/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:46:54,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:46:54,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:46:54,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:46:54,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:46:54,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:46:54,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:46:54,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:46:54,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:46:54,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:46:54,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:46:54,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:46:54,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:46:54,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:46:54,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:46:54,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:46:54,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:46:54,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:46:54,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:46:54,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:46:54,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:46:54,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:46:54,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:46:54,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:46:54,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:46:54,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:46:54,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:46:54,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:46:54,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:46:54,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:46:54,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:46:54,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:46:54,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:46:54,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:46:54,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:46:54,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:46:54,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:46:54,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:46:54,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:46:54,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:46:54,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:46:54,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:46:55,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:46:55,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:46:55,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:46:55,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:46:55,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:46:55,027 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:46:55,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:46:55,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:46:55,032 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:46:55,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:46:55,033 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:46:55,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:46:55,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:46:55,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:46:55,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:46:55,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:46:55,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:46:55,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:46:55,037 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:46:55,037 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:46:55,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:46:55,038 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:46:55,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:46:55,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:46:55,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:46:55,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:46:55,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:46:55,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:46:55,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:46:55,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:46:55,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:46:55,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:46:55,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:46:55,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:46:55,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:46:55,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:46:55,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:46:55,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:46:55,520 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:46:55,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2022-10-16 12:46:55,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae64f659/44b6388dfb9d48adb597df04f6083e76/FLAGbe8cc598f [2022-10-16 12:46:56,782 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:46:56,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2022-10-16 12:46:56,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae64f659/44b6388dfb9d48adb597df04f6083e76/FLAGbe8cc598f [2022-10-16 12:46:57,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae64f659/44b6388dfb9d48adb597df04f6083e76 [2022-10-16 12:46:57,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:46:57,153 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:46:57,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:46:57,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:46:57,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:46:57,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:46:57" (1/1) ... [2022-10-16 12:46:57,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0613e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:57, skipping insertion in model container [2022-10-16 12:46:57,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:46:57" (1/1) ... [2022-10-16 12:46:57,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:46:57,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:46:59,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i[251756,251769] [2022-10-16 12:46:59,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:46:59,890 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:47:00,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i[251756,251769] [2022-10-16 12:47:00,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:47:00,836 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:47:00,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00 WrapperNode [2022-10-16 12:47:00,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:47:00,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:47:00,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:47:00,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:47:00,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:00,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:01,182 INFO L138 Inliner]: procedures = 372, calls = 2132, calls flagged for inlining = 121, calls inlined = 117, statements flattened = 5162 [2022-10-16 12:47:01,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:47:01,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:47:01,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:47:01,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:47:01,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:01,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:01,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:01,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:01,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:01,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:01,570 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:01,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:01,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:47:01,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:47:01,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:47:01,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:47:01,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (1/1) ... [2022-10-16 12:47:01,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:47:01,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:47:01,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:47:01,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:47:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2022-10-16 12:47:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2022-10-16 12:47:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-16 12:47:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-16 12:47:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2022-10-16 12:47:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2022-10-16 12:47:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2022-10-16 12:47:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2022-10-16 12:47:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-10-16 12:47:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-10-16 12:47:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-10-16 12:47:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-10-16 12:47:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 12:47:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 12:47:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2022-10-16 12:47:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2022-10-16 12:47:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-10-16 12:47:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-10-16 12:47:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2022-10-16 12:47:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2022-10-16 12:47:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2022-10-16 12:47:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2022-10-16 12:47:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2022-10-16 12:47:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2022-10-16 12:47:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2022-10-16 12:47:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2022-10-16 12:47:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2022-10-16 12:47:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2022-10-16 12:47:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2022-10-16 12:47:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2022-10-16 12:47:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:47:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:47:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-10-16 12:47:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-10-16 12:47:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2022-10-16 12:47:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2022-10-16 12:47:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2022-10-16 12:47:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2022-10-16 12:47:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2022-10-16 12:47:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2022-10-16 12:47:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2022-10-16 12:47:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2022-10-16 12:47:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2022-10-16 12:47:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2022-10-16 12:47:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2022-10-16 12:47:01,831 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2022-10-16 12:47:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-10-16 12:47:01,831 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-10-16 12:47:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2022-10-16 12:47:01,831 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2022-10-16 12:47:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2022-10-16 12:47:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2022-10-16 12:47:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2022-10-16 12:47:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2022-10-16 12:47:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:47:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:47:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:47:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:47:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2022-10-16 12:47:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2022-10-16 12:47:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2022-10-16 12:47:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2022-10-16 12:47:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-16 12:47:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-16 12:47:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:47:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:47:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2022-10-16 12:47:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2022-10-16 12:47:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2022-10-16 12:47:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2022-10-16 12:47:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2022-10-16 12:47:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2022-10-16 12:47:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 12:47:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 12:47:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2022-10-16 12:47:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2022-10-16 12:47:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:47:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:47:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-10-16 12:47:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-10-16 12:47:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-10-16 12:47:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-10-16 12:47:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2022-10-16 12:47:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2022-10-16 12:47:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2022-10-16 12:47:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2022-10-16 12:47:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2022-10-16 12:47:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2022-10-16 12:47:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-10-16 12:47:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-10-16 12:47:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2022-10-16 12:47:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2022-10-16 12:47:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:47:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 12:47:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 12:47:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2022-10-16 12:47:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2022-10-16 12:47:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2022-10-16 12:47:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2022-10-16 12:47:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2022-10-16 12:47:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2022-10-16 12:47:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-10-16 12:47:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-10-16 12:47:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2022-10-16 12:47:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2022-10-16 12:47:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2022-10-16 12:47:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2022-10-16 12:47:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2022-10-16 12:47:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2022-10-16 12:47:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-10-16 12:47:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-10-16 12:47:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2022-10-16 12:47:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2022-10-16 12:47:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2022-10-16 12:47:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2022-10-16 12:47:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:47:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2022-10-16 12:47:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2022-10-16 12:47:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2022-10-16 12:47:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2022-10-16 12:47:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 12:47:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 12:47:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2022-10-16 12:47:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2022-10-16 12:47:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2022-10-16 12:47:01,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2022-10-16 12:47:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2022-10-16 12:47:01,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2022-10-16 12:47:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2022-10-16 12:47:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2022-10-16 12:47:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2022-10-16 12:47:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2022-10-16 12:47:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2022-10-16 12:47:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2022-10-16 12:47:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-10-16 12:47:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-10-16 12:47:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:47:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:47:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2022-10-16 12:47:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2022-10-16 12:47:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2022-10-16 12:47:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2022-10-16 12:47:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2022-10-16 12:47:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2022-10-16 12:47:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2022-10-16 12:47:01,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2022-10-16 12:47:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-16 12:47:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-16 12:47:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 12:47:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 12:47:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2022-10-16 12:47:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2022-10-16 12:47:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 12:47:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 12:47:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-10-16 12:47:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-10-16 12:47:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-16 12:47:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-16 12:47:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2022-10-16 12:47:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2022-10-16 12:47:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2022-10-16 12:47:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2022-10-16 12:47:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2022-10-16 12:47:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2022-10-16 12:47:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2022-10-16 12:47:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2022-10-16 12:47:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2022-10-16 12:47:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2022-10-16 12:47:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 12:47:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 12:47:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2022-10-16 12:47:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2022-10-16 12:47:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-10-16 12:47:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-10-16 12:47:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2022-10-16 12:47:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2022-10-16 12:47:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:47:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2022-10-16 12:47:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2022-10-16 12:47:01,869 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2022-10-16 12:47:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2022-10-16 12:47:01,869 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2022-10-16 12:47:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2022-10-16 12:47:01,869 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2022-10-16 12:47:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2022-10-16 12:47:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-16 12:47:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-16 12:47:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2022-10-16 12:47:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2022-10-16 12:47:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2022-10-16 12:47:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2022-10-16 12:47:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2022-10-16 12:47:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2022-10-16 12:47:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2022-10-16 12:47:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2022-10-16 12:47:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:47:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:47:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2022-10-16 12:47:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2022-10-16 12:47:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2022-10-16 12:47:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2022-10-16 12:47:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-10-16 12:47:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-10-16 12:47:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2022-10-16 12:47:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2022-10-16 12:47:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-16 12:47:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-16 12:47:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2022-10-16 12:47:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2022-10-16 12:47:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2022-10-16 12:47:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2022-10-16 12:47:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2022-10-16 12:47:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2022-10-16 12:47:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2022-10-16 12:47:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2022-10-16 12:47:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:47:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2022-10-16 12:47:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2022-10-16 12:47:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2022-10-16 12:47:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2022-10-16 12:47:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2022-10-16 12:47:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2022-10-16 12:47:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-16 12:47:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-16 12:47:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:47:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:47:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2022-10-16 12:47:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2022-10-16 12:47:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2022-10-16 12:47:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2022-10-16 12:47:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2022-10-16 12:47:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2022-10-16 12:47:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2022-10-16 12:47:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2022-10-16 12:47:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2022-10-16 12:47:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2022-10-16 12:47:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2022-10-16 12:47:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2022-10-16 12:47:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-10-16 12:47:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-10-16 12:47:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:47:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2022-10-16 12:47:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2022-10-16 12:47:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2022-10-16 12:47:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2022-10-16 12:47:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-10-16 12:47:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-10-16 12:47:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-10-16 12:47:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-10-16 12:47:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-10-16 12:47:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2022-10-16 12:47:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2022-10-16 12:47:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2022-10-16 12:47:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2022-10-16 12:47:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-16 12:47:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-16 12:47:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:47:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2022-10-16 12:47:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2022-10-16 12:47:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 12:47:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 12:47:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-16 12:47:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-16 12:47:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2022-10-16 12:47:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2022-10-16 12:47:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:47:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2022-10-16 12:47:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2022-10-16 12:47:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:47:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2022-10-16 12:47:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2022-10-16 12:47:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2022-10-16 12:47:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2022-10-16 12:47:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-10-16 12:47:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-10-16 12:47:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:47:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:47:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2022-10-16 12:47:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2022-10-16 12:47:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-16 12:47:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-16 12:47:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2022-10-16 12:47:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2022-10-16 12:47:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-16 12:47:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-16 12:47:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-10-16 12:47:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-10-16 12:47:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2022-10-16 12:47:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2022-10-16 12:47:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-16 12:47:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-16 12:47:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2022-10-16 12:47:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2022-10-16 12:47:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2022-10-16 12:47:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2022-10-16 12:47:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2022-10-16 12:47:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2022-10-16 12:47:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2022-10-16 12:47:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2022-10-16 12:47:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2022-10-16 12:47:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2022-10-16 12:47:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-10-16 12:47:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-10-16 12:47:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2022-10-16 12:47:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2022-10-16 12:47:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-10-16 12:47:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-10-16 12:47:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 12:47:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 12:47:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:47:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:47:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2022-10-16 12:47:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2022-10-16 12:47:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2022-10-16 12:47:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2022-10-16 12:47:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2022-10-16 12:47:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2022-10-16 12:47:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2022-10-16 12:47:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2022-10-16 12:47:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:47:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2022-10-16 12:47:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2022-10-16 12:47:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-10-16 12:47:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-10-16 12:47:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2022-10-16 12:47:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2022-10-16 12:47:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:47:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:47:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2022-10-16 12:47:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2022-10-16 12:47:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:47:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:47:02,836 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:47:02,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:47:10,024 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:47:10,050 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:47:10,051 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:47:10,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:47:10 BoogieIcfgContainer [2022-10-16 12:47:10,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:47:10,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:47:10,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:47:10,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:47:10,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:46:57" (1/3) ... [2022-10-16 12:47:10,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f01804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:47:10, skipping insertion in model container [2022-10-16 12:47:10,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:47:00" (2/3) ... [2022-10-16 12:47:10,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f01804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:47:10, skipping insertion in model container [2022-10-16 12:47:10,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:47:10" (3/3) ... [2022-10-16 12:47:10,074 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2022-10-16 12:47:10,100 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:47:10,100 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2022-10-16 12:47:10,262 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:47:10,273 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@743f8d71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:47:10,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2022-10-16 12:47:10,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 2370 states, 1598 states have (on average 1.3635794743429286) internal successors, (2179), 1705 states have internal predecessors, (2179), 558 states have call successors, (558), 159 states have call predecessors, (558), 159 states have return successors, (558), 539 states have call predecessors, (558), 558 states have call successors, (558) [2022-10-16 12:47:10,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 12:47:10,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:10,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:10,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:47:10,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:10,348 INFO L85 PathProgramCache]: Analyzing trace with hash 781289629, now seen corresponding path program 1 times [2022-10-16 12:47:10,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:10,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707828366] [2022-10-16 12:47:10,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:10,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 12:47:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:47:11,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:11,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707828366] [2022-10-16 12:47:11,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707828366] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:11,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:11,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:47:11,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753838505] [2022-10-16 12:47:11,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:11,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:47:11,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:11,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:47:11,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:47:11,252 INFO L87 Difference]: Start difference. First operand has 2370 states, 1598 states have (on average 1.3635794743429286) internal successors, (2179), 1705 states have internal predecessors, (2179), 558 states have call successors, (558), 159 states have call predecessors, (558), 159 states have return successors, (558), 539 states have call predecessors, (558), 558 states have call successors, (558) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:47:16,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:47:23,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:23,295 INFO L93 Difference]: Finished difference Result 7391 states and 10592 transitions. [2022-10-16 12:47:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:47:23,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-10-16 12:47:23,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:23,410 INFO L225 Difference]: With dead ends: 7391 [2022-10-16 12:47:23,410 INFO L226 Difference]: Without dead ends: 4974 [2022-10-16 12:47:23,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:47:23,459 INFO L413 NwaCegarLoop]: 3613 mSDtfsCounter, 4078 mSDsluCounter, 3706 mSDsCounter, 0 mSdLazyCounter, 2901 mSolverCounterSat, 1652 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4461 SdHoareTripleChecker+Valid, 7319 SdHoareTripleChecker+Invalid, 4554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1652 IncrementalHoareTripleChecker+Valid, 2901 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:23,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4461 Valid, 7319 Invalid, 4554 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1652 Valid, 2901 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2022-10-16 12:47:23,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4974 states. [2022-10-16 12:47:23,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4974 to 4522. [2022-10-16 12:47:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4522 states, 3083 states have (on average 1.3529030165423288) internal successors, (4171), 3236 states have internal predecessors, (4171), 1069 states have call successors, (1069), 316 states have call predecessors, (1069), 316 states have return successors, (1069), 1031 states have call predecessors, (1069), 1069 states have call successors, (1069) [2022-10-16 12:47:24,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4522 states to 4522 states and 6309 transitions. [2022-10-16 12:47:24,055 INFO L78 Accepts]: Start accepts. Automaton has 4522 states and 6309 transitions. Word has length 26 [2022-10-16 12:47:24,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:24,056 INFO L495 AbstractCegarLoop]: Abstraction has 4522 states and 6309 transitions. [2022-10-16 12:47:24,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:47:24,057 INFO L276 IsEmpty]: Start isEmpty. Operand 4522 states and 6309 transitions. [2022-10-16 12:47:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 12:47:24,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:24,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:24,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:47:24,071 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:47:24,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:24,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1206181786, now seen corresponding path program 1 times [2022-10-16 12:47:24,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:24,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444965243] [2022-10-16 12:47:24,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:24,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:24,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 12:47:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:47:24,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:24,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444965243] [2022-10-16 12:47:24,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444965243] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:24,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:24,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:47:24,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233782461] [2022-10-16 12:47:24,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:24,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:47:24,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:24,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:47:24,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:47:24,419 INFO L87 Difference]: Start difference. First operand 4522 states and 6309 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:47:25,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:25,210 INFO L93 Difference]: Finished difference Result 13306 states and 18517 transitions. [2022-10-16 12:47:25,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:47:25,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-10-16 12:47:25,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:25,289 INFO L225 Difference]: With dead ends: 13306 [2022-10-16 12:47:25,289 INFO L226 Difference]: Without dead ends: 8787 [2022-10-16 12:47:25,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:47:25,323 INFO L413 NwaCegarLoop]: 4380 mSDtfsCounter, 3037 mSDsluCounter, 3159 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3037 SdHoareTripleChecker+Valid, 7539 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:25,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3037 Valid, 7539 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:47:25,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8787 states. [2022-10-16 12:47:25,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8787 to 8743. [2022-10-16 12:47:25,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8743 states, 5977 states have (on average 1.3453237410071943) internal successors, (8041), 6230 states have internal predecessors, (8041), 2084 states have call successors, (2084), 628 states have call predecessors, (2084), 628 states have return successors, (2084), 2008 states have call predecessors, (2084), 2084 states have call successors, (2084) [2022-10-16 12:47:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8743 states to 8743 states and 12209 transitions. [2022-10-16 12:47:25,958 INFO L78 Accepts]: Start accepts. Automaton has 8743 states and 12209 transitions. Word has length 27 [2022-10-16 12:47:25,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:25,958 INFO L495 AbstractCegarLoop]: Abstraction has 8743 states and 12209 transitions. [2022-10-16 12:47:25,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:47:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 8743 states and 12209 transitions. [2022-10-16 12:47:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 12:47:25,963 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:25,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:25,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:47:25,964 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:47:25,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:25,965 INFO L85 PathProgramCache]: Analyzing trace with hash 410462566, now seen corresponding path program 1 times [2022-10-16 12:47:25,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:25,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926268320] [2022-10-16 12:47:25,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:25,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:26,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:47:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:47:26,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:26,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926268320] [2022-10-16 12:47:26,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926268320] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:26,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:26,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:47:26,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663085156] [2022-10-16 12:47:26,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:26,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:47:26,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:26,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:47:26,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:47:26,193 INFO L87 Difference]: Start difference. First operand 8743 states and 12209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:47:30,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 12:47:32,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:47:39,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:39,488 INFO L93 Difference]: Finished difference Result 25329 states and 35577 transitions. [2022-10-16 12:47:39,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:47:39,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-10-16 12:47:39,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:39,635 INFO L225 Difference]: With dead ends: 25329 [2022-10-16 12:47:39,635 INFO L226 Difference]: Without dead ends: 16589 [2022-10-16 12:47:39,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:47:39,698 INFO L413 NwaCegarLoop]: 5122 mSDtfsCounter, 3578 mSDsluCounter, 4269 mSDsCounter, 0 mSdLazyCounter, 3320 mSolverCounterSat, 1265 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3957 SdHoareTripleChecker+Valid, 9391 SdHoareTripleChecker+Invalid, 4586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1265 IncrementalHoareTripleChecker+Valid, 3320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:39,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3957 Valid, 9391 Invalid, 4586 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1265 Valid, 3320 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2022-10-16 12:47:39,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16589 states. [2022-10-16 12:47:40,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16589 to 15170. [2022-10-16 12:47:40,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15170 states, 10391 states have (on average 1.3405831969974016) internal successors, (13930), 10786 states have internal predecessors, (13930), 3594 states have call successors, (3594), 1131 states have call predecessors, (3594), 1131 states have return successors, (3594), 3464 states have call predecessors, (3594), 3594 states have call successors, (3594) [2022-10-16 12:47:40,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15170 states to 15170 states and 21118 transitions. [2022-10-16 12:47:40,939 INFO L78 Accepts]: Start accepts. Automaton has 15170 states and 21118 transitions. Word has length 27 [2022-10-16 12:47:40,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:40,940 INFO L495 AbstractCegarLoop]: Abstraction has 15170 states and 21118 transitions. [2022-10-16 12:47:40,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:47:40,940 INFO L276 IsEmpty]: Start isEmpty. Operand 15170 states and 21118 transitions. [2022-10-16 12:47:40,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 12:47:40,944 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:40,944 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:47:40,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:47:40,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:47:40,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:40,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1632113717, now seen corresponding path program 1 times [2022-10-16 12:47:40,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:40,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401109451] [2022-10-16 12:47:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:40,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:47:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:41,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:47:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:47:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:47:41,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:41,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401109451] [2022-10-16 12:47:41,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401109451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:41,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:41,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:47:41,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660165028] [2022-10-16 12:47:41,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:41,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:47:41,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:41,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:47:41,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:47:41,307 INFO L87 Difference]: Start difference. First operand 15170 states and 21118 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:42,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:42,478 INFO L93 Difference]: Finished difference Result 45224 states and 62868 transitions. [2022-10-16 12:47:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:47:42,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2022-10-16 12:47:42,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:42,677 INFO L225 Difference]: With dead ends: 45224 [2022-10-16 12:47:42,677 INFO L226 Difference]: Without dead ends: 30057 [2022-10-16 12:47:42,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:47:42,762 INFO L413 NwaCegarLoop]: 5872 mSDtfsCounter, 3181 mSDsluCounter, 3219 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3181 SdHoareTripleChecker+Valid, 9091 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:42,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3181 Valid, 9091 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:47:42,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30057 states. [2022-10-16 12:47:44,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30057 to 30003. [2022-10-16 12:47:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30003 states, 20563 states have (on average 1.3372076058940816) internal successors, (27497), 21300 states have internal predecessors, (27497), 7124 states have call successors, (7124), 2262 states have call predecessors, (7124), 2262 states have return successors, (7124), 6864 states have call predecessors, (7124), 7124 states have call successors, (7124) [2022-10-16 12:47:44,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30003 states to 30003 states and 41745 transitions. [2022-10-16 12:47:44,967 INFO L78 Accepts]: Start accepts. Automaton has 30003 states and 41745 transitions. Word has length 41 [2022-10-16 12:47:44,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:44,967 INFO L495 AbstractCegarLoop]: Abstraction has 30003 states and 41745 transitions. [2022-10-16 12:47:44,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:44,968 INFO L276 IsEmpty]: Start isEmpty. Operand 30003 states and 41745 transitions. [2022-10-16 12:47:44,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 12:47:44,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:44,971 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:47:44,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:47:44,971 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:47:44,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:44,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1637010430, now seen corresponding path program 1 times [2022-10-16 12:47:44,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:44,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668731692] [2022-10-16 12:47:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:44,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:47:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:47:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:47:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:45,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:47:45,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:45,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668731692] [2022-10-16 12:47:45,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668731692] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:45,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:45,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:47:45,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676308930] [2022-10-16 12:47:45,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:45,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:47:45,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:45,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:47:45,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:47:45,428 INFO L87 Difference]: Start difference. First operand 30003 states and 41745 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:47,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:47,832 INFO L93 Difference]: Finished difference Result 89082 states and 123802 transitions. [2022-10-16 12:47:47,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:47:47,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2022-10-16 12:47:47,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:48,229 INFO L225 Difference]: With dead ends: 89082 [2022-10-16 12:47:48,230 INFO L226 Difference]: Without dead ends: 59082 [2022-10-16 12:47:48,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:47:48,399 INFO L413 NwaCegarLoop]: 5608 mSDtfsCounter, 3183 mSDsluCounter, 3219 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3183 SdHoareTripleChecker+Valid, 8827 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:48,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3183 Valid, 8827 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:47:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59082 states. [2022-10-16 12:47:52,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59082 to 59028. [2022-10-16 12:47:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59028 states, 40441 states have (on average 1.334289458717638) internal successors, (53960), 41862 states have internal predecessors, (53960), 14042 states have call successors, (14042), 4491 states have call predecessors, (14042), 4491 states have return successors, (14042), 13522 states have call predecessors, (14042), 14042 states have call successors, (14042) [2022-10-16 12:47:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59028 states to 59028 states and 82044 transitions. [2022-10-16 12:47:52,798 INFO L78 Accepts]: Start accepts. Automaton has 59028 states and 82044 transitions. Word has length 39 [2022-10-16 12:47:52,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:52,799 INFO L495 AbstractCegarLoop]: Abstraction has 59028 states and 82044 transitions. [2022-10-16 12:47:52,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 59028 states and 82044 transitions. [2022-10-16 12:47:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 12:47:52,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:52,838 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:52,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:47:52,841 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:47:52,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:52,842 INFO L85 PathProgramCache]: Analyzing trace with hash 30178151, now seen corresponding path program 1 times [2022-10-16 12:47:52,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:52,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322989183] [2022-10-16 12:47:52,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:52,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:47:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:53,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:53,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 12:47:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:53,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:47:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 12:47:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:47:53,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:53,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322989183] [2022-10-16 12:47:53,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322989183] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:53,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:53,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:47:53,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813562052] [2022-10-16 12:47:53,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:53,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:47:53,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:53,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:47:53,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:47:53,888 INFO L87 Difference]: Start difference. First operand 59028 states and 82044 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 12:47:59,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 12:48:01,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:04,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:13,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:13,063 INFO L93 Difference]: Finished difference Result 128933 states and 181869 transitions. [2022-10-16 12:48:13,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:48:13,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2022-10-16 12:48:13,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:14,226 INFO L225 Difference]: With dead ends: 128933 [2022-10-16 12:48:14,227 INFO L226 Difference]: Without dead ends: 128903 [2022-10-16 12:48:14,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:14,314 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 4173 mSDsluCounter, 3572 mSDsCounter, 0 mSdLazyCounter, 2879 mSolverCounterSat, 1722 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4560 SdHoareTripleChecker+Valid, 6958 SdHoareTripleChecker+Invalid, 4604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1722 IncrementalHoareTripleChecker+Valid, 2879 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:14,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4560 Valid, 6958 Invalid, 4604 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1722 Valid, 2879 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2022-10-16 12:48:14,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128903 states. [2022-10-16 12:48:20,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128903 to 117999. [2022-10-16 12:48:21,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117999 states, 80879 states have (on average 1.3283670668529532) internal successors, (107437), 83668 states have internal predecessors, (107437), 28084 states have call successors, (28084), 8982 states have call predecessors, (28084), 8982 states have return successors, (28084), 27044 states have call predecessors, (28084), 28084 states have call successors, (28084) [2022-10-16 12:48:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117999 states to 117999 states and 163605 transitions. [2022-10-16 12:48:22,644 INFO L78 Accepts]: Start accepts. Automaton has 117999 states and 163605 transitions. Word has length 72 [2022-10-16 12:48:22,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:22,645 INFO L495 AbstractCegarLoop]: Abstraction has 117999 states and 163605 transitions. [2022-10-16 12:48:22,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 12:48:22,646 INFO L276 IsEmpty]: Start isEmpty. Operand 117999 states and 163605 transitions. [2022-10-16 12:48:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 12:48:22,722 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:22,723 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:22,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:48:22,724 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:48:22,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:22,725 INFO L85 PathProgramCache]: Analyzing trace with hash -260878784, now seen corresponding path program 1 times [2022-10-16 12:48:22,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:22,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477623524] [2022-10-16 12:48:22,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:22,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:48:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 12:48:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:48:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 12:48:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 12:48:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:48:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 12:48:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 12:48:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:48:23,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:23,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477623524] [2022-10-16 12:48:23,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477623524] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:23,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:23,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:48:23,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486125158] [2022-10-16 12:48:23,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:23,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:48:23,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:23,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:48:23,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:23,624 INFO L87 Difference]: Start difference. First operand 117999 states and 163605 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 12:48:29,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 12:48:31,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:33,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:44,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:44,934 INFO L93 Difference]: Finished difference Result 262649 states and 370795 transitions. [2022-10-16 12:48:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:48:44,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 83 [2022-10-16 12:48:44,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:45,974 INFO L225 Difference]: With dead ends: 262649 [2022-10-16 12:48:45,974 INFO L226 Difference]: Without dead ends: 144653 [2022-10-16 12:48:46,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:48:46,699 INFO L413 NwaCegarLoop]: 2885 mSDtfsCounter, 1859 mSDsluCounter, 4622 mSDsCounter, 0 mSdLazyCounter, 3264 mSolverCounterSat, 1683 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 7507 SdHoareTripleChecker+Invalid, 4950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1683 IncrementalHoareTripleChecker+Valid, 3264 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:46,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1983 Valid, 7507 Invalid, 4950 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1683 Valid, 3264 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2022-10-16 12:48:46,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144653 states. [2022-10-16 12:48:53,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144653 to 118255. [2022-10-16 12:48:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118255 states, 81071 states have (on average 1.3275893969483539) internal successors, (107629), 83860 states have internal predecessors, (107629), 28148 states have call successors, (28148), 8982 states have call predecessors, (28148), 8982 states have return successors, (28148), 27108 states have call predecessors, (28148), 28148 states have call successors, (28148) [2022-10-16 12:48:54,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118255 states to 118255 states and 163925 transitions. [2022-10-16 12:48:54,851 INFO L78 Accepts]: Start accepts. Automaton has 118255 states and 163925 transitions. Word has length 83 [2022-10-16 12:48:54,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:54,854 INFO L495 AbstractCegarLoop]: Abstraction has 118255 states and 163925 transitions. [2022-10-16 12:48:54,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 12:48:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 118255 states and 163925 transitions. [2022-10-16 12:48:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 12:48:54,925 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:54,925 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:54,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:48:54,926 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:48:54,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:54,927 INFO L85 PathProgramCache]: Analyzing trace with hash -30264972, now seen corresponding path program 1 times [2022-10-16 12:48:54,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:54,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707642308] [2022-10-16 12:48:54,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:54,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:48:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 12:48:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:48:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 12:48:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 12:48:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 12:48:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:55,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 12:48:55,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:55,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707642308] [2022-10-16 12:48:55,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707642308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:55,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:55,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:48:55,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349895534] [2022-10-16 12:48:55,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:55,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:48:55,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:55,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:48:55,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:48:55,622 INFO L87 Difference]: Start difference. First operand 118255 states and 163925 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-10-16 12:49:02,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:49:02,619 INFO L93 Difference]: Finished difference Result 236635 states and 328039 transitions. [2022-10-16 12:49:02,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:49:02,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 85 [2022-10-16 12:49:02,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:49:03,626 INFO L225 Difference]: With dead ends: 236635 [2022-10-16 12:49:03,626 INFO L226 Difference]: Without dead ends: 118383 [2022-10-16 12:49:04,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:49:04,016 INFO L413 NwaCegarLoop]: 3256 mSDtfsCounter, 3238 mSDsluCounter, 9733 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 12989 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:49:04,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 12989 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:49:04,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118383 states. [2022-10-16 12:49:10,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118383 to 118383. [2022-10-16 12:49:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118383 states, 81135 states have (on average 1.3269365871695322) internal successors, (107661), 83924 states have internal predecessors, (107661), 28196 states have call successors, (28196), 8998 states have call predecessors, (28196), 8998 states have return successors, (28196), 27156 states have call predecessors, (28196), 28196 states have call successors, (28196) [2022-10-16 12:49:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118383 states to 118383 states and 164053 transitions. [2022-10-16 12:49:11,550 INFO L78 Accepts]: Start accepts. Automaton has 118383 states and 164053 transitions. Word has length 85 [2022-10-16 12:49:11,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:49:11,551 INFO L495 AbstractCegarLoop]: Abstraction has 118383 states and 164053 transitions. [2022-10-16 12:49:11,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-10-16 12:49:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 118383 states and 164053 transitions. [2022-10-16 12:49:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 12:49:11,642 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:49:11,642 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:49:11,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:49:11,643 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:49:11,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:49:11,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1403253803, now seen corresponding path program 1 times [2022-10-16 12:49:11,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:49:11,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283382727] [2022-10-16 12:49:11,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:49:11,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:49:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:49:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:49:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 12:49:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:49:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 12:49:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:12,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 12:49:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:12,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 12:49:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:12,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:49:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 12:49:12,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:49:12,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283382727] [2022-10-16 12:49:12,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283382727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:49:12,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:49:12,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:49:12,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435609301] [2022-10-16 12:49:12,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:49:12,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:49:12,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:49:12,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:49:12,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:49:12,258 INFO L87 Difference]: Start difference. First operand 118383 states and 164053 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-10-16 12:49:19,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:49:19,773 INFO L93 Difference]: Finished difference Result 236569 states and 327847 transitions. [2022-10-16 12:49:19,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:49:19,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 87 [2022-10-16 12:49:19,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:49:20,580 INFO L225 Difference]: With dead ends: 236569 [2022-10-16 12:49:20,580 INFO L226 Difference]: Without dead ends: 118189 [2022-10-16 12:49:21,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:49:21,354 INFO L413 NwaCegarLoop]: 3242 mSDtfsCounter, 3237 mSDsluCounter, 6474 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3238 SdHoareTripleChecker+Valid, 9716 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:49:21,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3238 Valid, 9716 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:49:21,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118189 states. [2022-10-16 12:49:27,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118189 to 118189. [2022-10-16 12:49:27,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118189 states, 80975 states have (on average 1.32639703612226) internal successors, (107405), 83762 states have internal predecessors, (107405), 28164 states have call successors, (28164), 8998 states have call predecessors, (28164), 8998 states have return successors, (28164), 27124 states have call predecessors, (28164), 28164 states have call successors, (28164) [2022-10-16 12:49:28,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118189 states to 118189 states and 163733 transitions. [2022-10-16 12:49:28,687 INFO L78 Accepts]: Start accepts. Automaton has 118189 states and 163733 transitions. Word has length 87 [2022-10-16 12:49:28,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:49:28,689 INFO L495 AbstractCegarLoop]: Abstraction has 118189 states and 163733 transitions. [2022-10-16 12:49:28,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-10-16 12:49:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 118189 states and 163733 transitions. [2022-10-16 12:49:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 12:49:28,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:49:28,805 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:49:28,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 12:49:28,805 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:49:28,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:49:28,809 INFO L85 PathProgramCache]: Analyzing trace with hash -956532367, now seen corresponding path program 1 times [2022-10-16 12:49:28,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:49:28,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654822691] [2022-10-16 12:49:28,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:49:28,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:49:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:49:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:49:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 12:49:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:49:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 12:49:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 12:49:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:49:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 12:49:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:49:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 12:49:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 12:49:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:49:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 12:49:29,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:49:29,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654822691] [2022-10-16 12:49:29,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654822691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:49:29,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:49:29,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:49:29,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839435221] [2022-10-16 12:49:29,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:49:29,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:49:29,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:49:29,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:49:29,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:49:29,146 INFO L87 Difference]: Start difference. First operand 118189 states and 163733 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 12:49:35,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 12:49:37,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 12:49:39,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:49:42,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:49:51,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:49:51,613 INFO L93 Difference]: Finished difference Result 144347 states and 206425 transitions. [2022-10-16 12:49:51,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:49:51,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 90 [2022-10-16 12:49:51,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:49:52,337 INFO L225 Difference]: With dead ends: 144347 [2022-10-16 12:49:52,338 INFO L226 Difference]: Without dead ends: 144346 [2022-10-16 12:49:52,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:49:52,404 INFO L413 NwaCegarLoop]: 2892 mSDtfsCounter, 1835 mSDsluCounter, 4619 mSDsCounter, 0 mSdLazyCounter, 3281 mSolverCounterSat, 1664 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 7511 SdHoareTripleChecker+Invalid, 4949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1664 IncrementalHoareTripleChecker+Valid, 3281 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-10-16 12:49:52,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 7511 Invalid, 4949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1664 Valid, 3281 Invalid, 4 Unknown, 0 Unchecked, 14.9s Time] [2022-10-16 12:49:52,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144346 states. [2022-10-16 12:49:59,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144346 to 118188. [2022-10-16 12:49:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118188 states, 80975 states have (on average 1.325606668724915) internal successors, (107341), 83761 states have internal predecessors, (107341), 28164 states have call successors, (28164), 8998 states have call predecessors, (28164), 8998 states have return successors, (28164), 27124 states have call predecessors, (28164), 28164 states have call successors, (28164) [2022-10-16 12:50:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118188 states to 118188 states and 163669 transitions. [2022-10-16 12:50:00,753 INFO L78 Accepts]: Start accepts. Automaton has 118188 states and 163669 transitions. Word has length 90 [2022-10-16 12:50:00,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:50:00,754 INFO L495 AbstractCegarLoop]: Abstraction has 118188 states and 163669 transitions. [2022-10-16 12:50:00,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 12:50:00,754 INFO L276 IsEmpty]: Start isEmpty. Operand 118188 states and 163669 transitions. [2022-10-16 12:50:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 12:50:00,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:50:00,823 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:50:00,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 12:50:00,824 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [persistent_commit_mergeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, persistent_commit_mergeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2022-10-16 12:50:00,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:50:00,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1042745289, now seen corresponding path program 1 times [2022-10-16 12:50:00,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:50:00,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936009507] [2022-10-16 12:50:00,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:50:00,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:50:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:50:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:50:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:50:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:50:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:50:01,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 12:50:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:50:01,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:50:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:50:01,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 12:50:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:50:01,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:50:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:50:01,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 12:50:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:50:01,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:50:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:50:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 12:50:01,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:50:01,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936009507] [2022-10-16 12:50:01,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936009507] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:50:01,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:50:01,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:50:01,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897059894] [2022-10-16 12:50:01,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:50:01,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:50:01,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:50:01,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:50:01,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:50:01,138 INFO L87 Difference]: Start difference. First operand 118188 states and 163669 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)