/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.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:29:09,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:29:09,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:29:09,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:29:09,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:29:09,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:29:09,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:29:09,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:29:09,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:29:09,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:29:09,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:29:09,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:29:09,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:29:09,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:29:09,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:29:09,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:29:09,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:29:09,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:29:09,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:29:09,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:29:09,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:29:09,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:29:09,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:29:09,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:29:09,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:29:09,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:29:09,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:29:09,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:29:09,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:29:09,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:29:09,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:29:09,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:29:09,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:29:09,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:29:09,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:29:09,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:29:09,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:29:09,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:29:09,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:29:09,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:29:09,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:29:09,322 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 12:29:09,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:29:09,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:29:09,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:29:09,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:29:09,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:29:09,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:29:09,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:29:09,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:29:09,384 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:29:09,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:29:09,385 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:29:09,386 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:29:09,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:29:09,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:29:09,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:29:09,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:29:09,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:29:09,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:29:09,387 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:29:09,387 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:29:09,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:29:09,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:29:09,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:29:09,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:29:09,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:29:09,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:29:09,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:29:09,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:29:09,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:29:09,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:29:09,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:29:09,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:29:09,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:29:09,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:29:09,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:29:09,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:29:09,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:29:09,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:29:09,882 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:29:09,884 INFO L432 ainManager$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.i [2022-10-16 12:29:09,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e8e406de/adf17e84f2b0484ca64a10fa2a53ae5c/FLAG9ad4d8d3b [2022-10-16 12:29:11,139 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:29:11,140 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.i [2022-10-16 12:29:11,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e8e406de/adf17e84f2b0484ca64a10fa2a53ae5c/FLAG9ad4d8d3b [2022-10-16 12:29:11,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e8e406de/adf17e84f2b0484ca64a10fa2a53ae5c [2022-10-16 12:29:11,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:29:11,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:29:11,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:29:11,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:29:11,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:29:11,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:29:11" (1/1) ... [2022-10-16 12:29:11,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3031c717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:11, skipping insertion in model container [2022-10-16 12:29:11,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:29:11" (1/1) ... [2022-10-16 12:29:11,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:29:11,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:29:14,086 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.i[404095,404108] [2022-10-16 12:29:14,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:29:14,333 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:29:14,957 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.i[404095,404108] [2022-10-16 12:29:14,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:29:15,117 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:29:15,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15 WrapperNode [2022-10-16 12:29:15,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:29:15,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:29:15,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:29:15,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:29:15,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,471 INFO L138 Inliner]: procedures = 167, calls = 2343, calls flagged for inlining = 49, calls inlined = 38, statements flattened = 5036 [2022-10-16 12:29:15,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:29:15,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:29:15,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:29:15,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:29:15,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:29:15,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:29:15,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:29:15,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:29:15,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (1/1) ... [2022-10-16 12:29:15,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:29:15,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:29:15,958 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 12:29:15,995 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 12:29:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_remove [2022-10-16 12:29:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_remove [2022-10-16 12:29:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-16 12:29:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-16 12:29:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_demod_init [2022-10-16 12:29:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_demod_init [2022-10-16 12:29:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 12:29:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 12:29:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_release [2022-10-16 12:29:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_release [2022-10-16 12:29:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:29:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-10-16 12:29:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-10-16 12:29:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:29:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:29:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2022-10-16 12:29:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2022-10-16 12:29:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:29:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:29:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure attach_xc3028 [2022-10-16 12:29:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_xc3028 [2022-10-16 12:29:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:29:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:29:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:29:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_freq [2022-10-16 12:29:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_freq [2022-10-16 12:29:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:29:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:29:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_fusionhdtv_demod_init [2022-10-16 12:29:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_fusionhdtv_demod_init [2022-10-16 12:29:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure stv0900_set_ts_param [2022-10-16 12:29:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0900_set_ts_param [2022-10-16 12:29:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-10-16 12:29:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-10-16 12:29:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_tuner_set_params [2022-10-16 12:29:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_tuner_set_params [2022-10-16 12:29:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-10-16 12:29:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-10-16 12:29:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_gate_ctrl [2022-10-16 12:29:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_gate_ctrl [2022-10-16 12:29:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_set_ts_param [2022-10-16 12:29:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_set_ts_param [2022-10-16 12:29:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_prepare [2022-10-16 12:29:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_prepare [2022-10-16 12:29:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:29:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_acquire [2022-10-16 12:29:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_acquire [2022-10-16 12:29:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:29:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:29:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 12:29:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 12:29:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_bus_ctrl [2022-10-16 12:29:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_bus_ctrl [2022-10-16 12:29:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:29:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 12:29:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 12:29:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 12:29:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 12:29:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:29:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:29:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2022-10-16 12:29:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2022-10-16 12:29:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure nxt200x_set_ts_param [2022-10-16 12:29:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt200x_set_ts_param [2022-10-16 12:29:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:29:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:29:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:29:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-10-16 12:29:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-10-16 12:29:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-16 12:29:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-16 12:29:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure or51132_set_ts_param [2022-10-16 12:29:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure or51132_set_ts_param [2022-10-16 12:29:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_probe [2022-10-16 12:29:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_probe [2022-10-16 12:29:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_get_frontend [2022-10-16 12:29:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_get_frontend [2022-10-16 12:29:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_reset_device [2022-10-16 12:29:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_reset_device [2022-10-16 12:29:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2022-10-16 12:29:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2022-10-16 12:29:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:29:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_dual_demod_init [2022-10-16 12:29:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_dual_demod_init [2022-10-16 12:29:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:29:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_pro_demod_init [2022-10-16 12:29:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_pro_demod_init [2022-10-16 12:29:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_bandw [2022-10-16 12:29:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_bandw [2022-10-16 12:29:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure cx24123_set_ts_param [2022-10-16 12:29:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24123_set_ts_param [2022-10-16 12:29:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:29:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:29:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2022-10-16 12:29:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2022-10-16 12:29:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure lgdt330x_set_ts_param [2022-10-16 12:29:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure lgdt330x_set_ts_param [2022-10-16 12:29:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register [2022-10-16 12:29:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register [2022-10-16 12:29:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-16 12:29:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-16 12:29:16,080 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 12:29:16,080 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 12:29:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_dealloc_frontends [2022-10-16 12:29:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_dealloc_frontends [2022-10-16 12:29:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-16 12:29:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-16 12:29:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:29:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-16 12:29:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-16 12:29:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:29:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:29:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:29:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:29:17,207 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:29:17,213 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:29:26,322 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:29:26,345 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:29:26,346 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:29:26,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:29:26 BoogieIcfgContainer [2022-10-16 12:29:26,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:29:26,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:29:26,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:29:26,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:29:26,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:29:11" (1/3) ... [2022-10-16 12:29:26,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba096f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:29:26, skipping insertion in model container [2022-10-16 12:29:26,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:29:15" (2/3) ... [2022-10-16 12:29:26,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba096f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:29:26, skipping insertion in model container [2022-10-16 12:29:26,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:29:26" (3/3) ... [2022-10-16 12:29:26,416 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389.i [2022-10-16 12:29:26,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:29:26,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-16 12:29:26,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:29:26,582 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;@383202f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:29:26,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-16 12:29:26,597 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 12:29:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 12:29:26,622 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:29:26,623 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 12:29:26,624 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 12:29:26,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:29:26,630 INFO L85 PathProgramCache]: Analyzing trace with hash 49226742, now seen corresponding path program 1 times [2022-10-16 12:29:26,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:29:26,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820246740] [2022-10-16 12:29:26,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:29:26,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:29:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:29:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:29:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:28,112 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 12:29:28,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:29:28,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820246740] [2022-10-16 12:29:28,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820246740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:29:28,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:29:28,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:29:28,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598134845] [2022-10-16 12:29:28,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:29:28,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:29:28,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:29:28,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:29:28,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:29:28,180 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 12:29:31,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:33,280 WARN L539 Checker$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 12:29:36,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:40,110 WARN L539 Checker$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 12:29:43,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:29:43,810 INFO L93 Difference]: Finished difference Result 4060 states and 6482 transitions. [2022-10-16 12:29:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:29:43,814 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 12:29:43,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:29:43,893 INFO L225 Difference]: With dead ends: 4060 [2022-10-16 12:29:43,893 INFO L226 Difference]: Without dead ends: 2097 [2022-10-16 12:29:43,918 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 12:29:43,925 INFO L413 NwaCegarLoop]: 3112 mSDtfsCounter, 336 mSDsluCounter, 3941 mSDsCounter, 0 mSdLazyCounter, 1708 mSolverCounterSat, 648 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 7053 SdHoareTripleChecker+Invalid, 2357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1708 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:29:43,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 7053 Invalid, 2357 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [648 Valid, 1708 Invalid, 1 Unknown, 0 Unchecked, 15.0s Time] [2022-10-16 12:29:43,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2022-10-16 12:29:44,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2058. [2022-10-16 12:29:44,388 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 12:29:44,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 3164 transitions. [2022-10-16 12:29:44,414 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 3164 transitions. Word has length 54 [2022-10-16 12:29:44,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:29:44,416 INFO L495 AbstractCegarLoop]: Abstraction has 2058 states and 3164 transitions. [2022-10-16 12:29:44,416 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 12:29:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 3164 transitions. [2022-10-16 12:29:44,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 12:29:44,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:29:44,434 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 12:29:44,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:29:44,435 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 12:29:44,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:29:44,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1143536778, now seen corresponding path program 1 times [2022-10-16 12:29:44,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:29:44,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223458262] [2022-10-16 12:29:44,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:29:44,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:29:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:45,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:29:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:29:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:45,366 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 12:29:45,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:29:45,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223458262] [2022-10-16 12:29:45,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223458262] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:29:45,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:29:45,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:29:45,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359455889] [2022-10-16 12:29:45,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:29:45,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:29:45,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:29:45,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:29:45,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:29:45,374 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 12:29:46,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:48,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:49,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:51,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:52,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:53,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:29:57,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:29:57,707 INFO L93 Difference]: Finished difference Result 2142 states and 3510 transitions. [2022-10-16 12:29:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:29:57,708 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 12:29:57,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:29:57,735 INFO L225 Difference]: With dead ends: 2142 [2022-10-16 12:29:57,735 INFO L226 Difference]: Without dead ends: 2140 [2022-10-16 12:29:57,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:29:57,747 INFO L413 NwaCegarLoop]: 3012 mSDtfsCounter, 296 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 597 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 7224 SdHoareTripleChecker+Invalid, 1752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 597 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:29:57,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 7224 Invalid, 1752 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [597 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2022-10-16 12:29:57,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2022-10-16 12:29:58,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2067. [2022-10-16 12:29:58,051 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 12:29:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 3176 transitions. [2022-10-16 12:29:58,071 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 3176 transitions. Word has length 63 [2022-10-16 12:29:58,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:29:58,073 INFO L495 AbstractCegarLoop]: Abstraction has 2067 states and 3176 transitions. [2022-10-16 12:29:58,073 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 12:29:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 3176 transitions. [2022-10-16 12:29:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 12:29:58,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:29:58,078 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 12:29:58,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:29:58,079 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 12:29:58,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:29:58,079 INFO L85 PathProgramCache]: Analyzing trace with hash -604993320, now seen corresponding path program 1 times [2022-10-16 12:29:58,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:29:58,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859919615] [2022-10-16 12:29:58,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:29:58,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:29:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:29:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:58,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 12:29:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:58,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:29:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:29:58,904 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 12:29:58,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:29:58,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859919615] [2022-10-16 12:29:58,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859919615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:29:58,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:29:58,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:29:58,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768967146] [2022-10-16 12:29:58,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:29:58,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:29:58,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:29:58,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:29:58,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:29:58,908 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 12:30:03,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:04,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:06,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:09,195 WARN L539 Checker$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 12:30:12,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:30:12,821 INFO L93 Difference]: Finished difference Result 4185 states and 6678 transitions. [2022-10-16 12:30:12,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:30:12,822 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 12:30:12,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:30:12,840 INFO L225 Difference]: With dead ends: 4185 [2022-10-16 12:30:12,841 INFO L226 Difference]: Without dead ends: 2126 [2022-10-16 12:30:12,851 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 12:30:12,852 INFO L413 NwaCegarLoop]: 2965 mSDtfsCounter, 298 mSDsluCounter, 6648 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 597 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 9613 SdHoareTripleChecker+Invalid, 2262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 597 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:30:12,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 9613 Invalid, 2262 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [597 Valid, 1665 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2022-10-16 12:30:12,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2022-10-16 12:30:13,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 2069. [2022-10-16 12:30:13,051 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 12:30:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 3178 transitions. [2022-10-16 12:30:13,068 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 3178 transitions. Word has length 70 [2022-10-16 12:30:13,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:30:13,069 INFO L495 AbstractCegarLoop]: Abstraction has 2069 states and 3178 transitions. [2022-10-16 12:30:13,069 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 12:30:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 3178 transitions. [2022-10-16 12:30:13,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 12:30:13,072 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:30:13,073 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 12:30:13,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:30:13,073 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 12:30:13,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:30:13,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2103331665, now seen corresponding path program 1 times [2022-10-16 12:30:13,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:30:13,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851197834] [2022-10-16 12:30:13,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:13,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:30:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:30:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:30:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:30:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:13,672 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 12:30:13,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:30:13,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851197834] [2022-10-16 12:30:13,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851197834] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:30:13,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:30:13,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:30:13,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741405816] [2022-10-16 12:30:13,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:30:13,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:30:13,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:30:13,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:30:13,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:30:13,676 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 12:30:15,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:16,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:18,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:19,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:21,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:22,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:27,036 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 12:30:28,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:30:28,148 INFO L93 Difference]: Finished difference Result 2138 states and 3504 transitions. [2022-10-16 12:30:28,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:30:28,148 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 12:30:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:30:28,165 INFO L225 Difference]: With dead ends: 2138 [2022-10-16 12:30:28,165 INFO L226 Difference]: Without dead ends: 2136 [2022-10-16 12:30:28,171 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 12:30:28,174 INFO L413 NwaCegarLoop]: 3045 mSDtfsCounter, 280 mSDsluCounter, 4287 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 596 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:30:28,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 7332 Invalid, 1747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 1149 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2022-10-16 12:30:28,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2136 states. [2022-10-16 12:30:28,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2136 to 2078. [2022-10-16 12:30:28,362 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 12:30:28,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 3190 transitions. [2022-10-16 12:30:28,389 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 3190 transitions. Word has length 72 [2022-10-16 12:30:28,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:30:28,389 INFO L495 AbstractCegarLoop]: Abstraction has 2078 states and 3190 transitions. [2022-10-16 12:30:28,390 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 12:30:28,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 3190 transitions. [2022-10-16 12:30:28,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 12:30:28,393 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:30:28,394 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 12:30:28,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:30:28,394 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 12:30:28,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:30:28,395 INFO L85 PathProgramCache]: Analyzing trace with hash -344638811, now seen corresponding path program 1 times [2022-10-16 12:30:28,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:30:28,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830638074] [2022-10-16 12:30:28,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:28,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:30:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:28,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:30:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:30:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:30:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:29,046 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 12:30:29,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:30:29,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830638074] [2022-10-16 12:30:29,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830638074] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:30:29,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951405116] [2022-10-16 12:30:29,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:29,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:29,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:30:29,052 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 12:30:29,061 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 12:30:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:29,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 3509 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:30:29,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:30:30,110 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 12:30:30,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:30:30,244 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 12:30:30,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951405116] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:30:30,245 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:30:30,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 12:30:30,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713664694] [2022-10-16 12:30:30,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:30:30,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 12:30:30,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:30:30,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 12:30:30,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:30:30,249 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 12:30:33,947 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 12:30:35,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:37,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:39,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:41,274 WARN L539 Checker$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 12:30:43,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:44,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:46,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:50,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:30:50,343 INFO L93 Difference]: Finished difference Result 2289 states and 3723 transitions. [2022-10-16 12:30:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:30:50,343 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 12:30:50,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:30:50,365 INFO L225 Difference]: With dead ends: 2289 [2022-10-16 12:30:50,365 INFO L226 Difference]: Without dead ends: 2288 [2022-10-16 12:30:50,368 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 12:30:50,369 INFO L413 NwaCegarLoop]: 3008 mSDtfsCounter, 431 mSDsluCounter, 9295 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 12303 SdHoareTripleChecker+Invalid, 2866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 630 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:30:50,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 12303 Invalid, 2866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [630 Valid, 2236 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2022-10-16 12:30:50,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2022-10-16 12:30:50,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 2104. [2022-10-16 12:30:50,548 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 12:30:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 3227 transitions. [2022-10-16 12:30:50,559 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 3227 transitions. Word has length 76 [2022-10-16 12:30:50,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:30:50,560 INFO L495 AbstractCegarLoop]: Abstraction has 2104 states and 3227 transitions. [2022-10-16 12:30:50,561 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 12:30:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 3227 transitions. [2022-10-16 12:30:50,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 12:30:50,564 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:30:50,565 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 12:30:50,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 12:30:50,780 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 12:30:50,781 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 12:30:50,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:30:50,782 INFO L85 PathProgramCache]: Analyzing trace with hash -2093868202, now seen corresponding path program 1 times [2022-10-16 12:30:50,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:30:50,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384565981] [2022-10-16 12:30:50,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:50,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:30:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:30:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:51,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:30:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:51,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:30:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:51,538 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 12:30:51,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:30:51,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384565981] [2022-10-16 12:30:51,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384565981] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:30:51,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040476323] [2022-10-16 12:30:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:51,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:51,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:30:51,541 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 12:30:51,565 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 12:30:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:52,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 3510 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:30:52,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:30:52,480 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 12:30:52,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:30:52,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040476323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:30:52,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:30:52,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 12:30:52,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216833409] [2022-10-16 12:30:52,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:30:52,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:30:52,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:30:52,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:30:52,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:30:52,483 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 12:30:52,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:30:52,591 INFO L93 Difference]: Finished difference Result 2141 states and 3277 transitions. [2022-10-16 12:30:52,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:30:52,592 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 12:30:52,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:30:52,608 INFO L225 Difference]: With dead ends: 2141 [2022-10-16 12:30:52,608 INFO L226 Difference]: Without dead ends: 2140 [2022-10-16 12:30:52,611 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 12:30:52,612 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 12:30:52,613 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 12:30:52,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2022-10-16 12:30:52,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2103. [2022-10-16 12:30:52,770 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 12:30:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 3224 transitions. [2022-10-16 12:30:52,790 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 3224 transitions. Word has length 77 [2022-10-16 12:30:52,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:30:52,790 INFO L495 AbstractCegarLoop]: Abstraction has 2103 states and 3224 transitions. [2022-10-16 12:30:52,791 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 12:30:52,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 3224 transitions. [2022-10-16 12:30:52,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 12:30:52,802 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:30:52,802 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 12:30:52,840 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 12:30:53,015 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 12:30:53,016 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 12:30:53,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:30:53,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1570253494, now seen corresponding path program 1 times [2022-10-16 12:30:53,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:30:53,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198076623] [2022-10-16 12:30:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:53,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:30:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:30:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:30:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:30:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:30:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:30:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:53,726 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 12:30:53,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:30:53,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198076623] [2022-10-16 12:30:53,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198076623] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:30:53,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768363980] [2022-10-16 12:30:53,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:30:53,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:30:53,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:30:53,728 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 12:30:53,730 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 12:30:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:30:54,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 3705 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:30:54,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:30:54,743 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 12:30:54,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:30:54,822 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 12:30:54,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768363980] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:30:54,823 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:30:54,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 12:30:54,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041846717] [2022-10-16 12:30:54,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:30:54,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 12:30:54,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:30:54,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 12:30:54,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:30:54,825 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 12:30:57,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:30:58,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:00,965 WARN L539 Checker$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 12:31:02,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:04,406 WARN L539 Checker$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 12:31:09,053 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 12:31:10,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:31:10,178 INFO L93 Difference]: Finished difference Result 2218 states and 3624 transitions. [2022-10-16 12:31:10,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:31:10,179 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 12:31:10,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:31:10,199 INFO L225 Difference]: With dead ends: 2218 [2022-10-16 12:31:10,199 INFO L226 Difference]: Without dead ends: 2217 [2022-10-16 12:31:10,202 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 12:31:10,203 INFO L413 NwaCegarLoop]: 3006 mSDtfsCounter, 347 mSDsluCounter, 6786 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 619 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 9792 SdHoareTripleChecker+Invalid, 2317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 619 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:31:10,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 9792 Invalid, 2317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [619 Valid, 1695 Invalid, 3 Unknown, 0 Unchecked, 15.1s Time] [2022-10-16 12:31:10,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-10-16 12:31:10,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2129. [2022-10-16 12:31:10,379 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 12:31:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 3261 transitions. [2022-10-16 12:31:10,389 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 3261 transitions. Word has length 90 [2022-10-16 12:31:10,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:31:10,390 INFO L495 AbstractCegarLoop]: Abstraction has 2129 states and 3261 transitions. [2022-10-16 12:31:10,390 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 12:31:10,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 3261 transitions. [2022-10-16 12:31:10,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 12:31:10,395 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:31:10,395 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 12:31:10,433 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 12:31:10,609 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 12:31:10,610 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 12:31:10,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:31:10,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1433217682, now seen corresponding path program 1 times [2022-10-16 12:31:10,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:31:10,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908568818] [2022-10-16 12:31:10,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:10,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:31:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:31:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:31:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:31:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:11,358 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 12:31:11,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:31:11,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908568818] [2022-10-16 12:31:11,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908568818] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:31:11,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651360134] [2022-10-16 12:31:11,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:11,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:31:11,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:31:11,361 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 12:31:11,372 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 12:31:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:12,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 3706 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:31:12,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:31:12,369 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 12:31:12,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:31:12,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651360134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:31:12,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:31:12,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 12:31:12,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581798821] [2022-10-16 12:31:12,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:31:12,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:31:12,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:31:12,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:31:12,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:31:12,372 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 12:31:12,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:31:12,489 INFO L93 Difference]: Finished difference Result 2142 states and 3279 transitions. [2022-10-16 12:31:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:31:12,490 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 12:31:12,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:31:12,506 INFO L225 Difference]: With dead ends: 2142 [2022-10-16 12:31:12,506 INFO L226 Difference]: Without dead ends: 2141 [2022-10-16 12:31:12,508 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 12:31:12,509 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 12:31:12,510 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 12:31:12,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2022-10-16 12:31:12,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 2128. [2022-10-16 12:31:12,645 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 12:31:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3258 transitions. [2022-10-16 12:31:12,657 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3258 transitions. Word has length 91 [2022-10-16 12:31:12,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:31:12,658 INFO L495 AbstractCegarLoop]: Abstraction has 2128 states and 3258 transitions. [2022-10-16 12:31:12,658 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 12:31:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3258 transitions. [2022-10-16 12:31:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 12:31:12,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:31:12,666 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 12:31:12,718 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 12:31:12,879 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 12:31:12,879 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 12:31:12,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:31:12,880 INFO L85 PathProgramCache]: Analyzing trace with hash 41675850, now seen corresponding path program 2 times [2022-10-16 12:31:12,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:31:12,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39867123] [2022-10-16 12:31:12,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:12,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:31:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:31:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:13,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:31:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:14,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:31:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:31:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 12:31:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:14,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 12:31:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:14,149 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 12:31:14,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:31:14,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39867123] [2022-10-16 12:31:14,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39867123] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:31:14,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885871700] [2022-10-16 12:31:14,150 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 12:31:14,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:31:14,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:31:14,152 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 12:31:14,178 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 12:31:15,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 12:31:15,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 12:31:15,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 3463 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:31:15,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:31:15,166 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 12:31:15,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:31:15,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885871700] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:31:15,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:31:15,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 9 [2022-10-16 12:31:15,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610998431] [2022-10-16 12:31:15,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:31:15,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:31:15,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:31:15,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:31:15,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:31:15,171 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 12:31:15,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:31:15,296 INFO L93 Difference]: Finished difference Result 4248 states and 6535 transitions. [2022-10-16 12:31:15,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:31:15,297 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 12:31:15,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:31:15,313 INFO L225 Difference]: With dead ends: 4248 [2022-10-16 12:31:15,313 INFO L226 Difference]: Without dead ends: 2128 [2022-10-16 12:31:15,325 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 12:31:15,328 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 12:31:15,328 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 12:31:15,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2022-10-16 12:31:15,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2128. [2022-10-16 12:31:15,521 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 12:31:15,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3252 transitions. [2022-10-16 12:31:15,532 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3252 transitions. Word has length 115 [2022-10-16 12:31:15,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:31:15,532 INFO L495 AbstractCegarLoop]: Abstraction has 2128 states and 3252 transitions. [2022-10-16 12:31:15,532 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 12:31:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3252 transitions. [2022-10-16 12:31:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 12:31:15,540 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:31:15,540 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 12:31:15,588 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 12:31:15,754 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 12:31:15,755 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 12:31:15,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:31:15,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1792465910, now seen corresponding path program 1 times [2022-10-16 12:31:15,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:31:15,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139172150] [2022-10-16 12:31:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:31:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:31:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:31:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:31:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:31:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 12:31:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 12:31:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:16,743 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 12:31:16,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:31:16,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139172150] [2022-10-16 12:31:16,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139172150] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:31:16,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67147036] [2022-10-16 12:31:16,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:16,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:31:16,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:31:16,746 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 12:31:16,761 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 12:31:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:17,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 3649 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 12:31:17,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:31:17,777 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 12:31:17,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:31:18,001 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 12:31:18,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67147036] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:31:18,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:31:18,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2022-10-16 12:31:18,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96040432] [2022-10-16 12:31:18,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:31:18,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 12:31:18,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:31:18,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 12:31:18,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:31:18,004 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 12:31:19,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:22,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:24,504 WARN L539 Checker$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 12:31:27,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:28,592 WARN L539 Checker$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 12:31:29,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:31,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:32,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:34,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:35,953 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 12:31:41,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:31:41,515 INFO L93 Difference]: Finished difference Result 2821 states and 4490 transitions. [2022-10-16 12:31:41,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 12:31:41,516 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 12:31:41,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:31:41,541 INFO L225 Difference]: With dead ends: 2821 [2022-10-16 12:31:41,542 INFO L226 Difference]: Without dead ends: 2820 [2022-10-16 12:31:41,544 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 12:31:41,545 INFO L413 NwaCegarLoop]: 3013 mSDtfsCounter, 697 mSDsluCounter, 14393 mSDsCounter, 0 mSdLazyCounter, 3367 mSolverCounterSat, 683 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 17406 SdHoareTripleChecker+Invalid, 4051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 683 IncrementalHoareTripleChecker+Valid, 3367 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:31:41,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 17406 Invalid, 4051 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [683 Valid, 3367 Invalid, 1 Unknown, 0 Unchecked, 23.1s Time] [2022-10-16 12:31:41,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2820 states. [2022-10-16 12:31:41,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2820 to 2182. [2022-10-16 12:31:41,807 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 12:31:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 3324 transitions. [2022-10-16 12:31:41,817 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 3324 transitions. Word has length 115 [2022-10-16 12:31:41,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:31:41,818 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 3324 transitions. [2022-10-16 12:31:41,818 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 12:31:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 3324 transitions. [2022-10-16 12:31:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 12:31:41,828 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:31:41,828 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 12:31:41,876 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 12:31:42,042 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 12:31:42,043 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 12:31:42,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:31:42,044 INFO L85 PathProgramCache]: Analyzing trace with hash 787646965, now seen corresponding path program 1 times [2022-10-16 12:31:42,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:31:42,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082428138] [2022-10-16 12:31:42,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:42,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:31:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:31:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:31:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:31:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 12:31:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 12:31:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 12:31:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:31:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:43,322 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 12:31:43,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:31:43,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082428138] [2022-10-16 12:31:43,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082428138] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:31:43,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977118530] [2022-10-16 12:31:43,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:31:43,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:31:43,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:31:43,325 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 12:31:43,348 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 12:31:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:31:44,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 4112 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 12:31:44,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:31:44,404 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 12:31:44,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:31:44,648 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 12:31:44,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977118530] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:31:44,648 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:31:44,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2022-10-16 12:31:44,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686516374] [2022-10-16 12:31:44,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:31:44,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 12:31:44,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:31:44,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 12:31:44,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:31:44,653 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 12:31:47,206 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 12:31:49,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:51,240 WARN L539 Checker$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 12:31:53,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:54,883 WARN L539 Checker$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 12:31:55,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:31:57,953 WARN L539 Checker$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 12:31:58,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:00,975 WARN L539 Checker$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 12:32:06,454 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 12:32:07,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:32:07,841 INFO L93 Difference]: Finished difference Result 2385 states and 3858 transitions. [2022-10-16 12:32:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 12:32:07,842 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 12:32:07,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:32:07,857 INFO L225 Difference]: With dead ends: 2385 [2022-10-16 12:32:07,857 INFO L226 Difference]: Without dead ends: 2384 [2022-10-16 12:32:07,859 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 12:32:07,860 INFO L413 NwaCegarLoop]: 3031 mSDtfsCounter, 513 mSDsluCounter, 9446 mSDsCounter, 0 mSdLazyCounter, 2284 mSolverCounterSat, 656 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 12477 SdHoareTripleChecker+Invalid, 2946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 2284 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:32:07,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 12477 Invalid, 2946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 2284 Invalid, 6 Unknown, 0 Unchecked, 22.8s Time] [2022-10-16 12:32:07,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2384 states. [2022-10-16 12:32:08,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2384 to 2236. [2022-10-16 12:32:08,056 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 12:32:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 3396 transitions. [2022-10-16 12:32:08,066 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 3396 transitions. Word has length 144 [2022-10-16 12:32:08,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:32:08,067 INFO L495 AbstractCegarLoop]: Abstraction has 2236 states and 3396 transitions. [2022-10-16 12:32:08,067 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 12:32:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 3396 transitions. [2022-10-16 12:32:08,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-10-16 12:32:08,087 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:32:08,087 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 12:32:08,139 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 12:32:08,301 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 12:32:08,302 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 12:32:08,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:32:08,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1341274198, now seen corresponding path program 2 times [2022-10-16 12:32:08,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:32:08,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310677803] [2022-10-16 12:32:08,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:32:08,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:32:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:09,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:32:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:32:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:32:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:32:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 12:32:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 12:32:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 12:32:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 12:32:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 12:32:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 12:32:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:10,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 12:32:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-16 12:32:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:10,255 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 12:32:10,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:32:10,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310677803] [2022-10-16 12:32:10,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310677803] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:32:10,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356909690] [2022-10-16 12:32:10,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 12:32:10,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:32:10,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:32:10,259 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 12:32:10,285 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 12:32:11,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 12:32:11,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 12:32:11,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 3465 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 12:32:11,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:32:11,307 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 12:32:11,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:32:11,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356909690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:32:11,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:32:11,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 18 [2022-10-16 12:32:11,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265627815] [2022-10-16 12:32:11,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:32:11,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:32:11,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:32:11,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:32:11,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-10-16 12:32:11,310 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 12:32:11,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:32:11,653 INFO L93 Difference]: Finished difference Result 4723 states and 7165 transitions. [2022-10-16 12:32:11,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:32:11,654 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 12:32:11,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:32:11,666 INFO L225 Difference]: With dead ends: 4723 [2022-10-16 12:32:11,667 INFO L226 Difference]: Without dead ends: 2495 [2022-10-16 12:32:11,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2022-10-16 12:32:11,680 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 12:32:11,680 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 12:32:11,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2022-10-16 12:32:11,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2241. [2022-10-16 12:32:11,847 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 12:32:11,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 3414 transitions. [2022-10-16 12:32:11,858 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 3414 transitions. Word has length 193 [2022-10-16 12:32:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:32:11,859 INFO L495 AbstractCegarLoop]: Abstraction has 2241 states and 3414 transitions. [2022-10-16 12:32:11,859 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 12:32:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 3414 transitions. [2022-10-16 12:32:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-10-16 12:32:11,878 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:32:11,878 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 12:32:11,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 12:32:12,091 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 12:32:12,092 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 12:32:12,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:32:12,093 INFO L85 PathProgramCache]: Analyzing trace with hash 53849803, now seen corresponding path program 1 times [2022-10-16 12:32:12,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:32:12,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204625894] [2022-10-16 12:32:12,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:32:12,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:32:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:32:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 12:32:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:32:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:32:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 12:32:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 12:32:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 12:32:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 12:32:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 12:32:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 12:32:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 12:32:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-16 12:32:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:13,760 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 12:32:13,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:32:13,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204625894] [2022-10-16 12:32:13,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204625894] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:32:13,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355994795] [2022-10-16 12:32:13,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:32:13,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:32:13,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:32:13,762 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 12:32:13,790 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 12:32:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:14,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 4024 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 12:32:14,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:32:15,028 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 12:32:15,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:32:15,584 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 12:32:15,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355994795] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:32:15,585 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:32:15,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 25 [2022-10-16 12:32:15,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522303054] [2022-10-16 12:32:15,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:32:15,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 12:32:15,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:32:15,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 12:32:15,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-10-16 12:32:15,588 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 12:32:20,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:21,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:22,537 WARN L539 Checker$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 12:32:24,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:27,074 WARN L539 Checker$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 12:32:29,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:30,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:32,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:33,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:35,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:36,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:38,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:39,801 WARN L539 Checker$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 12:32:41,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:43,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:45,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:32:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:32:53,558 INFO L93 Difference]: Finished difference Result 4948 states and 7535 transitions. [2022-10-16 12:32:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 12:32:53,558 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 12:32:53,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:32:53,577 INFO L225 Difference]: With dead ends: 4948 [2022-10-16 12:32:53,577 INFO L226 Difference]: Without dead ends: 4947 [2022-10-16 12:32:53,581 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 12:32:53,582 INFO L413 NwaCegarLoop]: 3049 mSDtfsCounter, 1337 mSDsluCounter, 19431 mSDsCounter, 0 mSdLazyCounter, 4864 mSolverCounterSat, 799 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 22480 SdHoareTripleChecker+Invalid, 5666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 799 IncrementalHoareTripleChecker+Valid, 4864 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:32:53,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 22480 Invalid, 5666 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [799 Valid, 4864 Invalid, 3 Unknown, 0 Unchecked, 37.0s Time] [2022-10-16 12:32:53,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4947 states. [2022-10-16 12:32:53,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4947 to 2349. [2022-10-16 12:32:53,922 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 12:32:53,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3570 transitions. [2022-10-16 12:32:53,934 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3570 transitions. Word has length 193 [2022-10-16 12:32:53,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:32:53,935 INFO L495 AbstractCegarLoop]: Abstraction has 2349 states and 3570 transitions. [2022-10-16 12:32:53,935 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 12:32:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3570 transitions. [2022-10-16 12:32:53,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-10-16 12:32:53,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:32:53,953 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 12:32:54,006 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 12:32:54,167 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 12:32:54,167 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 12:32:54,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:32:54,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2058885109, now seen corresponding path program 2 times [2022-10-16 12:32:54,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:32:54,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259055925] [2022-10-16 12:32:54,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:32:54,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:32:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:32:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:32:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:32:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 12:32:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 12:32:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 12:32:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-16 12:32:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 12:32:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-10-16 12:32:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-10-16 12:32:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-10-16 12:32:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-16 12:32:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:32:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:32:56,196 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 12:32:56,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:32:56,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259055925] [2022-10-16 12:32:56,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259055925] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:32:56,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83028660] [2022-10-16 12:32:56,197 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 12:32:56,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:32:56,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:32:56,199 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 12:32:56,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process