/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:02:09,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:02:09,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:02:09,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 23:02:09,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 23:02:09,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 23:02:09,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 23:02:09,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 23:02:09,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 23:02:09,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 23:02:09,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 23:02:09,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 23:02:09,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:02:09,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:02:09,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:02:09,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:02:09,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:02:09,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:02:09,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:02:09,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:02:09,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:02:09,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:02:09,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:02:09,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:02:09,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 23:02:09,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 23:02:09,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 23:02:09,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 23:02:09,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:02:09,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:02:09,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:02:09,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:02:09,510 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:02:09,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:02:09,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:02:09,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:02:09,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:02:09,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:02:09,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:02:09,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:02:09,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:02:09,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:02:09,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:02:09,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:02:09,515 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:02:09,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:02:09,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:02:09,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:02:09,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:02:09,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:02:09,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:02:09,518 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:02:10,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:02:10,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:02:10,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:02:10,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:02:10,049 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:02:10,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2021-02-23 23:02:10,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8678ebcbe/371f8e9fe6484ac29487802b8fc9e231/FLAGd7761dc57 [2021-02-23 23:02:10,934 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:02:10,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2021-02-23 23:02:10,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8678ebcbe/371f8e9fe6484ac29487802b8fc9e231/FLAGd7761dc57 [2021-02-23 23:02:11,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8678ebcbe/371f8e9fe6484ac29487802b8fc9e231 [2021-02-23 23:02:11,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:02:11,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:02:11,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:02:11,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:02:11,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:02:11,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:02:11" (1/1) ... [2021-02-23 23:02:11,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adee8dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11, skipping insertion in model container [2021-02-23 23:02:11,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:02:11" (1/1) ... [2021-02-23 23:02:11,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:02:11,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:02:11,613 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] [2021-02-23 23:02:11,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:02:11,685 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:02:11,726 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] [2021-02-23 23:02:11,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:02:11,861 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:02:11,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11 WrapperNode [2021-02-23 23:02:11,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:02:11,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:02:11,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:02:11,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:02:11,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11" (1/1) ... [2021-02-23 23:02:11,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11" (1/1) ... [2021-02-23 23:02:11,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11" (1/1) ... [2021-02-23 23:02:11,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11" (1/1) ... [2021-02-23 23:02:11,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11" (1/1) ... [2021-02-23 23:02:11,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11" (1/1) ... [2021-02-23 23:02:11,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11" (1/1) ... [2021-02-23 23:02:11,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:02:11,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:02:11,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:02:11,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:02:11,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:02:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:02:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:02:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-23 23:02:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:02:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-23 23:02:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-23 23:02:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-02-23 23:02:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2021-02-23 23:02:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2021-02-23 23:02:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2021-02-23 23:02:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2021-02-23 23:02:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2021-02-23 23:02:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2021-02-23 23:02:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2021-02-23 23:02:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2021-02-23 23:02:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2021-02-23 23:02:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2021-02-23 23:02:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2021-02-23 23:02:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2021-02-23 23:02:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2021-02-23 23:02:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2021-02-23 23:02:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2021-02-23 23:02:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:02:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:02:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:02:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 23:02:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 23:02:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:02:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:02:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-23 23:02:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-23 23:02:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-23 23:02:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-23 23:02:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-23 23:02:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-23 23:02:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-23 23:02:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-23 23:02:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-23 23:02:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-23 23:02:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-23 23:02:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-23 23:02:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-23 23:02:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-23 23:02:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-23 23:02:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-23 23:02:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-23 23:02:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-23 23:02:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-23 23:02:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-23 23:02:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-23 23:02:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-23 23:02:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-23 23:02:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-23 23:02:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-23 23:02:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-23 23:02:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-23 23:02:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-23 23:02:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-23 23:02:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-23 23:02:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-23 23:02:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-23 23:02:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-23 23:02:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-23 23:02:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-23 23:02:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-23 23:02:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-23 23:02:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-23 23:02:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-23 23:02:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-23 23:02:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-23 23:02:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-23 23:02:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-23 23:02:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-23 23:02:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-23 23:02:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-23 23:02:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-23 23:02:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-23 23:02:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-23 23:02:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-23 23:02:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-23 23:02:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-23 23:02:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 23:02:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 23:02:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-23 23:02:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 23:02:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-23 23:02:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-23 23:02:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-23 23:02:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-23 23:02:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-23 23:02:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-23 23:02:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-23 23:02:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-23 23:02:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:02:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-23 23:02:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-23 23:02:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-23 23:02:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-23 23:02:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-23 23:02:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-23 23:02:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-23 23:02:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-23 23:02:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-23 23:02:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-23 23:02:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-23 23:02:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-23 23:02:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-23 23:02:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-23 23:02:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-23 23:02:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-23 23:02:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-23 23:02:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-23 23:02:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-23 23:02:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-23 23:02:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-23 23:02:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-23 23:02:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-23 23:02:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-23 23:02:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-23 23:02:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-23 23:02:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-23 23:02:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-23 23:02:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-23 23:02:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-23 23:02:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-23 23:02:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-23 23:02:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-23 23:02:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-23 23:02:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-23 23:02:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-23 23:02:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-23 23:02:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-23 23:02:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-23 23:02:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:02:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-02-23 23:02:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2021-02-23 23:02:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 23:02:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 23:02:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2021-02-23 23:02:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2021-02-23 23:02:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 23:02:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2021-02-23 23:02:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-23 23:02:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 23:02:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:02:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2021-02-23 23:02:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2021-02-23 23:02:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2021-02-23 23:02:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2021-02-23 23:02:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2021-02-23 23:02:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2021-02-23 23:02:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2021-02-23 23:02:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2021-02-23 23:02:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2021-02-23 23:02:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2021-02-23 23:02:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2021-02-23 23:02:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:02:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:02:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:02:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:02:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:02:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:02:13,188 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:02:13,188 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-02-23 23:02:13,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:02:13 BoogieIcfgContainer [2021-02-23 23:02:13,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:02:13,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:02:13,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:02:13,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:02:13,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:02:11" (1/3) ... [2021-02-23 23:02:13,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abfa488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:02:13, skipping insertion in model container [2021-02-23 23:02:13,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:02:11" (2/3) ... [2021-02-23 23:02:13,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abfa488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:02:13, skipping insertion in model container [2021-02-23 23:02:13,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:02:13" (3/3) ... [2021-02-23 23:02:13,204 INFO L111 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2021-02-23 23:02:13,212 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:02:13,220 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:02:13,241 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:02:13,263 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:02:13,263 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:02:13,263 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:02:13,263 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:02:13,264 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:02:13,264 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:02:13,264 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:02:13,264 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:02:13,289 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2021-02-23 23:02:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-02-23 23:02:13,304 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:02:13,305 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] [2021-02-23 23:02:13,306 INFO L428 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:02:13,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:02:13,313 INFO L82 PathProgramCache]: Analyzing trace with hash -307813688, now seen corresponding path program 1 times [2021-02-23 23:02:13,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:02:13,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258252394] [2021-02-23 23:02:13,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:02:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:13,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:13,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:13,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:13,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:13,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:13,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:13,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:13,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:02:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:13,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:13,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:13,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:14,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:14,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:14,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:14,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:14,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:14,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:14,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:14,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:14,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:14,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:14,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:14,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:14,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:14,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:02:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:14,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:14,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:14,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:14,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:14,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:14,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:14,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:14,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-02-23 23:02:14,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258252394] [2021-02-23 23:02:14,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:02:14,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:02:14,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987242209] [2021-02-23 23:02:14,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:02:14,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:02:14,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:02:14,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:02:14,300 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 4 states. [2021-02-23 23:02:14,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:02:14,986 INFO L93 Difference]: Finished difference Result 573 states and 772 transitions. [2021-02-23 23:02:14,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 23:02:14,988 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2021-02-23 23:02:14,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:02:15,004 INFO L225 Difference]: With dead ends: 573 [2021-02-23 23:02:15,004 INFO L226 Difference]: Without dead ends: 279 [2021-02-23 23:02:15,013 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 [2021-02-23 23:02:15,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-02-23 23:02:15,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 259. [2021-02-23 23:02:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2021-02-23 23:02:15,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 288 transitions. [2021-02-23 23:02:15,140 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 288 transitions. Word has length 89 [2021-02-23 23:02:15,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:02:15,141 INFO L480 AbstractCegarLoop]: Abstraction has 259 states and 288 transitions. [2021-02-23 23:02:15,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:02:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 288 transitions. [2021-02-23 23:02:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-02-23 23:02:15,156 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:02:15,157 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] [2021-02-23 23:02:15,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:02:15,159 INFO L428 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:02:15,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:02:15,160 INFO L82 PathProgramCache]: Analyzing trace with hash -206201793, now seen corresponding path program 1 times [2021-02-23 23:02:15,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:02:15,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018124309] [2021-02-23 23:02:15,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:02:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:15,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:15,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:15,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:15,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:15,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:15,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:15,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:15,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:15,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:15,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:15,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:02:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:15,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:15,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:15,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:02:15,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:02:15,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:15,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:15,576 WARN L141 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-02-23 23:02:15,579 WARN L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-02-23 23:02:15,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:15,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:15,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:15,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:15,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:02:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:15,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:15,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:15,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:15,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:15,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:15,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:15,754 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-02-23 23:02:15,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018124309] [2021-02-23 23:02:15,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:02:15,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 23:02:15,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615803920] [2021-02-23 23:02:15,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 23:02:15,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:02:15,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 23:02:15,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:02:15,760 INFO L87 Difference]: Start difference. First operand 259 states and 288 transitions. Second operand 13 states. [2021-02-23 23:02:17,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:02:17,814 INFO L93 Difference]: Finished difference Result 546 states and 625 transitions. [2021-02-23 23:02:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:02:17,815 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2021-02-23 23:02:17,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:02:17,831 INFO L225 Difference]: With dead ends: 546 [2021-02-23 23:02:17,831 INFO L226 Difference]: Without dead ends: 300 [2021-02-23 23:02:17,835 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 [2021-02-23 23:02:17,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-02-23 23:02:17,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 280. [2021-02-23 23:02:17,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2021-02-23 23:02:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 311 transitions. [2021-02-23 23:02:17,920 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 311 transitions. Word has length 91 [2021-02-23 23:02:17,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:02:17,923 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 311 transitions. [2021-02-23 23:02:17,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 23:02:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 311 transitions. [2021-02-23 23:02:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-23 23:02:17,935 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:02:17,936 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] [2021-02-23 23:02:17,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:02:17,936 INFO L428 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:02:17,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:02:17,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1644354155, now seen corresponding path program 1 times [2021-02-23 23:02:17,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:02:17,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065959614] [2021-02-23 23:02:17,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:02:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:18,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:18,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:18,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:18,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:18,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:18,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:18,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:18,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:18,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:18,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:18,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:02:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:18,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:18,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:18,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:18,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:02:18,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:02:18,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:18,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:18,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:02:18,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:02:18,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:18,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:02:18,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:02:18,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:02:18,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:02:18,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:18,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:18,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:19,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:19,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:19,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 23:02:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:02:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-02-23 23:02:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 23:02:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:02:19,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:02:19,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:19,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:02:19,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:02:19,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:02:19,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:02:19,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:02:19,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:02:19,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:19,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:19,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:19,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:02:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:02:19,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 23:02:19,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:19,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:02:19,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:19,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:02:20,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:20,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 23:02:20,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:20,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 23:02:20,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:20,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:02:20,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:20,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:02:20,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:20,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 23:02:20,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:20,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:20,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:02:20,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:20,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:02:20,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:20,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:02:20,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:20,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:02:20,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:20,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-02-23 23:02:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 141 proven. 44 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-02-23 23:02:21,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065959614] [2021-02-23 23:02:21,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:02:21,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2021-02-23 23:02:21,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126068804] [2021-02-23 23:02:21,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-23 23:02:21,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:02:21,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-23 23:02:21,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1540, Unknown=0, NotChecked=0, Total=1640 [2021-02-23 23:02:21,018 INFO L87 Difference]: Start difference. First operand 280 states and 311 transitions. Second operand 41 states. [2021-02-23 23:02:28,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:02:28,977 INFO L93 Difference]: Finished difference Result 578 states and 659 transitions. [2021-02-23 23:02:28,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-23 23:02:28,981 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 239 [2021-02-23 23:02:28,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:02:28,985 INFO L225 Difference]: With dead ends: 578 [2021-02-23 23:02:28,986 INFO L226 Difference]: Without dead ends: 315 [2021-02-23 23:02:28,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=341, Invalid=5061, Unknown=0, NotChecked=0, Total=5402 [2021-02-23 23:02:28,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-02-23 23:02:29,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 290. [2021-02-23 23:02:29,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2021-02-23 23:02:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 323 transitions. [2021-02-23 23:02:29,036 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 323 transitions. Word has length 239 [2021-02-23 23:02:29,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:02:29,037 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 323 transitions. [2021-02-23 23:02:29,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2021-02-23 23:02:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 323 transitions. [2021-02-23 23:02:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-02-23 23:02:29,041 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:02:29,041 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] [2021-02-23 23:02:29,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:02:29,042 INFO L428 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:02:29,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:02:29,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1985515759, now seen corresponding path program 1 times [2021-02-23 23:02:29,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:02:29,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902586956] [2021-02-23 23:02:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:02:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:29,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:29,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:29,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:29,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:29,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:29,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:29,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:29,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:29,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:29,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:29,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:02:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:29,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:29,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:29,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:29,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:02:29,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:02:29,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:29,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:29,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:02:29,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:02:29,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:29,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:02:29,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:02:29,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:02:29,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:02:29,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:29,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:29,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:30,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:30,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:30,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 23:02:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:30,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:30,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:30,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:30,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:30,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:02:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:30,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:30,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:30,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 23:02:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:02:30,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 23:02:30,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:02:30,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:02:30,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 23:02:30,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 23:02:30,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:02:30,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:02:30,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 23:02:30,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:30,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:02:30,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:02:30,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:30,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:02:31,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:02:31,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 23:02:31,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-02-23 23:02:31,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 23:02:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:31,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:31,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:31,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:31,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:31,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:31,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:31,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:31,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:31,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:31,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:02:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:31,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:31,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:31,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:31,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:31,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:31,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 38 proven. 38 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-02-23 23:02:31,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902586956] [2021-02-23 23:02:31,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:02:31,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2021-02-23 23:02:31,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774553773] [2021-02-23 23:02:31,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-02-23 23:02:31,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:02:31,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-02-23 23:02:31,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1038, Unknown=0, NotChecked=0, Total=1122 [2021-02-23 23:02:31,628 INFO L87 Difference]: Start difference. First operand 290 states and 323 transitions. Second operand 34 states. [2021-02-23 23:02:33,187 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-02-23 23:02:33,628 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2021-02-23 23:02:33,873 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-02-23 23:02:34,096 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2021-02-23 23:02:39,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:02:39,237 INFO L93 Difference]: Finished difference Result 592 states and 667 transitions. [2021-02-23 23:02:39,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-23 23:02:39,238 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 241 [2021-02-23 23:02:39,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:02:39,246 INFO L225 Difference]: With dead ends: 592 [2021-02-23 23:02:39,246 INFO L226 Difference]: Without dead ends: 321 [2021-02-23 23:02:39,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=270, Invalid=3036, Unknown=0, NotChecked=0, Total=3306 [2021-02-23 23:02:39,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-02-23 23:02:39,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 299. [2021-02-23 23:02:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-02-23 23:02:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 333 transitions. [2021-02-23 23:02:39,293 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 333 transitions. Word has length 241 [2021-02-23 23:02:39,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:02:39,294 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 333 transitions. [2021-02-23 23:02:39,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2021-02-23 23:02:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 333 transitions. [2021-02-23 23:02:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-02-23 23:02:39,298 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:02:39,299 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, 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] [2021-02-23 23:02:39,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:02:39,299 INFO L428 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:02:39,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:02:39,300 INFO L82 PathProgramCache]: Analyzing trace with hash -37011247, now seen corresponding path program 1 times [2021-02-23 23:02:39,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:02:39,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031774903] [2021-02-23 23:02:39,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:02:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:39,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:39,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:39,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:39,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:39,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:39,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:39,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:39,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:39,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:39,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:39,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:02:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:39,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:39,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:39,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:39,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:02:39,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:02:39,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:39,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:39,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:39,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:39,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:39,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:40,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:40,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:40,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:40,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 23:02:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:40,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:40,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:40,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:40,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:02:40,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:02:40,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:40,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:40,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 23:02:40,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 23:02:40,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:40,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:02:40,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 23:02:40,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-23 23:02:40,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-23 23:02:40,372 WARN L141 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-02-23 23:02:40,373 WARN L147 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size 28 [2021-02-23 23:02:40,415 WARN L141 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size [2021-02-23 23:02:40,416 WARN L147 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size 34 [2021-02-23 23:02:40,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 23:02:40,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:40,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 23:02:40,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 23:02:40,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 23:02:40,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 23:02:40,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-02-23 23:02:40,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-23 23:02:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:40,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:40,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:40,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:40,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:40,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:40,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-02-23 23:02:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 23:02:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-23 23:02:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:41,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:41,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 15 proven. 103 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-02-23 23:02:41,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031774903] [2021-02-23 23:02:41,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:02:41,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2021-02-23 23:02:41,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268003988] [2021-02-23 23:02:41,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-23 23:02:41,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:02:41,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-23 23:02:41,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-02-23 23:02:41,613 INFO L87 Difference]: Start difference. First operand 299 states and 333 transitions. Second operand 25 states. [2021-02-23 23:02:43,032 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-02-23 23:02:43,368 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2021-02-23 23:02:43,754 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-02-23 23:02:44,035 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2021-02-23 23:02:47,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:02:47,681 INFO L93 Difference]: Finished difference Result 598 states and 676 transitions. [2021-02-23 23:02:47,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-23 23:02:47,684 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 245 [2021-02-23 23:02:47,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:02:47,688 INFO L225 Difference]: With dead ends: 598 [2021-02-23 23:02:47,688 INFO L226 Difference]: Without dead ends: 319 [2021-02-23 23:02:47,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=128, Invalid=1132, Unknown=0, NotChecked=0, Total=1260 [2021-02-23 23:02:47,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-02-23 23:02:47,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 299. [2021-02-23 23:02:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-02-23 23:02:47,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 331 transitions. [2021-02-23 23:02:47,729 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 331 transitions. Word has length 245 [2021-02-23 23:02:47,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:02:47,730 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 331 transitions. [2021-02-23 23:02:47,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-23 23:02:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 331 transitions. [2021-02-23 23:02:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-02-23 23:02:47,733 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:02:47,734 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] [2021-02-23 23:02:47,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:02:47,734 INFO L428 AbstractCegarLoop]: === Iteration 6 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:02:47,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:02:47,735 INFO L82 PathProgramCache]: Analyzing trace with hash -159569349, now seen corresponding path program 1 times [2021-02-23 23:02:47,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:02:47,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176803351] [2021-02-23 23:02:47,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:02:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:47,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:47,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:47,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:47,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:47,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:47,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:47,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:47,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:47,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:47,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:47,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:47,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:47,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:47,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:47,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:47,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:47,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:47,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:47,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:47,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:02:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:48,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:48,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:48,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:48,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:02:48,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:02:48,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:48,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:48,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 23:02:48,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 23:02:48,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:48,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:02:48,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-23 23:02:48,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-23 23:02:48,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-23 23:02:48,756 WARN L141 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-02-23 23:02:48,757 WARN L147 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size 28 [2021-02-23 23:02:48,805 WARN L141 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size [2021-02-23 23:02:48,806 WARN L147 QuantifierPusher]: treesize reduction 10, result has 77.3 percent of original size 34 [2021-02-23 23:02:48,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 23:02:48,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:48,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 23:02:48,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:48,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 23:02:49,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 23:02:49,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 23:02:49,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 23:02:49,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 487 [2021-02-23 23:02:49,466 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-02-23 23:02:49,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 23:02:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:02:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 23:02:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 23:02:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:02:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:49,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:49,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:49,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 25 proven. 40 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-02-23 23:02:50,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176803351] [2021-02-23 23:02:50,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:02:50,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2021-02-23 23:02:50,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61221353] [2021-02-23 23:02:50,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-23 23:02:50,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:02:50,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-23 23:02:50,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-02-23 23:02:50,125 INFO L87 Difference]: Start difference. First operand 299 states and 331 transitions. Second operand 25 states. [2021-02-23 23:02:50,679 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-02-23 23:02:51,064 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-02-23 23:02:52,272 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-02-23 23:02:53,095 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-02-23 23:02:53,842 WARN L202 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-02-23 23:02:54,436 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-02-23 23:02:58,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:02:58,444 INFO L93 Difference]: Finished difference Result 596 states and 661 transitions. [2021-02-23 23:02:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-23 23:02:58,445 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 243 [2021-02-23 23:02:58,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:02:58,449 INFO L225 Difference]: With dead ends: 596 [2021-02-23 23:02:58,449 INFO L226 Difference]: Without dead ends: 319 [2021-02-23 23:02:58,451 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 [2021-02-23 23:02:58,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-02-23 23:02:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 299. [2021-02-23 23:02:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-02-23 23:02:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 329 transitions. [2021-02-23 23:02:58,499 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 329 transitions. Word has length 243 [2021-02-23 23:02:58,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:02:58,499 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 329 transitions. [2021-02-23 23:02:58,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2021-02-23 23:02:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 329 transitions. [2021-02-23 23:02:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-02-23 23:02:58,503 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:02:58,503 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] [2021-02-23 23:02:58,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:02:58,504 INFO L428 AbstractCegarLoop]: === Iteration 7 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:02:58,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:02:58,504 INFO L82 PathProgramCache]: Analyzing trace with hash -279275528, now seen corresponding path program 1 times [2021-02-23 23:02:58,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:02:58,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66840124] [2021-02-23 23:02:58,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:02:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:58,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:58,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:58,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:58,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:58,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:58,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:58,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:58,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:58,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:58,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:58,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:58,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:58,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:58,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:58,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:58,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:58,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:58,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:58,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:58,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:02:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:59,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:59,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:02:59,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:59,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:59,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 23:02:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:02:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:02:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 23:02:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:02:59,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:02:59,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:02:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:02:59,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:02:59,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:02:59,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:02:59,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:02:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:59,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:59,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:02:59,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 23:02:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:02:59,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:02:59,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:02:59,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:02:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:00,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:00,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:00,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:03:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:00,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:00,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:00,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:03:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:00,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:00,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:00,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:03:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:00,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:00,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:03:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:00,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:00,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:00,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:03:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:00,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:00,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:00,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:03:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:00,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:00,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-02-23 23:03:00,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66840124] [2021-02-23 23:03:00,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:03:00,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-02-23 23:03:00,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012259154] [2021-02-23 23:03:00,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-23 23:03:00,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:03:00,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-23 23:03:00,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=505, Unknown=0, NotChecked=0, Total=552 [2021-02-23 23:03:00,395 INFO L87 Difference]: Start difference. First operand 299 states and 329 transitions. Second operand 24 states. [2021-02-23 23:03:04,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:03:04,957 INFO L93 Difference]: Finished difference Result 531 states and 594 transitions. [2021-02-23 23:03:04,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-23 23:03:04,958 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 242 [2021-02-23 23:03:04,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:03:04,963 INFO L225 Difference]: With dead ends: 531 [2021-02-23 23:03:04,963 INFO L226 Difference]: Without dead ends: 421 [2021-02-23 23:03:04,965 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 [2021-02-23 23:03:04,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-02-23 23:03:05,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 336. [2021-02-23 23:03:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2021-02-23 23:03:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 371 transitions. [2021-02-23 23:03:05,011 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 371 transitions. Word has length 242 [2021-02-23 23:03:05,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:03:05,012 INFO L480 AbstractCegarLoop]: Abstraction has 336 states and 371 transitions. [2021-02-23 23:03:05,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-23 23:03:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 371 transitions. [2021-02-23 23:03:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-02-23 23:03:05,016 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:03:05,017 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] [2021-02-23 23:03:05,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:03:05,017 INFO L428 AbstractCegarLoop]: === Iteration 8 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:03:05,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:03:05,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1639303553, now seen corresponding path program 1 times [2021-02-23 23:03:05,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:03:05,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [629914756] [2021-02-23 23:03:05,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:03:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:05,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:05,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:05,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:05,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:03:05,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:05,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:03:05,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:05,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:03:05,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:05,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:03:05,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:05,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:03:05,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:05,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:03:05,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:05,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:03:05,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:05,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:05,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:03:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:05,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:05,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:05,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 23:03:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:06,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:03:06,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:03:06,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:03:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:06,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:03:06,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:03:06,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 23:03:06,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 23:03:06,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:03:06,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:03:06,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:03:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:06,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:03:06,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 23:03:06,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:03:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:06,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:03:06,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:03:06,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:03:06,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:06,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 23:03:06,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:07,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 23:03:07,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:03:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:07,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:07,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 23:03:07,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:07,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 23:03:07,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:07,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 23:03:07,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 23:03:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:07,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:07,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 922 [2021-02-23 23:03:07,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:07,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 922 [2021-02-23 23:03:07,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:07,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 922 [2021-02-23 23:03:07,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:03:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:07,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:07,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:03:07,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:07,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 23:03:07,989 WARN L141 QuantifierPusher]: treesize reduction 390, result has 71.1 percent of original size [2021-02-23 23:03:07,992 WARN L147 QuantifierPusher]: treesize reduction 390, result has 71.1 percent of original size 961 [2021-02-23 23:03:08,352 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2021-02-23 23:03:08,367 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-23 23:03:08,370 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-23 23:03:08,731 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-23 23:03:08,733 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-23 23:03:08,740 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-23 23:03:08,742 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-23 23:03:08,747 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-23 23:03:08,748 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-23 23:03:08,753 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-23 23:03:08,755 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-23 23:03:08,759 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-23 23:03:08,760 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-23 23:03:08,764 WARN L141 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size [2021-02-23 23:03:08,765 WARN L147 QuantifierPusher]: treesize reduction 1031, result has 28.2 percent of original size 404 [2021-02-23 23:03:08,788 WARN L141 QuantifierPusher]: treesize reduction 37270, result has 29.9 percent of original size [2021-02-23 23:03:08,797 WARN L147 QuantifierPusher]: treesize reduction 37270, result has 29.9 percent of original size 15921 [2021-02-23 23:03:09,632 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 21 [2021-02-23 23:03:09,653 WARN L141 QuantifierPusher]: treesize reduction 25001, result has 38.9 percent of original size [2021-02-23 23:03:09,661 WARN L147 QuantifierPusher]: treesize reduction 25001, result has 38.9 percent of original size 15921 [2021-02-23 23:03:09,685 WARN L141 QuantifierPusher]: treesize reduction 37270, result has 29.9 percent of original size [2021-02-23 23:03:09,694 WARN L147 QuantifierPusher]: treesize reduction 37270, result has 29.9 percent of original size 15921 [2021-02-23 23:03:09,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 23:03:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:09,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:09,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:03:09,720 WARN L141 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-02-23 23:03:09,721 WARN L147 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size 46 [2021-02-23 23:03:09,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:03:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:09,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:09,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:03:09,868 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-02-23 23:03:09,869 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-02-23 23:03:09,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:03:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:09,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:09,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-23 23:03:09,986 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-02-23 23:03:09,987 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-02-23 23:03:09,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:03:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:10,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:10,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:03:10,056 WARN L141 QuantifierPusher]: treesize reduction 150, result has 87.6 percent of original size [2021-02-23 23:03:10,058 WARN L147 QuantifierPusher]: treesize reduction 150, result has 87.6 percent of original size 1059 [2021-02-23 23:03:10,452 WARN L141 QuantifierPusher]: treesize reduction 150, result has 87.6 percent of original size [2021-02-23 23:03:10,453 WARN L147 QuantifierPusher]: treesize reduction 150, result has 87.6 percent of original size 1059 [2021-02-23 23:03:10,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:03:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:10,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:10,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:03:10,838 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-02-23 23:03:10,839 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-02-23 23:03:10,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:03:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:10,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:10,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-23 23:03:10,855 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-02-23 23:03:10,856 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-02-23 23:03:11,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 23:03:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:11,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:11,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 23:03:11,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:11,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-23 23:03:11,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 23:03:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:11,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:11,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 23:03:11,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:11,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-23 23:03:11,709 WARN L141 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size [2021-02-23 23:03:11,710 WARN L147 QuantifierPusher]: treesize reduction 11, result has 80.4 percent of original size 45 [2021-02-23 23:03:11,856 WARN L141 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-02-23 23:03:11,857 WARN L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-02-23 23:03:12,052 WARN L141 QuantifierPusher]: treesize reduction 15, result has 80.3 percent of original size [2021-02-23 23:03:12,053 WARN L147 QuantifierPusher]: treesize reduction 15, result has 80.3 percent of original size 61 [2021-02-23 23:03:12,233 WARN L141 QuantifierPusher]: treesize reduction 24, result has 76.5 percent of original size [2021-02-23 23:03:12,234 WARN L147 QuantifierPusher]: treesize reduction 24, result has 76.5 percent of original size 78 [2021-02-23 23:03:12,453 WARN L141 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-02-23 23:03:12,454 WARN L147 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size 58 [2021-02-23 23:03:12,650 WARN L141 QuantifierPusher]: treesize reduction 14, result has 79.1 percent of original size [2021-02-23 23:03:12,651 WARN L147 QuantifierPusher]: treesize reduction 14, result has 79.1 percent of original size 53 [2021-02-23 23:03:12,847 WARN L141 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size [2021-02-23 23:03:12,849 WARN L147 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size 61 [2021-02-23 23:03:12,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:13,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-23 23:03:13,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 23:03:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:13,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:13,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 23:03:13,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:13,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 23:03:13,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:13,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 23:03:13,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:13,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 23:03:13,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:13,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 23:03:13,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:13,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-02-23 23:03:13,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 23:03:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:03:14,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:14,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221467 [2021-02-23 23:03:15,246 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-23 23:03:15,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:15,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221467 [2021-02-23 23:03:15,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:15,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221467 [2021-02-23 23:03:15,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:03:15,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221467 [2021-02-23 23:03:15,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:03:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat