/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-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:28:37,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:28:37,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:28:37,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:28:37,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:28:37,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:28:37,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:28:37,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:28:37,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:28:37,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:28:37,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:28:37,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:28:37,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:28:37,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:28:37,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:28:37,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:28:37,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:28:37,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:28:37,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:28:37,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:28:37,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:28:37,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:28:37,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:28:37,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:28:37,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:28:37,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:28:37,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:28:37,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:28:37,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:28:37,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:28:37,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:28:37,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:28:37,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:28:37,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:28:37,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:28:37,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:28:37,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:28:37,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:28:37,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:28:37,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:28:37,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:28:37,278 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 12:28:37,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:28:37,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:28:37,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:28:37,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:28:37,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:28:37,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:28:37,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:28:37,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:28:37,336 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:28:37,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:28:37,338 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:28:37,338 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:28:37,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:28:37,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:28:37,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:28:37,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:28:37,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:28:37,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:28:37,339 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:28:37,339 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:28:37,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:28:37,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:28:37,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:28:37,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:28:37,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:28:37,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:28:37,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:28:37,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:28:37,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:28:37,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:28:37,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:28:37,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:28:37,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:28:37,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:28:37,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:28:37,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:28:37,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:28:37,738 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:28:37,738 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:28:37,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i [2022-10-16 12:28:37,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5af3a11e/0a0cb61c1c534ac68626fe65afdee5f6/FLAGe18433e16 [2022-10-16 12:28:38,999 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:28:39,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i [2022-10-16 12:28:39,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5af3a11e/0a0cb61c1c534ac68626fe65afdee5f6/FLAGe18433e16 [2022-10-16 12:28:39,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5af3a11e/0a0cb61c1c534ac68626fe65afdee5f6 [2022-10-16 12:28:39,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:28:39,352 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:28:39,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:28:39,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:28:39,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:28:39,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:28:39" (1/1) ... [2022-10-16 12:28:39,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e981971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:39, skipping insertion in model container [2022-10-16 12:28:39,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:28:39" (1/1) ... [2022-10-16 12:28:39,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:28:39,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:28:41,543 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-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i[404097,404110] [2022-10-16 12:28:41,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:28:41,769 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:28:42,326 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-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i[404097,404110] [2022-10-16 12:28:42,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:28:42,491 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:28:42,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42 WrapperNode [2022-10-16 12:28:42,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:28:42,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:28:42,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:28:42,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:28:42,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:42,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:42,848 INFO L138 Inliner]: procedures = 167, calls = 2343, calls flagged for inlining = 49, calls inlined = 38, statements flattened = 5036 [2022-10-16 12:28:42,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:28:42,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:28:42,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:28:42,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:28:42,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:42,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:42,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:42,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:43,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:43,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:43,109 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:43,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:43,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:28:43,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:28:43,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:28:43,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:28:43,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (1/1) ... [2022-10-16 12:28:43,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:28:43,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:28:43,195 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 12:28:43,216 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 12:28:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_remove [2022-10-16 12:28:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_remove [2022-10-16 12:28:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-16 12:28:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-16 12:28:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_demod_init [2022-10-16 12:28:43,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_demod_init [2022-10-16 12:28:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 12:28:43,257 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 12:28:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_release [2022-10-16 12:28:43,257 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_release [2022-10-16 12:28:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:28:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-10-16 12:28:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-10-16 12:28:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:28:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:28:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2022-10-16 12:28:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2022-10-16 12:28:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:28:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:28:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure attach_xc3028 [2022-10-16 12:28:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_xc3028 [2022-10-16 12:28:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:28:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:28:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:28:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_freq [2022-10-16 12:28:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_freq [2022-10-16 12:28:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:28:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:28:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_fusionhdtv_demod_init [2022-10-16 12:28:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_fusionhdtv_demod_init [2022-10-16 12:28:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure stv0900_set_ts_param [2022-10-16 12:28:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0900_set_ts_param [2022-10-16 12:28:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-10-16 12:28:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-10-16 12:28:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_tuner_set_params [2022-10-16 12:28:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_tuner_set_params [2022-10-16 12:28:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-10-16 12:28:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-10-16 12:28:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_gate_ctrl [2022-10-16 12:28:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_gate_ctrl [2022-10-16 12:28:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_set_ts_param [2022-10-16 12:28:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_set_ts_param [2022-10-16 12:28:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_prepare [2022-10-16 12:28:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_prepare [2022-10-16 12:28:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:28:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_acquire [2022-10-16 12:28:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_acquire [2022-10-16 12:28:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:28:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:28:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 12:28:43,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 12:28:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_bus_ctrl [2022-10-16 12:28:43,264 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_bus_ctrl [2022-10-16 12:28:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:28:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 12:28:43,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 12:28:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 12:28:43,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 12:28:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:28:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:28:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2022-10-16 12:28:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2022-10-16 12:28:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure nxt200x_set_ts_param [2022-10-16 12:28:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt200x_set_ts_param [2022-10-16 12:28:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:28:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:28:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:28:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-10-16 12:28:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-10-16 12:28:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-16 12:28:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-16 12:28:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure or51132_set_ts_param [2022-10-16 12:28:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure or51132_set_ts_param [2022-10-16 12:28:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_probe [2022-10-16 12:28:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_probe [2022-10-16 12:28:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_get_frontend [2022-10-16 12:28:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_get_frontend [2022-10-16 12:28:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_reset_device [2022-10-16 12:28:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_reset_device [2022-10-16 12:28:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2022-10-16 12:28:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2022-10-16 12:28:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:28:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_dual_demod_init [2022-10-16 12:28:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_dual_demod_init [2022-10-16 12:28:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:28:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_pro_demod_init [2022-10-16 12:28:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_pro_demod_init [2022-10-16 12:28:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_bandw [2022-10-16 12:28:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_bandw [2022-10-16 12:28:43,270 INFO L130 BoogieDeclarations]: Found specification of procedure cx24123_set_ts_param [2022-10-16 12:28:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24123_set_ts_param [2022-10-16 12:28:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:28:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:28:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2022-10-16 12:28:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2022-10-16 12:28:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure lgdt330x_set_ts_param [2022-10-16 12:28:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure lgdt330x_set_ts_param [2022-10-16 12:28:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register [2022-10-16 12:28:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register [2022-10-16 12:28:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-16 12:28:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-16 12:28:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2022-10-16 12:28:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2022-10-16 12:28:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_dealloc_frontends [2022-10-16 12:28:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_dealloc_frontends [2022-10-16 12:28:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-16 12:28:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-16 12:28:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:28:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-16 12:28:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-16 12:28:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:28:43,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:28:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:28:43,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:28:44,209 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:28:44,215 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:28:52,322 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:28:52,345 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:28:52,345 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:28:52,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:28:52 BoogieIcfgContainer [2022-10-16 12:28:52,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:28:52,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:28:52,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:28:52,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:28:52,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:28:39" (1/3) ... [2022-10-16 12:28:52,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bda155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:28:52, skipping insertion in model container [2022-10-16 12:28:52,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:28:42" (2/3) ... [2022-10-16 12:28:52,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bda155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:28:52, skipping insertion in model container [2022-10-16 12:28:52,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:28:52" (3/3) ... [2022-10-16 12:28:52,360 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i [2022-10-16 12:28:52,380 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:28:52,381 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-16 12:28:52,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:28:52,501 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;@739c0afa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:28:52,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-16 12:28:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 1949 states, 1303 states have (on average 1.3844973138910208) internal successors, (1804), 1401 states have internal predecessors, (1804), 588 states have call successors, (588), 51 states have call predecessors, (588), 51 states have return successors, (588), 587 states have call predecessors, (588), 588 states have call successors, (588) [2022-10-16 12:28:52,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 12:28:52,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:28:52,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:28:52,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:28:52,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:28:52,552 INFO L85 PathProgramCache]: Analyzing trace with hash 49226742, now seen corresponding path program 1 times [2022-10-16 12:28:52,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:28:52,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138962910] [2022-10-16 12:28:52,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:28:52,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:28:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:28:53,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:28:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:28:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:28:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:28:54,014 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 12:28:54,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:28:54,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138962910] [2022-10-16 12:28:54,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138962910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:28:54,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:28:54,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:28:54,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574945069] [2022-10-16 12:28:54,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:28:54,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:28:54,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:28:54,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:28:54,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:28:54,063 INFO L87 Difference]: Start difference. First operand has 1949 states, 1303 states have (on average 1.3844973138910208) internal successors, (1804), 1401 states have internal predecessors, (1804), 588 states have call successors, (588), 51 states have call predecessors, (588), 51 states have return successors, (588), 587 states have call predecessors, (588), 588 states have call successors, (588) Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 12:28:56,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:28:58,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:01,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:02,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:06,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:10,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:12,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:29:12,168 INFO L93 Difference]: Finished difference Result 4060 states and 6482 transitions. [2022-10-16 12:29:12,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:29:12,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 54 [2022-10-16 12:29:12,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:29:12,225 INFO L225 Difference]: With dead ends: 4060 [2022-10-16 12:29:12,226 INFO L226 Difference]: Without dead ends: 2097 [2022-10-16 12:29:12,247 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 12:29:12,253 INFO L413 NwaCegarLoop]: 3041 mSDtfsCounter, 336 mSDsluCounter, 3799 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 648 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 6840 SdHoareTripleChecker+Invalid, 2355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:29:12,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 6840 Invalid, 2355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [648 Valid, 1705 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2022-10-16 12:29:12,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2022-10-16 12:29:12,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2058. [2022-10-16 12:29:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 1369 states have (on average 1.3834915997078159) internal successors, (1894), 1457 states have internal predecessors, (1894), 635 states have call successors, (635), 50 states have call predecessors, (635), 50 states have return successors, (635), 634 states have call predecessors, (635), 635 states have call successors, (635) [2022-10-16 12:29:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 3164 transitions. [2022-10-16 12:29:12,683 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 3164 transitions. Word has length 54 [2022-10-16 12:29:12,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:29:12,685 INFO L495 AbstractCegarLoop]: Abstraction has 2058 states and 3164 transitions. [2022-10-16 12:29:12,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 12:29:12,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 3164 transitions. [2022-10-16 12:29:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 12:29:12,701 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:29:12,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:29:12,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:29:12,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:29:12,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:29:12,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1143536778, now seen corresponding path program 1 times [2022-10-16 12:29:12,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:29:12,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919939370] [2022-10-16 12:29:12,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:29:12,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:29:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:29:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:13,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:29:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:13,516 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 12:29:13,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:29:13,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919939370] [2022-10-16 12:29:13,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919939370] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:29:13,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:29:13,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:29:13,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245292315] [2022-10-16 12:29:13,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:29:13,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:29:13,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:29:13,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:29:13,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:29:13,524 INFO L87 Difference]: Start difference. First operand 2058 states and 3164 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:29:15,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:17,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:18,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:20,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:21,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:23,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:28,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:29,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:29:29,262 INFO L93 Difference]: Finished difference Result 2142 states and 3510 transitions. [2022-10-16 12:29:29,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:29:29,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 63 [2022-10-16 12:29:29,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:29:29,286 INFO L225 Difference]: With dead ends: 2142 [2022-10-16 12:29:29,286 INFO L226 Difference]: Without dead ends: 2140 [2022-10-16 12:29:29,288 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 12:29:29,291 INFO L413 NwaCegarLoop]: 2929 mSDtfsCounter, 296 mSDsluCounter, 4032 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 596 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 6961 SdHoareTripleChecker+Invalid, 1749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:29:29,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 6961 Invalid, 1749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [596 Valid, 1152 Invalid, 1 Unknown, 0 Unchecked, 15.5s Time] [2022-10-16 12:29:29,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2022-10-16 12:29:29,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2067. [2022-10-16 12:29:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1377 states have (on average 1.382716049382716) internal successors, (1904), 1465 states have internal predecessors, (1904), 636 states have call successors, (636), 50 states have call predecessors, (636), 50 states have return successors, (636), 635 states have call predecessors, (636), 636 states have call successors, (636) [2022-10-16 12:29:29,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 3176 transitions. [2022-10-16 12:29:29,559 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 3176 transitions. Word has length 63 [2022-10-16 12:29:29,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:29:29,560 INFO L495 AbstractCegarLoop]: Abstraction has 2067 states and 3176 transitions. [2022-10-16 12:29:29,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:29:29,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 3176 transitions. [2022-10-16 12:29:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 12:29:29,565 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:29:29,565 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, 1, 1, 1, 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 12:29:29,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:29:29,566 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:29:29,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:29:29,567 INFO L85 PathProgramCache]: Analyzing trace with hash -604993320, now seen corresponding path program 1 times [2022-10-16 12:29:29,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:29:29,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396541208] [2022-10-16 12:29:29,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:29:29,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:29:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:30,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:29:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 12:29:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:30,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:29:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:30,277 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 12:29:30,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:29:30,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396541208] [2022-10-16 12:29:30,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396541208] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:29:30,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:29:30,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:29:30,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116032921] [2022-10-16 12:29:30,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:29:30,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:29:30,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:29:30,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:29:30,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:29:30,281 INFO L87 Difference]: Start difference. First operand 2067 states and 3176 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:29:34,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:36,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:38,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:40,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:44,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:29:44,122 INFO L93 Difference]: Finished difference Result 4185 states and 6678 transitions. [2022-10-16 12:29:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:29:44,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 70 [2022-10-16 12:29:44,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:29:44,260 INFO L225 Difference]: With dead ends: 4185 [2022-10-16 12:29:44,260 INFO L226 Difference]: Without dead ends: 2126 [2022-10-16 12:29:44,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:29:44,279 INFO L413 NwaCegarLoop]: 2976 mSDtfsCounter, 298 mSDsluCounter, 6682 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 597 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 9658 SdHoareTripleChecker+Invalid, 2259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 597 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:29:44,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 9658 Invalid, 2259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [597 Valid, 1659 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2022-10-16 12:29:44,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2022-10-16 12:29:44,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 2069. [2022-10-16 12:29:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2069 states, 1379 states have (on average 1.3821609862219) internal successors, (1906), 1467 states have internal predecessors, (1906), 636 states have call successors, (636), 50 states have call predecessors, (636), 50 states have return successors, (636), 635 states have call predecessors, (636), 636 states have call successors, (636) [2022-10-16 12:29:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 3178 transitions. [2022-10-16 12:29:44,490 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 3178 transitions. Word has length 70 [2022-10-16 12:29:44,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:29:44,491 INFO L495 AbstractCegarLoop]: Abstraction has 2069 states and 3178 transitions. [2022-10-16 12:29:44,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:29:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 3178 transitions. [2022-10-16 12:29:44,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 12:29:44,498 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:29:44,498 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, 1, 1, 1, 1, 1, 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 12:29:44,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:29:44,502 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:29:44,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:29:44,503 INFO L85 PathProgramCache]: Analyzing trace with hash 2103331665, now seen corresponding path program 1 times [2022-10-16 12:29:44,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:29:44,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927613712] [2022-10-16 12:29:44,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:29:44,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:29:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:29:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:45,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:29:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:29:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:45,242 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 12:29:45,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:29:45,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927613712] [2022-10-16 12:29:45,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927613712] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:29:45,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:29:45,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:29:45,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715125497] [2022-10-16 12:29:45,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:29:45,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:29:45,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:29:45,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:29:45,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:29:45,245 INFO L87 Difference]: Start difference. First operand 2069 states and 3178 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:29:47,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:48,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:50,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:51,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:53,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:54,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:58,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:29:58,721 INFO L93 Difference]: Finished difference Result 2138 states and 3504 transitions. [2022-10-16 12:29:58,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:29:58,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 72 [2022-10-16 12:29:58,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:29:58,742 INFO L225 Difference]: With dead ends: 2138 [2022-10-16 12:29:58,742 INFO L226 Difference]: Without dead ends: 2136 [2022-10-16 12:29:58,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 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 12:29:58,745 INFO L413 NwaCegarLoop]: 2989 mSDtfsCounter, 280 mSDsluCounter, 4176 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 7165 SdHoareTripleChecker+Invalid, 1749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:29:58,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 7165 Invalid, 1749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2022-10-16 12:29:58,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2136 states. [2022-10-16 12:29:58,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2136 to 2078. [2022-10-16 12:29:58,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2078 states, 1387 states have (on average 1.3813987022350396) internal successors, (1916), 1475 states have internal predecessors, (1916), 637 states have call successors, (637), 50 states have call predecessors, (637), 50 states have return successors, (637), 636 states have call predecessors, (637), 637 states have call successors, (637) [2022-10-16 12:29:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 3190 transitions. [2022-10-16 12:29:58,967 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 3190 transitions. Word has length 72 [2022-10-16 12:29:58,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:29:58,969 INFO L495 AbstractCegarLoop]: Abstraction has 2078 states and 3190 transitions. [2022-10-16 12:29:58,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:29:58,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 3190 transitions. [2022-10-16 12:29:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 12:29:58,974 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:29:58,975 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:29:58,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:29:58,975 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:29:58,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:29:58,976 INFO L85 PathProgramCache]: Analyzing trace with hash -344638811, now seen corresponding path program 1 times [2022-10-16 12:29:58,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:29:58,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412376695] [2022-10-16 12:29:58,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:29:58,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:29:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:29:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:29:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:59,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:29:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:29:59,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:29:59,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412376695] [2022-10-16 12:29:59,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412376695] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:29:59,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974103112] [2022-10-16 12:29:59,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:29:59,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:29:59,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:29:59,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:29:59,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 12:30:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:00,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 3509 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:30:00,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:30:00,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:30:00,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:30:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:30:00,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974103112] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:30:00,905 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:30:00,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 12:30:00,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389237235] [2022-10-16 12:30:00,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:30:00,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 12:30:00,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:30:00,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 12:30:00,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:30:00,908 INFO L87 Difference]: Start difference. First operand 2078 states and 3190 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-16 12:30:04,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:06,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:08,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:10,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:12,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:14,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:16,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:20,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:22,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:30:22,648 INFO L93 Difference]: Finished difference Result 2289 states and 3723 transitions. [2022-10-16 12:30:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:30:22,649 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 76 [2022-10-16 12:30:22,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:30:22,673 INFO L225 Difference]: With dead ends: 2289 [2022-10-16 12:30:22,674 INFO L226 Difference]: Without dead ends: 2288 [2022-10-16 12:30:22,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:30:22,678 INFO L413 NwaCegarLoop]: 3043 mSDtfsCounter, 431 mSDsluCounter, 9433 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 630 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 12476 SdHoareTripleChecker+Invalid, 2866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 630 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:30:22,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 12476 Invalid, 2866 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [630 Valid, 2233 Invalid, 3 Unknown, 0 Unchecked, 21.5s Time] [2022-10-16 12:30:22,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2022-10-16 12:30:22,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 2104. [2022-10-16 12:30:22,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 1410 states have (on average 1.3808510638297873) internal successors, (1947), 1498 states have internal predecessors, (1947), 640 states have call successors, (640), 50 states have call predecessors, (640), 50 states have return successors, (640), 639 states have call predecessors, (640), 640 states have call successors, (640) [2022-10-16 12:30:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 3227 transitions. [2022-10-16 12:30:22,888 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 3227 transitions. Word has length 76 [2022-10-16 12:30:22,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:30:22,889 INFO L495 AbstractCegarLoop]: Abstraction has 2104 states and 3227 transitions. [2022-10-16 12:30:22,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-16 12:30:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 3227 transitions. [2022-10-16 12:30:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 12:30:22,893 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:30:22,893 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:30:22,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 12:30:23,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:23,108 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:30:23,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:30:23,109 INFO L85 PathProgramCache]: Analyzing trace with hash -2093868202, now seen corresponding path program 1 times [2022-10-16 12:30:23,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:30:23,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307371338] [2022-10-16 12:30:23,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:23,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:30:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:30:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:23,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:30:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:23,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:30:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:30:23,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:30:23,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307371338] [2022-10-16 12:30:23,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307371338] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:30:23,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663917611] [2022-10-16 12:30:23,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:23,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:23,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:30:23,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:30:23,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 12:30:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:24,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 3510 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:30:24,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:30:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:30:24,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:30:24,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663917611] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:30:24,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:30:24,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 12:30:24,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275041053] [2022-10-16 12:30:24,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:30:24,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:30:24,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:30:24,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:30:24,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:30:24,914 INFO L87 Difference]: Start difference. First operand 2104 states and 3227 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 12:30:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:30:25,029 INFO L93 Difference]: Finished difference Result 2141 states and 3277 transitions. [2022-10-16 12:30:25,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:30:25,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 77 [2022-10-16 12:30:25,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:30:25,048 INFO L225 Difference]: With dead ends: 2141 [2022-10-16 12:30:25,048 INFO L226 Difference]: Without dead ends: 2140 [2022-10-16 12:30:25,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:30:25,051 INFO L413 NwaCegarLoop]: 2970 mSDtfsCounter, 53 mSDsluCounter, 5843 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 8813 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:30:25,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 8813 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:30:25,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2022-10-16 12:30:25,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2103. [2022-10-16 12:30:25,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2103 states, 1410 states have (on average 1.3787234042553191) internal successors, (1944), 1497 states have internal predecessors, (1944), 640 states have call successors, (640), 50 states have call predecessors, (640), 50 states have return successors, (640), 639 states have call predecessors, (640), 640 states have call successors, (640) [2022-10-16 12:30:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 3224 transitions. [2022-10-16 12:30:25,193 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 3224 transitions. Word has length 77 [2022-10-16 12:30:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:30:25,193 INFO L495 AbstractCegarLoop]: Abstraction has 2103 states and 3224 transitions. [2022-10-16 12:30:25,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 12:30:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 3224 transitions. [2022-10-16 12:30:25,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 12:30:25,198 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:30:25,198 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:30:25,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 12:30:25,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-16 12:30:25,413 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:30:25,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:30:25,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1570253494, now seen corresponding path program 1 times [2022-10-16 12:30:25,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:30:25,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724284688] [2022-10-16 12:30:25,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:25,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:30:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:30:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:26,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:30:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:30:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:30:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:30:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:30:26,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:30:26,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724284688] [2022-10-16 12:30:26,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724284688] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:30:26,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056968729] [2022-10-16 12:30:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:26,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:26,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:30:26,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:30:26,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 12:30:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:27,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 3705 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:30:27,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:30:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:30:27,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:30:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:30:27,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056968729] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:30:27,328 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:30:27,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 12:30:27,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555385950] [2022-10-16 12:30:27,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:30:27,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 12:30:27,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:30:27,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 12:30:27,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:30:27,331 INFO L87 Difference]: Start difference. First operand 2103 states and 3224 transitions. Second operand has 8 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 6 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2022-10-16 12:30:31,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:32,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:35,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:38,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:30:38,952 INFO L93 Difference]: Finished difference Result 2218 states and 3624 transitions. [2022-10-16 12:30:38,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:30:38,954 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 6 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 90 [2022-10-16 12:30:38,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:30:38,972 INFO L225 Difference]: With dead ends: 2218 [2022-10-16 12:30:38,972 INFO L226 Difference]: Without dead ends: 2217 [2022-10-16 12:30:38,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:30:38,974 INFO L413 NwaCegarLoop]: 2991 mSDtfsCounter, 347 mSDsluCounter, 6727 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 618 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 9718 SdHoareTripleChecker+Invalid, 2315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 618 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:30:38,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 9718 Invalid, 2315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [618 Valid, 1696 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-10-16 12:30:38,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-10-16 12:30:39,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2129. [2022-10-16 12:30:39,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2129 states, 1433 states have (on average 1.3782274947662247) internal successors, (1975), 1520 states have internal predecessors, (1975), 643 states have call successors, (643), 50 states have call predecessors, (643), 50 states have return successors, (643), 642 states have call predecessors, (643), 643 states have call successors, (643) [2022-10-16 12:30:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 3261 transitions. [2022-10-16 12:30:39,157 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 3261 transitions. Word has length 90 [2022-10-16 12:30:39,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:30:39,157 INFO L495 AbstractCegarLoop]: Abstraction has 2129 states and 3261 transitions. [2022-10-16 12:30:39,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 6 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2022-10-16 12:30:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 3261 transitions. [2022-10-16 12:30:39,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 12:30:39,162 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:30:39,163 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:30:39,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 12:30:39,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:39,378 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting cx8802_dvb_probeErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:30:39,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:30:39,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1433217682, now seen corresponding path program 1 times [2022-10-16 12:30:39,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:30:39,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135822766] [2022-10-16 12:30:39,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:39,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:30:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:30:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:30:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:30:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:40,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:30:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:30:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:30:40,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:30:40,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135822766] [2022-10-16 12:30:40,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135822766] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:30:40,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220926278] [2022-10-16 12:30:40,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:40,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:40,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:30:40,078 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:30:40,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 12:30:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:41,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 3706 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:30:41,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:30:41,132 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:30:41,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:30:41,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220926278] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:30:41,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:30:41,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 12:30:41,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504422326] [2022-10-16 12:30:41,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:30:41,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:30:41,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:30:41,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:30:41,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:30:41,135 INFO L87 Difference]: Start difference. First operand 2129 states and 3261 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 12:30:41,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:30:41,246 INFO L93 Difference]: Finished difference Result 2142 states and 3279 transitions. [2022-10-16 12:30:41,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:30:41,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 91 [2022-10-16 12:30:41,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:30:41,262 INFO L225 Difference]: With dead ends: 2142 [2022-10-16 12:30:41,262 INFO L226 Difference]: Without dead ends: 2141 [2022-10-16 12:30:41,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:30:41,265 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 21 mSDsluCounter, 5852 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 8809 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:30:41,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 8809 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:30:41,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2022-10-16 12:30:41,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 2128. [2022-10-16 12:30:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 1433 states have (on average 1.3761339846475924) internal successors, (1972), 1519 states have internal predecessors, (1972), 643 states have call successors, (643), 50 states have call predecessors, (643), 50 states have return successors, (643), 642 states have call predecessors, (643), 643 states have call successors, (643) [2022-10-16 12:30:41,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3258 transitions. [2022-10-16 12:30:41,408 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3258 transitions. Word has length 91 [2022-10-16 12:30:41,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:30:41,409 INFO L495 AbstractCegarLoop]: Abstraction has 2128 states and 3258 transitions. [2022-10-16 12:30:41,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 12:30:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3258 transitions. [2022-10-16 12:30:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 12:30:41,417 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:30:41,417 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:41,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 12:30:41,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:41,635 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:30:41,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:30:41,636 INFO L85 PathProgramCache]: Analyzing trace with hash 41675850, now seen corresponding path program 2 times [2022-10-16 12:30:41,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:30:41,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999171538] [2022-10-16 12:30:41,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:41,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:30:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:42,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:30:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:30:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:30:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:42,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:30:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 12:30:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 12:30:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 12:30:42,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:30:42,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999171538] [2022-10-16 12:30:42,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999171538] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:30:42,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976193167] [2022-10-16 12:30:42,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 12:30:42,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:42,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:30:42,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:30:42,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 12:30:43,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 12:30:43,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 12:30:43,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 3463 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:30:43,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:30:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-10-16 12:30:43,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:30:43,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976193167] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:30:43,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:30:43,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 9 [2022-10-16 12:30:43,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614781201] [2022-10-16 12:30:43,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:30:43,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:30:43,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:30:43,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:30:43,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:30:43,775 INFO L87 Difference]: Start difference. First operand 2128 states and 3258 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:30:43,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:30:43,891 INFO L93 Difference]: Finished difference Result 4248 states and 6535 transitions. [2022-10-16 12:30:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:30:43,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 115 [2022-10-16 12:30:43,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:30:43,908 INFO L225 Difference]: With dead ends: 4248 [2022-10-16 12:30:43,908 INFO L226 Difference]: Without dead ends: 2128 [2022-10-16 12:30:43,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:30:43,922 INFO L413 NwaCegarLoop]: 2924 mSDtfsCounter, 2888 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2888 SdHoareTripleChecker+Valid, 2924 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:30:43,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2888 Valid, 2924 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:30:43,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2022-10-16 12:30:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2128. [2022-10-16 12:30:44,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 1433 states have (on average 1.371946964410328) internal successors, (1966), 1519 states have internal predecessors, (1966), 643 states have call successors, (643), 50 states have call predecessors, (643), 50 states have return successors, (643), 642 states have call predecessors, (643), 643 states have call successors, (643) [2022-10-16 12:30:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3252 transitions. [2022-10-16 12:30:44,071 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3252 transitions. Word has length 115 [2022-10-16 12:30:44,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:30:44,072 INFO L495 AbstractCegarLoop]: Abstraction has 2128 states and 3252 transitions. [2022-10-16 12:30:44,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:30:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3252 transitions. [2022-10-16 12:30:44,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 12:30:44,080 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:30:44,080 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:44,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 12:30:44,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:44,295 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:30:44,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:30:44,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1792465910, now seen corresponding path program 1 times [2022-10-16 12:30:44,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:30:44,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996781430] [2022-10-16 12:30:44,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:44,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:30:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:30:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:45,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:30:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:45,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:30:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:30:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:45,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 12:30:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 12:30:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 12:30:45,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:30:45,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996781430] [2022-10-16 12:30:45,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996781430] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:30:45,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750456174] [2022-10-16 12:30:45,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:45,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:45,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:30:45,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:30:45,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 12:30:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:46,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 3649 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 12:30:46,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:30:46,362 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 12:30:46,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:30:46,588 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 12:30:46,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750456174] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:30:46,589 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:30:46,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2022-10-16 12:30:46,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518415028] [2022-10-16 12:30:46,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:30:46,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 12:30:46,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:30:46,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 12:30:46,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:30:46,591 INFO L87 Difference]: Start difference. First operand 2128 states and 3252 transitions. Second operand has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 13 states have internal predecessors, (140), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-10-16 12:30:49,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:51,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:52,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:53,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:54,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:56,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:00,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:01,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:03,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:04,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:05,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:06,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:07,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:13,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:14,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:31:14,924 INFO L93 Difference]: Finished difference Result 2821 states and 4490 transitions. [2022-10-16 12:31:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 12:31:14,925 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 13 states have internal predecessors, (140), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 115 [2022-10-16 12:31:14,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:31:14,957 INFO L225 Difference]: With dead ends: 2821 [2022-10-16 12:31:14,958 INFO L226 Difference]: Without dead ends: 2820 [2022-10-16 12:31:14,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:31:14,962 INFO L413 NwaCegarLoop]: 3043 mSDtfsCounter, 697 mSDsluCounter, 14569 mSDsCounter, 0 mSdLazyCounter, 3369 mSolverCounterSat, 684 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 17612 SdHoareTripleChecker+Invalid, 4054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 3369 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2022-10-16 12:31:14,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 17612 Invalid, 4054 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [684 Valid, 3369 Invalid, 1 Unknown, 0 Unchecked, 27.9s Time] [2022-10-16 12:31:14,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2820 states. [2022-10-16 12:31:15,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2820 to 2182. [2022-10-16 12:31:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 1481 states have (on average 1.3679945982444295) internal successors, (2026), 1567 states have internal predecessors, (2026), 649 states have call successors, (649), 50 states have call predecessors, (649), 50 states have return successors, (649), 648 states have call predecessors, (649), 649 states have call successors, (649) [2022-10-16 12:31:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 3324 transitions. [2022-10-16 12:31:15,187 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 3324 transitions. Word has length 115 [2022-10-16 12:31:15,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:31:15,187 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 3324 transitions. [2022-10-16 12:31:15,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.76923076923077) internal successors, (140), 13 states have internal predecessors, (140), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-10-16 12:31:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 3324 transitions. [2022-10-16 12:31:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 12:31:15,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:31:15,199 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:15,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 12:31:15,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:31:15,415 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:31:15,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:31:15,416 INFO L85 PathProgramCache]: Analyzing trace with hash 787646965, now seen corresponding path program 1 times [2022-10-16 12:31:15,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:31:15,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826568358] [2022-10-16 12:31:15,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:15,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:31:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:31:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:31:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:31:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 12:31:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 12:31:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 12:31:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-10-16 12:31:16,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:31:16,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826568358] [2022-10-16 12:31:16,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826568358] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:31:16,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991857068] [2022-10-16 12:31:16,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:16,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:31:16,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:31:16,706 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:31:16,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 12:31:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:17,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 4112 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 12:31:17,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:31:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-10-16 12:31:17,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:31:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-10-16 12:31:18,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991857068] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:31:18,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:31:18,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2022-10-16 12:31:18,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042949980] [2022-10-16 12:31:18,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:31:18,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 12:31:18,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:31:18,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 12:31:18,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:31:18,079 INFO L87 Difference]: Start difference. First operand 2182 states and 3324 transitions. Second operand has 14 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 12 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2022-10-16 12:31:20,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:21,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:22,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:28,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:30,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:35,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:31:35,051 INFO L93 Difference]: Finished difference Result 2385 states and 3858 transitions. [2022-10-16 12:31:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 12:31:35,052 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 12 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 144 [2022-10-16 12:31:35,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:31:35,069 INFO L225 Difference]: With dead ends: 2385 [2022-10-16 12:31:35,069 INFO L226 Difference]: Without dead ends: 2384 [2022-10-16 12:31:35,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:31:35,073 INFO L413 NwaCegarLoop]: 3001 mSDtfsCounter, 513 mSDsluCounter, 9336 mSDsCounter, 0 mSdLazyCounter, 2288 mSolverCounterSat, 656 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 12337 SdHoareTripleChecker+Invalid, 2945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 2288 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:31:35,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 12337 Invalid, 2945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 2288 Invalid, 1 Unknown, 0 Unchecked, 16.7s Time] [2022-10-16 12:31:35,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2384 states. [2022-10-16 12:31:35,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2384 to 2236. [2022-10-16 12:31:35,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 1529 states have (on average 1.3642903858731197) internal successors, (2086), 1615 states have internal predecessors, (2086), 655 states have call successors, (655), 50 states have call predecessors, (655), 50 states have return successors, (655), 654 states have call predecessors, (655), 655 states have call successors, (655) [2022-10-16 12:31:35,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 3396 transitions. [2022-10-16 12:31:35,346 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 3396 transitions. Word has length 144 [2022-10-16 12:31:35,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:31:35,346 INFO L495 AbstractCegarLoop]: Abstraction has 2236 states and 3396 transitions. [2022-10-16 12:31:35,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 12 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2022-10-16 12:31:35,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 3396 transitions. [2022-10-16 12:31:35,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-10-16 12:31:35,367 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:31:35,367 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:35,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 12:31:35,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:31:35,580 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:31:35,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:31:35,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1341274198, now seen corresponding path program 2 times [2022-10-16 12:31:35,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:31:35,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816105141] [2022-10-16 12:31:35,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:35,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:31:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:31:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:31:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:31:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:31:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 12:31:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 12:31:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 12:31:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 12:31:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 12:31:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 12:31:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 12:31:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-16 12:31:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-16 12:31:37,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:31:37,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816105141] [2022-10-16 12:31:37,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816105141] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:31:37,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441218445] [2022-10-16 12:31:37,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 12:31:37,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:31:37,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:31:37,449 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:31:37,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 12:31:38,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 12:31:38,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 12:31:38,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 3465 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 12:31:38,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:31:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2022-10-16 12:31:38,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:31:38,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441218445] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:31:38,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:31:38,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 18 [2022-10-16 12:31:38,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61141549] [2022-10-16 12:31:38,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:31:38,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:31:38,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:31:38,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:31:38,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-10-16 12:31:38,532 INFO L87 Difference]: Start difference. First operand 2236 states and 3396 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:31:38,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:31:38,858 INFO L93 Difference]: Finished difference Result 4723 states and 7165 transitions. [2022-10-16 12:31:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:31:38,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 193 [2022-10-16 12:31:38,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:31:38,872 INFO L225 Difference]: With dead ends: 4723 [2022-10-16 12:31:38,872 INFO L226 Difference]: Without dead ends: 2495 [2022-10-16 12:31:38,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2022-10-16 12:31:38,884 INFO L413 NwaCegarLoop]: 2968 mSDtfsCounter, 65 mSDsluCounter, 11805 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 14773 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:31:38,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 14773 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:31:38,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2022-10-16 12:31:39,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2241. [2022-10-16 12:31:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2241 states, 1533 states have (on average 1.3633398564905415) internal successors, (2090), 1619 states have internal predecessors, (2090), 655 states have call successors, (655), 50 states have call predecessors, (655), 51 states have return successors, (669), 655 states have call predecessors, (669), 655 states have call successors, (669) [2022-10-16 12:31:39,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 3414 transitions. [2022-10-16 12:31:39,052 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 3414 transitions. Word has length 193 [2022-10-16 12:31:39,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:31:39,053 INFO L495 AbstractCegarLoop]: Abstraction has 2241 states and 3414 transitions. [2022-10-16 12:31:39,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:31:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 3414 transitions. [2022-10-16 12:31:39,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-10-16 12:31:39,074 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:31:39,074 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:39,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-10-16 12:31:39,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-16 12:31:39,288 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:31:39,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:31:39,289 INFO L85 PathProgramCache]: Analyzing trace with hash 53849803, now seen corresponding path program 1 times [2022-10-16 12:31:39,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:31:39,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406313388] [2022-10-16 12:31:39,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:39,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:31:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:40,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:31:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:40,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:31:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:31:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:31:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:40,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 12:31:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 12:31:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:40,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 12:31:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 12:31:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 12:31:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 12:31:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:41,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 12:31:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-16 12:31:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-16 12:31:41,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:31:41,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406313388] [2022-10-16 12:31:41,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406313388] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:31:41,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396295881] [2022-10-16 12:31:41,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:41,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:31:41,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:31:41,098 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:31:41,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 12:31:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:42,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 4024 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 12:31:42,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:31:42,435 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-16 12:31:42,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:31:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-16 12:31:43,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396295881] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:31:43,035 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:31:43,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 25 [2022-10-16 12:31:43,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301207213] [2022-10-16 12:31:43,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:31:43,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 12:31:43,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:31:43,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 12:31:43,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-10-16 12:31:43,038 INFO L87 Difference]: Start difference. First operand 2241 states and 3414 transitions. Second operand has 26 states, 25 states have (on average 9.44) internal successors, (236), 25 states have internal predecessors, (236), 24 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-10-16 12:31:47,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:48,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:50,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:52,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:55,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:57,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:58,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:00,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:06,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:09,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:32:09,864 INFO L93 Difference]: Finished difference Result 4948 states and 7535 transitions. [2022-10-16 12:32:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 12:32:09,865 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.44) internal successors, (236), 25 states have internal predecessors, (236), 24 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Word has length 193 [2022-10-16 12:32:09,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:32:09,887 INFO L225 Difference]: With dead ends: 4948 [2022-10-16 12:32:09,887 INFO L226 Difference]: Without dead ends: 4947 [2022-10-16 12:32:09,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-10-16 12:32:09,891 INFO L413 NwaCegarLoop]: 3128 mSDtfsCounter, 1338 mSDsluCounter, 20091 mSDsCounter, 0 mSdLazyCounter, 4839 mSolverCounterSat, 800 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 23219 SdHoareTripleChecker+Invalid, 5641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 800 IncrementalHoareTripleChecker+Valid, 4839 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:32:09,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 23219 Invalid, 5641 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [800 Valid, 4839 Invalid, 2 Unknown, 0 Unchecked, 25.8s Time] [2022-10-16 12:32:09,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4947 states. [2022-10-16 12:32:10,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4947 to 2349. [2022-10-16 12:32:10,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 1629 states have (on average 1.3566605279312463) internal successors, (2210), 1715 states have internal predecessors, (2210), 667 states have call successors, (667), 50 states have call predecessors, (667), 51 states have return successors, (693), 667 states have call predecessors, (693), 667 states have call successors, (693) [2022-10-16 12:32:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3570 transitions. [2022-10-16 12:32:10,191 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3570 transitions. Word has length 193 [2022-10-16 12:32:10,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:32:10,192 INFO L495 AbstractCegarLoop]: Abstraction has 2349 states and 3570 transitions. [2022-10-16 12:32:10,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.44) internal successors, (236), 25 states have internal predecessors, (236), 24 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-10-16 12:32:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3570 transitions. [2022-10-16 12:32:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-10-16 12:32:10,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:32:10,215 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:10,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 12:32:10,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 12:32:10,430 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:32:10,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:32:10,430 INFO L85 PathProgramCache]: Analyzing trace with hash -2058885109, now seen corresponding path program 2 times [2022-10-16 12:32:10,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:32:10,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853316555] [2022-10-16 12:32:10,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:32:10,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:32:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:32:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:32:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:32:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 12:32:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 12:32:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 12:32:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:32:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:32:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-16 12:32:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-10-16 12:32:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-10-16 12:32:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-16 12:32:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-10-16 12:32:12,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:32:12,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853316555] [2022-10-16 12:32:12,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853316555] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:32:12,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912662827] [2022-10-16 12:32:12,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 12:32:12,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:32:12,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:32:12,831 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:32:12,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 12:32:13,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 12:32:13,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 12:32:13,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 3572 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-16 12:32:13,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:32:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2022-10-16 12:32:14,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:32:14,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912662827] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:32:14,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:32:14,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 19 [2022-10-16 12:32:14,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919922594] [2022-10-16 12:32:14,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:32:14,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:32:14,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:32:14,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:32:14,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-10-16 12:32:14,019 INFO L87 Difference]: Start difference. First operand 2349 states and 3570 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 12:32:14,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:32:14,190 INFO L93 Difference]: Finished difference Result 4721 states and 7211 transitions. [2022-10-16 12:32:14,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:32:14,191 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 252 [2022-10-16 12:32:14,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:32:14,201 INFO L225 Difference]: With dead ends: 4721 [2022-10-16 12:32:14,201 INFO L226 Difference]: Without dead ends: 2380 [2022-10-16 12:32:14,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-10-16 12:32:14,212 INFO L413 NwaCegarLoop]: 2936 mSDtfsCounter, 5 mSDsluCounter, 14660 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17596 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:32:14,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17596 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:32:14,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2022-10-16 12:32:14,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 2354. [2022-10-16 12:32:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2354 states, 1633 states have (on average 1.355786895284752) internal successors, (2214), 1718 states have internal predecessors, (2214), 667 states have call successors, (667), 50 states have call predecessors, (667), 52 states have return successors, (710), 669 states have call predecessors, (710), 667 states have call successors, (710) [2022-10-16 12:32:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 3591 transitions. [2022-10-16 12:32:14,440 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 3591 transitions. Word has length 252 [2022-10-16 12:32:14,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:32:14,441 INFO L495 AbstractCegarLoop]: Abstraction has 2354 states and 3591 transitions. [2022-10-16 12:32:14,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 12:32:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 3591 transitions. [2022-10-16 12:32:14,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-10-16 12:32:14,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:32:14,460 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:14,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 12:32:14,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 12:32:14,674 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cx8802_dvb_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cx8802_dvb_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 12:32:14,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:32:14,675 INFO L85 PathProgramCache]: Analyzing trace with hash 367639584, now seen corresponding path program 1 times [2022-10-16 12:32:14,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:32:14,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629017776] [2022-10-16 12:32:14,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:32:14,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:32:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:32:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:32:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:32:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 12:32:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 12:32:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 12:32:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:32:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:32:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-16 12:32:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-10-16 12:32:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-10-16 12:32:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-16 12:32:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-10-16 12:32:16,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:32:16,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629017776] [2022-10-16 12:32:16,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629017776] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:32:16,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745273856] [2022-10-16 12:32:16,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:32:16,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:32:16,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:32:16,732 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:32:16,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 12:32:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:17,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 5021 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 12:32:17,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:32:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-10-16 12:32:18,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:32:18,792 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-10-16 12:32:18,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745273856] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:32:18,793 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:32:18,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 25 [2022-10-16 12:32:18,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995127449] [2022-10-16 12:32:18,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:32:18,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 12:32:18,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:32:18,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 12:32:18,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-10-16 12:32:18,795 INFO L87 Difference]: Start difference. First operand 2354 states and 3591 transitions. Second operand has 26 states, 25 states have (on average 9.76) internal successors, (244), 25 states have internal predecessors, (244), 24 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2022-10-16 12:32:22,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:24,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []