24 04:19:13,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:19:13,155 INFO L225 Difference]: With dead ends: 596 [2021-02-24 04:19:13,155 INFO L226 Difference]: Without dead ends: 319 [2021-02-24 04:19:13,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=128, Invalid=1132, Unknown=0, NotChecked=0, Total=1260 [2021-02-24 04:19:13,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-02-24 04:19:13,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 299. [2021-02-24 04:19:13,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-02-24 04:19:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 329 transitions. [2021-02-24 04:19:13,200 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 329 transitions. Word has length 243 [2021-02-24 04:19:13,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:19:13,201 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 329 transitions. [2021-02-24 04:19:13,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-24 04:19:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 329 transitions. [2021-02-24 04:19:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-02-24 04:19:13,204 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:19:13,205 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-24 04:19:13,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 04:19:13,205 INFO L428 AbstractCegarLoop]: === Iteration 7 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:19:13,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:19:13,206 INFO L82 PathProgramCache]: Analyzing trace with hash -279275528, now seen corresponding path program 1 times [2021-02-24 04:19:13,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:19:13,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196036803] [2021-02-24 04:19:13,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:19:13,211 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:19:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:13,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:13,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:13,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:13,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:13,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:13,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:13,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:13,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:13,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:13,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:19:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:13,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:13,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:13,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:13,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:13,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:13,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:13,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:13,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:19:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:13,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:13,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:13,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:13,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:13,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:13,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:13,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 04:19:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:19:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:19:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 04:19:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:19:14,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:14,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:19:14,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:19:14,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 04:19:14,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:14,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:14,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:14,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:14,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 04:19:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:19:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:19:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:14,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:14,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-02-24 04:19:14,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196036803] [2021-02-24 04:19:14,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:19:14,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-24 04:19:14,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359564992] [2021-02-24 04:19:14,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-24 04:19:14,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:19:14,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-24 04:19:14,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=505, Unknown=0, NotChecked=0, Total=552 [2021-02-24 04:19:14,813 INFO L87 Difference]: Start difference. First operand 299 states and 329 transitions. Second operand 24 states. [2021-02-24 04:19:19,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:19:19,325 INFO L93 Difference]: Finished difference Result 531 states and 594 transitions. [2021-02-24 04:19:19,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-24 04:19:19,326 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 242 [2021-02-24 04:19:19,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:19:19,331 INFO L225 Difference]: With dead ends: 531 [2021-02-24 04:19:19,331 INFO L226 Difference]: Without dead ends: 421 [2021-02-24 04:19:19,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=169, Invalid=1811, Unknown=0, NotChecked=0, Total=1980 [2021-02-24 04:19:19,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-02-24 04:19:19,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 336. [2021-02-24 04:19:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2021-02-24 04:19:19,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 371 transitions. [2021-02-24 04:19:19,384 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 371 transitions. Word has length 242 [2021-02-24 04:19:19,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:19:19,385 INFO L480 AbstractCegarLoop]: Abstraction has 336 states and 371 transitions. [2021-02-24 04:19:19,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-24 04:19:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 371 transitions. [2021-02-24 04:19:19,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-02-24 04:19:19,388 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:19:19,389 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-24 04:19:19,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 04:19:19,389 INFO L428 AbstractCegarLoop]: === Iteration 8 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:19:19,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:19:19,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1639303553, now seen corresponding path program 1 times [2021-02-24 04:19:19,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:19:19,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433467594] [2021-02-24 04:19:19,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:19:19,395 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:19:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:19,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:19,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:19,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:19,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:19,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:19,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:19,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:19,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:19,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:19,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:19,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:19,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:19,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:19,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:19,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:19,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:19:19,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:19,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:20,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:20,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:20,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:19:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:20,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:20,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:20,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:20,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:20,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:19:20,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:19:20,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:19:20,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:20,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:19:20,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:19:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:20,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:19:20,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:20,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 04:19:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:21,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:19:21,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 04:19:21,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 04:19:21,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:19:21,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 04:19:21,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:21,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:19:21,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:19:21,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:19:21,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-24 04:19:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:21,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 922 [2021-02-24 04:19:21,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 922 [2021-02-24 04:19:21,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 922 [2021-02-24 04:19:21,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:21,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:21,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:19:22,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:22,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 04:19:22,090 WARN L141 QuantifierPusher]: treesize reduction 390, result has 71.1 percent of original size [2021-02-24 04:19:22,093 WARN L147 QuantifierPusher]: treesize reduction 390, result has 71.1 percent of original size 961 [2021-02-24 04:19:22,433 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2021-02-24 04:19:22,446 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-24 04:19:22,447 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-24 04:19:22,742 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-24 04:19:22,743 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-24 04:19:22,748 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-24 04:19:22,750 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-24 04:19:22,755 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-24 04:19:22,758 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-24 04:19:22,762 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-24 04:19:22,764 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-24 04:19:22,768 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-24 04:19:22,769 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-24 04:19:22,773 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-24 04:19:22,775 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-24 04:19:22,802 WARN L141 QuantifierPusher]: treesize reduction 37270, result has 29.9 percent of original size [2021-02-24 04:19:22,811 WARN L147 QuantifierPusher]: treesize reduction 37270, result has 29.9 percent of original size 15921 [2021-02-24 04:19:23,694 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 21 [2021-02-24 04:19:23,713 WARN L141 QuantifierPusher]: treesize reduction 25001, result has 38.9 percent of original size [2021-02-24 04:19:23,721 WARN L147 QuantifierPusher]: treesize reduction 25001, result has 38.9 percent of original size 15921 [2021-02-24 04:19:23,744 WARN L141 QuantifierPusher]: treesize reduction 37270, result has 29.9 percent of original size [2021-02-24 04:19:23,752 WARN L147 QuantifierPusher]: treesize reduction 37270, result has 29.9 percent of original size 15921 [2021-02-24 04:19:23,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 04:19:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:23,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:23,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:19:23,776 WARN L141 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-02-24 04:19:23,777 WARN L147 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size 46 [2021-02-24 04:19:23,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:23,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:23,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:19:23,915 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-02-24 04:19:23,915 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-02-24 04:19:23,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:23,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:23,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:19:24,026 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-02-24 04:19:24,027 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-02-24 04:19:24,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:19:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:24,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:24,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:19:24,153 WARN L141 QuantifierPusher]: treesize reduction 150, result has 87.6 percent of original size [2021-02-24 04:19:24,154 WARN L147 QuantifierPusher]: treesize reduction 150, result has 87.6 percent of original size 1059 [2021-02-24 04:19:24,454 WARN L141 QuantifierPusher]: treesize reduction 150, result has 87.6 percent of original size [2021-02-24 04:19:24,455 WARN L147 QuantifierPusher]: treesize reduction 150, result has 87.6 percent of original size 1059 [2021-02-24 04:19:24,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:24,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:24,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:19:24,812 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-02-24 04:19:24,813 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-02-24 04:19:24,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:24,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:24,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:19:24,828 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-02-24 04:19:24,828 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-02-24 04:19:24,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 04:19:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:25,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:25,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 04:19:25,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:25,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:19:25,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 04:19:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:25,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:25,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 04:19:25,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:25,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:19:25,481 WARN L141 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size [2021-02-24 04:19:25,482 WARN L147 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size 45 [2021-02-24 04:19:25,612 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-24 04:19:25,614 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-24 04:19:25,762 WARN L141 QuantifierPusher]: treesize reduction 15, result has 80.3 percent of original size [2021-02-24 04:19:25,763 WARN L147 QuantifierPusher]: treesize reduction 15, result has 80.3 percent of original size 61 [2021-02-24 04:19:25,919 WARN L141 QuantifierPusher]: treesize reduction 24, result has 76.5 percent of original size [2021-02-24 04:19:25,920 WARN L147 QuantifierPusher]: treesize reduction 24, result has 76.5 percent of original size 78 [2021-02-24 04:19:26,155 WARN L141 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-02-24 04:19:26,158 WARN L147 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size 58 [2021-02-24 04:19:26,318 WARN L141 QuantifierPusher]: treesize reduction 14, result has 79.1 percent of original size [2021-02-24 04:19:26,320 WARN L147 QuantifierPusher]: treesize reduction 14, result has 79.1 percent of original size 53 [2021-02-24 04:19:26,468 WARN L141 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size [2021-02-24 04:19:26,469 WARN L147 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size 61 [2021-02-24 04:19:26,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:26,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:19:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 04:19:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:26,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:26,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 04:19:26,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:26,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 04:19:26,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:26,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-24 04:19:26,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:26,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-24 04:19:26,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:26,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-24 04:19:26,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:26,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-02-24 04:19:27,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 04:19:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:27,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:27,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221467 [2021-02-24 04:19:28,606 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-24 04:19:28,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:28,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221467 [2021-02-24 04:19:28,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:28,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221467 [2021-02-24 04:19:28,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:28,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221467 [2021-02-24 04:19:28,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat