/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-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:54:42,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:54:42,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:54:42,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:54:42,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:54:42,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:54:42,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:54:42,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:54:42,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:54:42,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:54:42,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:54:42,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:54:42,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:54:42,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:54:42,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:54:42,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:54:42,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:54:42,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:54:42,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:54:42,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:54:42,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:54:42,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:54:42,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:54:42,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:54:42,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:54:42,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:54:42,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:54:42,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:54:42,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:54:42,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:54:42,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:54:42,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:54:42,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:54:42,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:54:42,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:54:42,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:54:42,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:54:42,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:54:42,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:54:42,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:54:42,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:54:42,220 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 12:54:42,273 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:54:42,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:54:42,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:54:42,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:54:42,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:54:42,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:54:42,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:54:42,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:54:42,276 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:54:42,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:54:42,276 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:54:42,277 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:54:42,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:54:42,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:54:42,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:54:42,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:54:42,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:54:42,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:54:42,278 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:54:42,278 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:54:42,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:54:42,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:54:42,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:54:42,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:54:42,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:54:42,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:54:42,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:54:42,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:54:42,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:54:42,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:54:42,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:54:42,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:54:42,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:54:42,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:54:42,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:54:42,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:54:42,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:54:42,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:54:42,732 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:54:42,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i [2022-10-16 12:54:42,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c877eed/8a7645e3877f4027b5025d8ecbd350c5/FLAGf84a1d2e3 [2022-10-16 12:54:43,887 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:54:43,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i [2022-10-16 12:54:43,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c877eed/8a7645e3877f4027b5025d8ecbd350c5/FLAGf84a1d2e3 [2022-10-16 12:54:44,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c877eed/8a7645e3877f4027b5025d8ecbd350c5 [2022-10-16 12:54:44,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:54:44,296 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:54:44,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:54:44,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:54:44,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:54:44,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:54:44" (1/1) ... [2022-10-16 12:54:44,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be82b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:44, skipping insertion in model container [2022-10-16 12:54:44,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:54:44" (1/1) ... [2022-10-16 12:54:44,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:54:44,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:54:45,813 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-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i[187273,187286] [2022-10-16 12:54:46,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:54:46,079 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:54:46,572 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-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i[187273,187286] [2022-10-16 12:54:46,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:54:46,794 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:54:46,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46 WrapperNode [2022-10-16 12:54:46,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:54:46,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:54:46,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:54:46,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:54:46,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:46,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:47,081 INFO L138 Inliner]: procedures = 152, calls = 1731, calls flagged for inlining = 66, calls inlined = 53, statements flattened = 2915 [2022-10-16 12:54:47,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:54:47,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:54:47,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:54:47,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:54:47,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:47,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:47,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:47,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:47,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:47,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:47,312 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:47,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:47,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:54:47,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:54:47,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:54:47,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:54:47,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (1/1) ... [2022-10-16 12:54:47,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:54:47,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:54:47,379 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 12:54:47,394 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 12:54:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-16 12:54:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:54:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 12:54:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 12:54:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:54:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:54:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_service_main_thread [2022-10-16 12:54:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_service_main_thread [2022-10-16 12:54:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_prepare_command [2022-10-16 12:54:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_prepare_command [2022-10-16 12:54:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-10-16 12:54:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-10-16 12:54:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:54:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_open_generic [2022-10-16 12:54:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_open_generic [2022-10-16 12:54:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-16 12:54:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-16 12:54:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:54:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:54:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2022-10-16 12:54:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2022-10-16 12:54:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:54:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:54:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:54:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 12:54:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 12:54:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:54:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:54:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:54:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:54:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-10-16 12:54:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-10-16 12:54:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure bt_skb_alloc [2022-10-16 12:54:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_skb_alloc [2022-10-16 12:54:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:54:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:54:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:54:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 12:54:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 12:54:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-10-16 12:54:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-10-16 12:54:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:54:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:54:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-10-16 12:54:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-10-16 12:54:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-16 12:54:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-16 12:54:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:54:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:54:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-10-16 12:54:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-10-16 12:54:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-16 12:54:47,453 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-16 12:54:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 12:54:47,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-16 12:54:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-16 12:54:47,453 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-16 12:54:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-10-16 12:54:47,454 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-10-16 12:54:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-10-16 12:54:47,454 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-10-16 12:54:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:54:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 12:54:47,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 12:54:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-16 12:54:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-16 12:54:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:54:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:54:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:54:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:54:48,053 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:54:48,056 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:54:49,016 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-16 12:54:49,016 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-16 12:54:49,401 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6055: SUMMARY for call #t~ret304#1.base, #t~ret304#1.offset := get_current(); srcloc: null [2022-10-16 12:54:49,402 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6055-1: ~tmp___7~1#1.base, ~tmp___7~1#1.offset := #t~ret304#1.base, #t~ret304#1.offset;havoc #t~ret304#1.base, #t~ret304#1.offset;~__ptr___3~0#1.base, ~__ptr___3~0#1.offset := ~tmp___7~1#1.base, ~tmp___7~1#1.offset; [2022-10-16 12:54:49,402 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2022-10-16 12:54:49,402 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2022-10-16 12:54:49,402 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-16 12:54:49,402 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-16 12:54:49,403 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5979: SUMMARY for call #t~ret294#1.base, #t~ret294#1.offset := get_current(); srcloc: null [2022-10-16 12:54:49,403 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5979-1: ~tmp___1~3#1.base, ~tmp___1~3#1.offset := #t~ret294#1.base, #t~ret294#1.offset;havoc #t~ret294#1.base, #t~ret294#1.offset;~__ptr~0#1.base, ~__ptr~0#1.offset := ~tmp___1~3#1.base, ~tmp___1~3#1.offset; [2022-10-16 12:54:49,417 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:54:51,116 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2022-10-16 12:54:51,116 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2022-10-16 12:54:51,156 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:54:51,170 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:54:51,171 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 12:54:51,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:54:51 BoogieIcfgContainer [2022-10-16 12:54:51,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:54:51,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:54:51,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:54:51,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:54:51,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:54:44" (1/3) ... [2022-10-16 12:54:51,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699ad712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:54:51, skipping insertion in model container [2022-10-16 12:54:51,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:46" (2/3) ... [2022-10-16 12:54:51,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699ad712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:54:51, skipping insertion in model container [2022-10-16 12:54:51,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:54:51" (3/3) ... [2022-10-16 12:54:51,184 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i [2022-10-16 12:54:51,204 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:54:51,205 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 12:54:51,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:54:51,289 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;@661fcb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:54:51,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 12:54:51,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 613 states, 436 states have (on average 1.4701834862385321) internal successors, (641), 476 states have internal predecessors, (641), 116 states have call successors, (116), 28 states have call predecessors, (116), 28 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2022-10-16 12:54:51,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 12:54:51,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:54:51,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:54:51,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:54:51,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:54:51,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1449942720, now seen corresponding path program 1 times [2022-10-16 12:54:51,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:54:51,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825369771] [2022-10-16 12:54:51,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:54:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:54:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:54:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:54:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:52,227 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 12:54:52,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:54:52,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825369771] [2022-10-16 12:54:52,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825369771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:54:52,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:54:52,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:54:52,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454704628] [2022-10-16 12:54:52,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:54:52,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:54:52,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:54:52,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:54:52,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:54:52,298 INFO L87 Difference]: Start difference. First operand has 613 states, 436 states have (on average 1.4701834862385321) internal successors, (641), 476 states have internal predecessors, (641), 116 states have call successors, (116), 28 states have call predecessors, (116), 28 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:54:54,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:54:54,010 INFO L93 Difference]: Finished difference Result 1504 states and 2229 transitions. [2022-10-16 12:54:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:54:54,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-10-16 12:54:54,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:54:54,036 INFO L225 Difference]: With dead ends: 1504 [2022-10-16 12:54:54,036 INFO L226 Difference]: Without dead ends: 879 [2022-10-16 12:54:54,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:54:54,050 INFO L413 NwaCegarLoop]: 987 mSDtfsCounter, 417 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:54:54,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2215 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 12:54:54,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2022-10-16 12:54:54,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 831. [2022-10-16 12:54:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 599 states have (on average 1.4424040066777963) internal successors, (864), 637 states have internal predecessors, (864), 175 states have call successors, (175), 27 states have call predecessors, (175), 27 states have return successors, (175), 174 states have call predecessors, (175), 175 states have call successors, (175) [2022-10-16 12:54:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1214 transitions. [2022-10-16 12:54:54,217 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1214 transitions. Word has length 19 [2022-10-16 12:54:54,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:54:54,217 INFO L495 AbstractCegarLoop]: Abstraction has 831 states and 1214 transitions. [2022-10-16 12:54:54,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:54:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1214 transitions. [2022-10-16 12:54:54,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 12:54:54,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:54:54,224 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] [2022-10-16 12:54:54,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:54:54,225 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:54:54,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:54:54,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1462846995, now seen corresponding path program 1 times [2022-10-16 12:54:54,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:54:54,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404104375] [2022-10-16 12:54:54,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:54:54,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:54:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:54,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:54:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:54:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:54,692 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 12:54:54,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:54:54,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404104375] [2022-10-16 12:54:54,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404104375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:54:54,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:54:54,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:54:54,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30811269] [2022-10-16 12:54:54,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:54:54,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:54:54,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:54:54,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:54:54,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:54:54,698 INFO L87 Difference]: Start difference. First operand 831 states and 1214 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:54:56,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:54:56,289 INFO L93 Difference]: Finished difference Result 2154 states and 3233 transitions. [2022-10-16 12:54:56,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:54:56,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-10-16 12:54:56,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:54:56,307 INFO L225 Difference]: With dead ends: 2154 [2022-10-16 12:54:56,308 INFO L226 Difference]: Without dead ends: 1326 [2022-10-16 12:54:56,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:54:56,319 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 385 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 1938 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:54:56,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 1938 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 12:54:56,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2022-10-16 12:54:56,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1280. [2022-10-16 12:54:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 936 states have (on average 1.4711538461538463) internal successors, (1377), 977 states have internal predecessors, (1377), 289 states have call successors, (289), 27 states have call predecessors, (289), 27 states have return successors, (289), 288 states have call predecessors, (289), 289 states have call successors, (289) [2022-10-16 12:54:56,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1955 transitions. [2022-10-16 12:54:56,485 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1955 transitions. Word has length 22 [2022-10-16 12:54:56,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:54:56,487 INFO L495 AbstractCegarLoop]: Abstraction has 1280 states and 1955 transitions. [2022-10-16 12:54:56,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:54:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1955 transitions. [2022-10-16 12:54:56,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 12:54:56,492 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:54:56,493 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] [2022-10-16 12:54:56,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:54:56,493 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:54:56,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:54:56,494 INFO L85 PathProgramCache]: Analyzing trace with hash 799646927, now seen corresponding path program 1 times [2022-10-16 12:54:56,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:54:56,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092243990] [2022-10-16 12:54:56,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:54:56,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:54:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:56,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:54:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 12:54:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:56,911 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 12:54:56,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:54:56,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092243990] [2022-10-16 12:54:56,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092243990] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:54:56,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:54:56,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:54:56,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832778557] [2022-10-16 12:54:56,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:54:56,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:54:56,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:54:56,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:54:56,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:54:56,915 INFO L87 Difference]: Start difference. First operand 1280 states and 1955 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:54:58,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:54:58,507 INFO L93 Difference]: Finished difference Result 3432 states and 5368 transitions. [2022-10-16 12:54:58,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:54:58,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-10-16 12:54:58,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:54:58,528 INFO L225 Difference]: With dead ends: 3432 [2022-10-16 12:54:58,528 INFO L226 Difference]: Without dead ends: 2155 [2022-10-16 12:54:58,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:54:58,546 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 376 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:54:58,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1928 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:54:58,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2022-10-16 12:54:58,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2111. [2022-10-16 12:54:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2111 states, 1565 states have (on average 1.4894568690095846) internal successors, (2331), 1610 states have internal predecessors, (2331), 493 states have call successors, (493), 27 states have call predecessors, (493), 27 states have return successors, (493), 492 states have call predecessors, (493), 493 states have call successors, (493) [2022-10-16 12:54:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 2111 states and 3317 transitions. [2022-10-16 12:54:58,734 INFO L78 Accepts]: Start accepts. Automaton has 2111 states and 3317 transitions. Word has length 25 [2022-10-16 12:54:58,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:54:58,735 INFO L495 AbstractCegarLoop]: Abstraction has 2111 states and 3317 transitions. [2022-10-16 12:54:58,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:54:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 3317 transitions. [2022-10-16 12:54:58,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-16 12:54:58,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:54:58,738 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, 1] [2022-10-16 12:54:58,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:54:58,743 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:54:58,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:54:58,745 INFO L85 PathProgramCache]: Analyzing trace with hash 249455964, now seen corresponding path program 1 times [2022-10-16 12:54:58,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:54:58,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011273073] [2022-10-16 12:54:58,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:54:58,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:54:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:59,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 12:54:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:59,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 12:54:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:59,070 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 12:54:59,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:54:59,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011273073] [2022-10-16 12:54:59,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011273073] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:54:59,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:54:59,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:54:59,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075135378] [2022-10-16 12:54:59,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:54:59,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:54:59,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:54:59,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:54:59,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:54:59,074 INFO L87 Difference]: Start difference. First operand 2111 states and 3317 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:00,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:00,655 INFO L93 Difference]: Finished difference Result 5846 states and 9372 transitions. [2022-10-16 12:55:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:55:00,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-10-16 12:55:00,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:00,683 INFO L225 Difference]: With dead ends: 5846 [2022-10-16 12:55:00,683 INFO L226 Difference]: Without dead ends: 3738 [2022-10-16 12:55:00,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:00,694 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 375 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:00,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1930 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:55:00,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2022-10-16 12:55:00,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3696. [2022-10-16 12:55:00,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3696 states, 2768 states have (on average 1.4960260115606936) internal successors, (4141), 2827 states have internal predecessors, (4141), 877 states have call successors, (877), 27 states have call predecessors, (877), 27 states have return successors, (877), 876 states have call predecessors, (877), 877 states have call successors, (877) [2022-10-16 12:55:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 3696 states and 5895 transitions. [2022-10-16 12:55:00,935 INFO L78 Accepts]: Start accepts. Automaton has 3696 states and 5895 transitions. Word has length 28 [2022-10-16 12:55:00,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:00,935 INFO L495 AbstractCegarLoop]: Abstraction has 3696 states and 5895 transitions. [2022-10-16 12:55:00,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3696 states and 5895 transitions. [2022-10-16 12:55:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 12:55:00,939 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:00,939 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, 1, 1, 1, 1] [2022-10-16 12:55:00,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:55:00,939 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:55:00,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:00,940 INFO L85 PathProgramCache]: Analyzing trace with hash -747627426, now seen corresponding path program 1 times [2022-10-16 12:55:00,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:00,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890274154] [2022-10-16 12:55:00,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:00,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:01,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:55:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:01,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:55:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:01,264 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 12:55:01,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:01,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890274154] [2022-10-16 12:55:01,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890274154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:01,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:01,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:55:01,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046104091] [2022-10-16 12:55:01,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:01,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:55:01,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:01,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:55:01,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:01,268 INFO L87 Difference]: Start difference. First operand 3696 states and 5895 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:03,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:03,166 INFO L93 Difference]: Finished difference Result 10322 states and 16724 transitions. [2022-10-16 12:55:03,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:55:03,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2022-10-16 12:55:03,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:03,231 INFO L225 Difference]: With dead ends: 10322 [2022-10-16 12:55:03,232 INFO L226 Difference]: Without dead ends: 6629 [2022-10-16 12:55:03,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:03,255 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 366 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:03,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 1922 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 12:55:03,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6629 states. [2022-10-16 12:55:03,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6629 to 6589. [2022-10-16 12:55:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6589 states, 4991 states have (on average 1.4960929673412142) internal successors, (7467), 5064 states have internal predecessors, (7467), 1549 states have call successors, (1549), 27 states have call predecessors, (1549), 27 states have return successors, (1549), 1548 states have call predecessors, (1549), 1549 states have call successors, (1549) [2022-10-16 12:55:03,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6589 states to 6589 states and 10565 transitions. [2022-10-16 12:55:03,737 INFO L78 Accepts]: Start accepts. Automaton has 6589 states and 10565 transitions. Word has length 31 [2022-10-16 12:55:03,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:03,738 INFO L495 AbstractCegarLoop]: Abstraction has 6589 states and 10565 transitions. [2022-10-16 12:55:03,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:03,738 INFO L276 IsEmpty]: Start isEmpty. Operand 6589 states and 10565 transitions. [2022-10-16 12:55:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 12:55:03,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:03,742 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:55:03,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:55:03,743 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:55:03,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:03,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1845042379, now seen corresponding path program 1 times [2022-10-16 12:55:03,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:03,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562957670] [2022-10-16 12:55:03,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:03,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:55:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:55:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:04,033 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 12:55:04,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:04,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562957670] [2022-10-16 12:55:04,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562957670] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:04,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:04,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:55:04,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893997557] [2022-10-16 12:55:04,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:04,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:55:04,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:04,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:55:04,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:04,036 INFO L87 Difference]: Start difference. First operand 6589 states and 10565 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:05,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:05,985 INFO L93 Difference]: Finished difference Result 18682 states and 30352 transitions. [2022-10-16 12:55:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:55:05,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-10-16 12:55:05,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:06,101 INFO L225 Difference]: With dead ends: 18682 [2022-10-16 12:55:06,102 INFO L226 Difference]: Without dead ends: 12096 [2022-10-16 12:55:06,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:06,138 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 365 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:06,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 1922 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:55:06,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12096 states. [2022-10-16 12:55:06,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12096 to 12058. [2022-10-16 12:55:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12058 states, 9214 states have (on average 1.4891469502930323) internal successors, (13721), 9333 states have internal predecessors, (13721), 2797 states have call successors, (2797), 27 states have call predecessors, (2797), 27 states have return successors, (2797), 2796 states have call predecessors, (2797), 2797 states have call successors, (2797) [2022-10-16 12:55:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12058 states to 12058 states and 19315 transitions. [2022-10-16 12:55:07,033 INFO L78 Accepts]: Start accepts. Automaton has 12058 states and 19315 transitions. Word has length 34 [2022-10-16 12:55:07,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:07,033 INFO L495 AbstractCegarLoop]: Abstraction has 12058 states and 19315 transitions. [2022-10-16 12:55:07,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:07,035 INFO L276 IsEmpty]: Start isEmpty. Operand 12058 states and 19315 transitions. [2022-10-16 12:55:07,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 12:55:07,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:07,037 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] [2022-10-16 12:55:07,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:55:07,037 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:55:07,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:07,038 INFO L85 PathProgramCache]: Analyzing trace with hash -2000313493, now seen corresponding path program 1 times [2022-10-16 12:55:07,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:07,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928609398] [2022-10-16 12:55:07,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:07,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:55:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:07,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:55:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:55:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:55:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:07,390 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 12:55:07,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:07,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928609398] [2022-10-16 12:55:07,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928609398] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:07,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:07,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:55:07,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535408146] [2022-10-16 12:55:07,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:07,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:55:07,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:07,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:55:07,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:07,394 INFO L87 Difference]: Start difference. First operand 12058 states and 19315 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:55:09,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:09,217 INFO L93 Difference]: Finished difference Result 12096 states and 19629 transitions. [2022-10-16 12:55:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:55:09,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2022-10-16 12:55:09,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:09,276 INFO L225 Difference]: With dead ends: 12096 [2022-10-16 12:55:09,277 INFO L226 Difference]: Without dead ends: 12095 [2022-10-16 12:55:09,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:09,284 INFO L413 NwaCegarLoop]: 919 mSDtfsCounter, 386 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 2031 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:09,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 2031 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:55:09,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12095 states. [2022-10-16 12:55:09,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12095 to 12057. [2022-10-16 12:55:09,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12057 states, 9214 states have (on average 1.4856739743868026) internal successors, (13689), 9332 states have internal predecessors, (13689), 2797 states have call successors, (2797), 27 states have call predecessors, (2797), 27 states have return successors, (2797), 2796 states have call predecessors, (2797), 2797 states have call successors, (2797) [2022-10-16 12:55:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12057 states to 12057 states and 19283 transitions. [2022-10-16 12:55:10,037 INFO L78 Accepts]: Start accepts. Automaton has 12057 states and 19283 transitions. Word has length 38 [2022-10-16 12:55:10,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:10,038 INFO L495 AbstractCegarLoop]: Abstraction has 12057 states and 19283 transitions. [2022-10-16 12:55:10,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:55:10,039 INFO L276 IsEmpty]: Start isEmpty. Operand 12057 states and 19283 transitions. [2022-10-16 12:55:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 12:55:10,040 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:10,041 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:55:10,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:55:10,042 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:55:10,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:10,042 INFO L85 PathProgramCache]: Analyzing trace with hash -473954323, now seen corresponding path program 1 times [2022-10-16 12:55:10,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:10,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195440174] [2022-10-16 12:55:10,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:10,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:10,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:55:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 12:55:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:10,310 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 12:55:10,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:10,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195440174] [2022-10-16 12:55:10,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195440174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:10,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:10,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:55:10,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615062636] [2022-10-16 12:55:10,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:10,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:55:10,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:10,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:55:10,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:10,313 INFO L87 Difference]: Start difference. First operand 12057 states and 19283 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:12,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:12,555 INFO L93 Difference]: Finished difference Result 35185 states and 56988 transitions. [2022-10-16 12:55:12,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:55:12,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2022-10-16 12:55:12,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:12,676 INFO L225 Difference]: With dead ends: 35185 [2022-10-16 12:55:12,676 INFO L226 Difference]: Without dead ends: 23131 [2022-10-16 12:55:12,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:12,739 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 375 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1927 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:12,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1927 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 12:55:12,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23131 states. [2022-10-16 12:55:14,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23131 to 23094. [2022-10-16 12:55:14,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23094 states, 17757 states have (on average 1.4790223573801882) internal successors, (26263), 17969 states have internal predecessors, (26263), 5293 states have call successors, (5293), 27 states have call predecessors, (5293), 27 states have return successors, (5293), 5292 states have call predecessors, (5293), 5293 states have call successors, (5293) [2022-10-16 12:55:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23094 states to 23094 states and 36849 transitions. [2022-10-16 12:55:14,320 INFO L78 Accepts]: Start accepts. Automaton has 23094 states and 36849 transitions. Word has length 37 [2022-10-16 12:55:14,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:14,321 INFO L495 AbstractCegarLoop]: Abstraction has 23094 states and 36849 transitions. [2022-10-16 12:55:14,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:14,321 INFO L276 IsEmpty]: Start isEmpty. Operand 23094 states and 36849 transitions. [2022-10-16 12:55:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 12:55:14,324 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:14,324 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] [2022-10-16 12:55:14,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:55:14,325 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:55:14,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:14,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1880175337, now seen corresponding path program 1 times [2022-10-16 12:55:14,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:14,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129359077] [2022-10-16 12:55:14,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:14,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:55:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:55:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:55:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:14,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:55:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:14,591 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 12:55:14,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:14,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129359077] [2022-10-16 12:55:14,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129359077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:14,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:14,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:55:14,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721366723] [2022-10-16 12:55:14,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:14,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:55:14,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:14,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:55:14,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:14,595 INFO L87 Difference]: Start difference. First operand 23094 states and 36849 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:55:17,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:17,179 INFO L93 Difference]: Finished difference Result 56588 states and 91353 transitions. [2022-10-16 12:55:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:55:17,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 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 12:55:17,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:17,364 INFO L225 Difference]: With dead ends: 56588 [2022-10-16 12:55:17,364 INFO L226 Difference]: Without dead ends: 33497 [2022-10-16 12:55:17,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:17,451 INFO L413 NwaCegarLoop]: 1166 mSDtfsCounter, 375 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 2516 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:17,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 2516 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 12:55:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33497 states. [2022-10-16 12:55:19,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33497 to 33461. [2022-10-16 12:55:19,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33461 states, 25821 states have (on average 1.4830951551063087) internal successors, (38295), 26096 states have internal predecessors, (38295), 7597 states have call successors, (7597), 27 states have call predecessors, (7597), 27 states have return successors, (7597), 7596 states have call predecessors, (7597), 7597 states have call successors, (7597) [2022-10-16 12:55:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33461 states to 33461 states and 53489 transitions. [2022-10-16 12:55:19,773 INFO L78 Accepts]: Start accepts. Automaton has 33461 states and 53489 transitions. Word has length 39 [2022-10-16 12:55:19,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:19,774 INFO L495 AbstractCegarLoop]: Abstraction has 33461 states and 53489 transitions. [2022-10-16 12:55:19,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:55:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 33461 states and 53489 transitions. [2022-10-16 12:55:19,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 12:55:19,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:19,779 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:55:19,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 12:55:19,780 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:55:19,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2032861298, now seen corresponding path program 1 times [2022-10-16 12:55:19,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:19,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717143985] [2022-10-16 12:55:19,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:19,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:20,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:55:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:55:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:20,041 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 12:55:20,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:20,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717143985] [2022-10-16 12:55:20,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717143985] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:20,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:20,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:55:20,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328534773] [2022-10-16 12:55:20,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:20,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:55:20,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:20,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:55:20,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:20,044 INFO L87 Difference]: Start difference. First operand 33461 states and 53489 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:24,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:24,224 INFO L93 Difference]: Finished difference Result 97990 states and 158456 transitions. [2022-10-16 12:55:24,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:55:24,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-10-16 12:55:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:24,584 INFO L225 Difference]: With dead ends: 97990 [2022-10-16 12:55:24,584 INFO L226 Difference]: Without dead ends: 64532 [2022-10-16 12:55:24,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:24,696 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 370 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:24,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1920 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:55:24,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64532 states. [2022-10-16 12:55:28,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64532 to 64498. [2022-10-16 12:55:28,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64498 states, 50076 states have (on average 1.4740194903746306) internal successors, (73813), 50605 states have internal predecessors, (73813), 14381 states have call successors, (14381), 27 states have call predecessors, (14381), 27 states have return successors, (14381), 14380 states have call predecessors, (14381), 14381 states have call successors, (14381) [2022-10-16 12:55:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64498 states to 64498 states and 102575 transitions. [2022-10-16 12:55:28,614 INFO L78 Accepts]: Start accepts. Automaton has 64498 states and 102575 transitions. Word has length 39 [2022-10-16 12:55:28,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:28,616 INFO L495 AbstractCegarLoop]: Abstraction has 64498 states and 102575 transitions. [2022-10-16 12:55:28,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:28,616 INFO L276 IsEmpty]: Start isEmpty. Operand 64498 states and 102575 transitions. [2022-10-16 12:55:28,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 12:55:28,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:28,619 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:55:28,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 12:55:28,620 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:55:28,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:28,621 INFO L85 PathProgramCache]: Analyzing trace with hash 167038199, now seen corresponding path program 1 times [2022-10-16 12:55:28,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:28,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858327156] [2022-10-16 12:55:28,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:28,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 12:55:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 12:55:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:28,902 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 12:55:28,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:28,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858327156] [2022-10-16 12:55:28,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858327156] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:28,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:28,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:55:28,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235518911] [2022-10-16 12:55:28,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:28,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:55:28,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:28,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:55:28,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:28,905 INFO L87 Difference]: Start difference. First operand 64498 states and 102575 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:36,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:36,369 INFO L93 Difference]: Finished difference Result 188990 states and 304052 transitions. [2022-10-16 12:55:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:55:36,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-10-16 12:55:36,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:37,599 INFO L225 Difference]: With dead ends: 188990 [2022-10-16 12:55:37,600 INFO L226 Difference]: Without dead ends: 124495 [2022-10-16 12:55:37,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:37,829 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 366 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1916 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:37,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 1916 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 12:55:37,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124495 states. [2022-10-16 12:55:43,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124495 to 124463. [2022-10-16 12:55:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124463 states, 97243 states have (on average 1.4639099986631428) internal successors, (142355), 98282 states have internal predecessors, (142355), 27181 states have call successors, (27181), 27 states have call predecessors, (27181), 27 states have return successors, (27181), 27180 states have call predecessors, (27181), 27181 states have call successors, (27181) [2022-10-16 12:55:45,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124463 states to 124463 states and 196717 transitions. [2022-10-16 12:55:45,216 INFO L78 Accepts]: Start accepts. Automaton has 124463 states and 196717 transitions. Word has length 41 [2022-10-16 12:55:45,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:45,217 INFO L495 AbstractCegarLoop]: Abstraction has 124463 states and 196717 transitions. [2022-10-16 12:55:45,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:55:45,218 INFO L276 IsEmpty]: Start isEmpty. Operand 124463 states and 196717 transitions. [2022-10-16 12:55:45,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 12:55:45,221 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:45,222 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:55:45,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 12:55:45,222 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:55:45,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:45,223 INFO L85 PathProgramCache]: Analyzing trace with hash 61709416, now seen corresponding path program 1 times [2022-10-16 12:55:45,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:45,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035038878] [2022-10-16 12:55:45,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:45,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:55:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:45,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:55:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:55:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 12:55:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 12:55:45,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:45,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035038878] [2022-10-16 12:55:45,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035038878] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:45,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:45,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:55:45,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303562398] [2022-10-16 12:55:45,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:45,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:55:45,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:45,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:55:45,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:45,517 INFO L87 Difference]: Start difference. First operand 124463 states and 196717 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:55:51,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:51,627 INFO L93 Difference]: Finished difference Result 124493 states and 199943 transitions. [2022-10-16 12:55:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:55:51,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2022-10-16 12:55:51,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:52,062 INFO L225 Difference]: With dead ends: 124493 [2022-10-16 12:55:52,062 INFO L226 Difference]: Without dead ends: 124492 [2022-10-16 12:55:52,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:52,105 INFO L413 NwaCegarLoop]: 843 mSDtfsCounter, 382 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:52,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 1879 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:55:52,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124492 states. [2022-10-16 12:55:57,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124492 to 124462. [2022-10-16 12:55:57,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124462 states, 97243 states have (on average 1.459961128307436) internal successors, (141971), 98281 states have internal predecessors, (141971), 27181 states have call successors, (27181), 27 states have call predecessors, (27181), 27 states have return successors, (27181), 27180 states have call predecessors, (27181), 27181 states have call successors, (27181) [2022-10-16 12:55:58,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124462 states to 124462 states and 196333 transitions. [2022-10-16 12:55:58,490 INFO L78 Accepts]: Start accepts. Automaton has 124462 states and 196333 transitions. Word has length 44 [2022-10-16 12:55:58,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:58,490 INFO L495 AbstractCegarLoop]: Abstraction has 124462 states and 196333 transitions. [2022-10-16 12:55:58,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:55:58,491 INFO L276 IsEmpty]: Start isEmpty. Operand 124462 states and 196333 transitions. [2022-10-16 12:55:58,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 12:55:58,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:58,493 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:55:58,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 12:55:58,494 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:55:58,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:58,494 INFO L85 PathProgramCache]: Analyzing trace with hash 968387964, now seen corresponding path program 1 times [2022-10-16 12:55:58,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:58,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400798461] [2022-10-16 12:55:58,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:58,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:58,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:55:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:58,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:55:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:58,746 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 12:55:58,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:58,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400798461] [2022-10-16 12:55:58,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400798461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:58,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:58,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:55:58,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359963376] [2022-10-16 12:55:58,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:58,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:55:58,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:58,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:55:58,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:55:58,749 INFO L87 Difference]: Start difference. First operand 124462 states and 196333 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:56:10,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:10,330 INFO L93 Difference]: Finished difference Result 364659 states and 581999 transitions. [2022-10-16 12:56:10,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:56:10,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2022-10-16 12:56:10,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:11,684 INFO L225 Difference]: With dead ends: 364659 [2022-10-16 12:56:11,684 INFO L226 Difference]: Without dead ends: 240190 [2022-10-16 12:56:11,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:56:11,942 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 361 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 1911 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:11,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 1911 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 12:56:12,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240190 states. [2022-10-16 12:56:23,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240190 to 240161. [2022-10-16 12:56:24,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240161 states, 188880 states have (on average 1.4488617111393478) internal successors, (273661), 190940 states have internal predecessors, (273661), 51245 states have call successors, (51245), 27 states have call predecessors, (51245), 27 states have return successors, (51245), 51244 states have call predecessors, (51245), 51245 states have call successors, (51245) [2022-10-16 12:56:25,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240161 states to 240161 states and 376151 transitions. [2022-10-16 12:56:25,801 INFO L78 Accepts]: Start accepts. Automaton has 240161 states and 376151 transitions. Word has length 43 [2022-10-16 12:56:25,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:25,801 INFO L495 AbstractCegarLoop]: Abstraction has 240161 states and 376151 transitions. [2022-10-16 12:56:25,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:56:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 240161 states and 376151 transitions. [2022-10-16 12:56:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 12:56:25,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:25,805 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:56:25,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 12:56:25,805 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:56:25,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:25,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1912992785, now seen corresponding path program 1 times [2022-10-16 12:56:25,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:25,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201133328] [2022-10-16 12:56:25,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:25,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:56:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:56:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:26,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:56:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 12:56:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 12:56:26,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:26,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201133328] [2022-10-16 12:56:26,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201133328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:26,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:56:26,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:56:26,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384248070] [2022-10-16 12:56:26,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:26,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:56:26,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:26,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:56:26,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:56:26,594 INFO L87 Difference]: Start difference. First operand 240161 states and 376151 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:56:44,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:44,514 INFO L93 Difference]: Finished difference Result 590426 states and 936132 transitions. [2022-10-16 12:56:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:56:44,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2022-10-16 12:56:44,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:46,486 INFO L225 Difference]: With dead ends: 590426 [2022-10-16 12:56:46,487 INFO L226 Difference]: Without dead ends: 350268 [2022-10-16 12:56:47,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:56:47,383 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 369 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 2501 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:47,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 2501 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 12:56:47,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350268 states. [2022-10-16 12:57:08,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350268 to 350240. [2022-10-16 12:57:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350240 states, 276432 states have (on average 1.4520931006540487) internal successors, (401405), 279515 states have internal predecessors, (401405), 73773 states have call successors, (73773), 27 states have call predecessors, (73773), 27 states have return successors, (73773), 73772 states have call predecessors, (73773), 73773 states have call successors, (73773) [2022-10-16 12:57:12,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350240 states to 350240 states and 548951 transitions. [2022-10-16 12:57:12,738 INFO L78 Accepts]: Start accepts. Automaton has 350240 states and 548951 transitions. Word has length 45 [2022-10-16 12:57:12,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:57:12,739 INFO L495 AbstractCegarLoop]: Abstraction has 350240 states and 548951 transitions. [2022-10-16 12:57:12,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:57:12,739 INFO L276 IsEmpty]: Start isEmpty. Operand 350240 states and 548951 transitions. [2022-10-16 12:57:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 12:57:12,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:57:12,754 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] [2022-10-16 12:57:12,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 12:57:12,755 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [btmrvl_service_main_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btmrvl_service_main_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2022-10-16 12:57:12,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:57:12,758 INFO L85 PathProgramCache]: Analyzing trace with hash 198174261, now seen corresponding path program 1 times [2022-10-16 12:57:12,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:57:12,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819215633] [2022-10-16 12:57:12,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:57:12,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:57:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:57:12,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:57:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:57:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 12:57:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:57:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 12:57:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:57:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 12:57:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:57:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 12:57:13,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:57:13,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819215633] [2022-10-16 12:57:13,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819215633] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:57:13,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:57:13,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:57:13,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315137482] [2022-10-16 12:57:13,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:57:13,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:57:13,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:57:13,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:57:13,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:57:13,032 INFO L87 Difference]: Start difference. First operand 350240 states and 548951 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:57:28,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:57:28,787 INFO L93 Difference]: Finished difference Result 350266 states and 558193 transitions. [2022-10-16 12:57:28,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:57:28,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-10-16 12:57:28,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:57:30,680 INFO L225 Difference]: With dead ends: 350266 [2022-10-16 12:57:30,681 INFO L226 Difference]: Without dead ends: 350265 [2022-10-16 12:57:30,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:57:30,816 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 374 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:57:30,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1865 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:57:31,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350265 states.