/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-dummy.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:27:09,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:27:09,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:27:10,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:27:10,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:27:10,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:27:10,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:27:10,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:27:10,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:27:10,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:27:10,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:27:10,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:27:10,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:27:10,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:27:10,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:27:10,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:27:10,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:27:10,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:27:10,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:27:10,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:27:10,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:27:10,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:27:10,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:27:10,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:27:10,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:27:10,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:27:10,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:27:10,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:27:10,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:27:10,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:27:10,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:27:10,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:27:10,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:27:10,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:27:10,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:27:10,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:27:10,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:27:10,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:27:10,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:27:10,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:27:10,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:27:10,155 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 13:27:10,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:27:10,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:27:10,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:27:10,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:27:10,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:27:10,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:27:10,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:27:10,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:27:10,223 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:27:10,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:27:10,225 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:27:10,225 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:27:10,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:27:10,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:27:10,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:27:10,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:27:10,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:27:10,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:27:10,226 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:27:10,227 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:27:10,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:27:10,227 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:27:10,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:27:10,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:27:10,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:27:10,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:27:10,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:27:10,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:27:10,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:27:10,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:27:10,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:27:10,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:27:10,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:27:10,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:27:10,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:27:10,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:27:10,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:27:10,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:27:10,690 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:27:10,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-dummy.ko-entry_point.cil.out.i [2022-10-16 13:27:10,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c289206/e0bd6e37feaf41d6a51d431847a92454/FLAG47107c2ee [2022-10-16 13:27:11,799 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:27:11,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-dummy.ko-entry_point.cil.out.i [2022-10-16 13:27:11,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c289206/e0bd6e37feaf41d6a51d431847a92454/FLAG47107c2ee [2022-10-16 13:27:12,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c289206/e0bd6e37feaf41d6a51d431847a92454 [2022-10-16 13:27:12,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:27:12,264 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:27:12,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:27:12,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:27:12,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:27:12,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:27:12" (1/1) ... [2022-10-16 13:27:12,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7544e0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:12, skipping insertion in model container [2022-10-16 13:27:12,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:27:12" (1/1) ... [2022-10-16 13:27:12,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:27:12,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:27:12,964 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3761] [2022-10-16 13:27:12,965 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3762-3763] [2022-10-16 13:27:13,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-dummy.ko-entry_point.cil.out.i[114477,114490] [2022-10-16 13:27:13,931 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-16 13:27:13,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:27:13,999 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:27:14,217 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3761] [2022-10-16 13:27:14,218 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3762-3763] [2022-10-16 13:27:14,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-dummy.ko-entry_point.cil.out.i[114477,114490] [2022-10-16 13:27:14,569 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-16 13:27:14,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:27:14,894 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:27:14,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14 WrapperNode [2022-10-16 13:27:14,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:27:14,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:27:14,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:27:14,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:27:14,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,299 INFO L138 Inliner]: procedures = 222, calls = 1606, calls flagged for inlining = 100, calls inlined = 88, statements flattened = 3188 [2022-10-16 13:27:15,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:27:15,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:27:15,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:27:15,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:27:15,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,574 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:27:15,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:27:15,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:27:15,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:27:15,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (1/1) ... [2022-10-16 13:27:15,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:27:15,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:27:15,652 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 13:27:15,672 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 13:27:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure hw_param_interval_c [2022-10-16 13:27:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_param_interval_c [2022-10-16 13:27:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-16 13:27:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-16 13:27:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-16 13:27:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-16 13:27:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-16 13:27:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-16 13:27:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_prepare [2022-10-16 13:27:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_prepare [2022-10-16 13:27:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:27:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:27:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_period_elapsed [2022-10-16 13:27:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_period_elapsed [2022-10-16 13:27:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-16 13:27:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-16 13:27:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:27:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:27:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:27:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:27:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_start [2022-10-16 13:27:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_start [2022-10-16 13:27:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_free [2022-10-16 13:27:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_free [2022-10-16 13:27:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-16 13:27:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-16 13:27:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_prepare [2022-10-16 13:27:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_prepare [2022-10-16 13:27:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:27:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:27:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dummy_unregister_all [2022-10-16 13:27:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dummy_unregister_all [2022-10-16 13:27:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:27:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:27:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_set_ops [2022-10-16 13:27:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_set_ops [2022-10-16 13:27:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_free [2022-10-16 13:27:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_free [2022-10-16 13:27:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 13:27:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 13:27:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_pointer [2022-10-16 13:27:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_pointer [2022-10-16 13:27:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-10-16 13:27:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-10-16 13:27:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:27:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_pointer [2022-10-16 13:27:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_pointer [2022-10-16 13:27:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dummy_remove [2022-10-16 13:27:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dummy_remove [2022-10-16 13:27:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:27:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 13:27:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-16 13:27:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-16 13:27:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_start [2022-10-16 13:27:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_start [2022-10-16 13:27:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-10-16 13:27:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-10-16 13:27:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_create [2022-10-16 13:27:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_create [2022-10-16 13:27:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dummy_probe [2022-10-16 13:27:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dummy_probe [2022-10-16 13:27:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure free_fake_buffer [2022-10-16 13:27:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure free_fake_buffer [2022-10-16 13:27:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_silence [2022-10-16 13:27:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_silence [2022-10-16 13:27:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:27:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:27:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_hw_free [2022-10-16 13:27:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_hw_free [2022-10-16 13:27:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 13:27:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 13:27:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_stop [2022-10-16 13:27:15,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_stop [2022-10-16 13:27:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_close [2022-10-16 13:27:15,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_close [2022-10-16 13:27:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 13:27:15,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 13:27:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_update [2022-10-16 13:27:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_update [2022-10-16 13:27:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_copy [2022-10-16 13:27:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_copy [2022-10-16 13:27:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:27:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:27:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_prepare [2022-10-16 13:27:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_prepare [2022-10-16 13:27:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 13:27:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 13:27:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:27:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 13:27:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:27:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_page [2022-10-16 13:27:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_page [2022-10-16 13:27:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:27:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dummy_resume [2022-10-16 13:27:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dummy_resume [2022-10-16 13:27:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:27:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:27:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_rearm [2022-10-16 13:27:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_rearm [2022-10-16 13:27:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:27:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~~ktime_t~0 [2022-10-16 13:27:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~~ktime_t~0 [2022-10-16 13:27:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_create [2022-10-16 13:27:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_create [2022-10-16 13:27:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-10-16 13:27:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-10-16 13:27:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:27:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:27:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:27:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:27:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~snd_pcm_uframes_t~0 [2022-10-16 13:27:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~snd_pcm_uframes_t~0 [2022-10-16 13:27:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure emu10k1_playback_constraints [2022-10-16 13:27:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure emu10k1_playback_constraints [2022-10-16 13:27:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_trigger [2022-10-16 13:27:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_trigger [2022-10-16 13:27:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:27:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-16 13:27:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-16 13:27:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:27:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:27:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl [2022-10-16 13:27:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl [2022-10-16 13:27:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:27:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:27:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_stop [2022-10-16 13:27:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_stop [2022-10-16 13:27:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_sync [2022-10-16 13:27:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_sync [2022-10-16 13:27:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure snd_power_change_state [2022-10-16 13:27:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_power_change_state [2022-10-16 13:27:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cb_get_time [2022-10-16 13:27:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cb_get_time [2022-10-16 13:27:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_pointer [2022-10-16 13:27:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_pointer [2022-10-16 13:27:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2022-10-16 13:27:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2022-10-16 13:27:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-16 13:27:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-16 13:27:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dummy_suspend [2022-10-16 13:27:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dummy_suspend [2022-10-16 13:27:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_open [2022-10-16 13:27:15,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_open [2022-10-16 13:27:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 13:27:15,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 13:27:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_hw_params [2022-10-16 13:27:15,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_hw_params [2022-10-16 13:27:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:27:15,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:27:15,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:27:15,743 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 13:27:15,743 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 13:27:16,433 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:27:16,439 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:27:16,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:27:20,807 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:27:20,841 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:27:20,842 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 13:27:20,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:27:20 BoogieIcfgContainer [2022-10-16 13:27:20,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:27:20,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:27:20,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:27:20,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:27:20,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:27:12" (1/3) ... [2022-10-16 13:27:20,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cf5f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:27:20, skipping insertion in model container [2022-10-16 13:27:20,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:27:14" (2/3) ... [2022-10-16 13:27:20,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cf5f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:27:20, skipping insertion in model container [2022-10-16 13:27:20,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:27:20" (3/3) ... [2022-10-16 13:27:20,858 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-dummy.ko-entry_point.cil.out.i [2022-10-16 13:27:20,881 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:27:20,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-10-16 13:27:20,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:27:20,996 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;@585fa969, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:27:20,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-10-16 13:27:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 1060 states, 761 states have (on average 1.4244415243101183) internal successors, (1084), 815 states have internal predecessors, (1084), 188 states have call successors, (188), 69 states have call predecessors, (188), 68 states have return successors, (179), 178 states have call predecessors, (179), 179 states have call successors, (179) [2022-10-16 13:27:21,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 13:27:21,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:27:21,033 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 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 13:27:21,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting dummy_hrtimer_pointerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [dummy_hrtimer_pointerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 13:27:21,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:27:21,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1804708204, now seen corresponding path program 1 times [2022-10-16 13:27:21,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:27:21,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635482962] [2022-10-16 13:27:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:21,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:27:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:27:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:27:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:27:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:27:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:27:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:27:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:27:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 13:27:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:27:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:27:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 13:27:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:27:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-16 13:27:22,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:27:22,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635482962] [2022-10-16 13:27:22,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635482962] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:27:22,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:27:22,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:27:22,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463641384] [2022-10-16 13:27:22,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:27:22,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:27:22,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:27:22,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:27:22,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:27:22,457 INFO L87 Difference]: Start difference. First operand has 1060 states, 761 states have (on average 1.4244415243101183) internal successors, (1084), 815 states have internal predecessors, (1084), 188 states have call successors, (188), 69 states have call predecessors, (188), 68 states have return successors, (179), 178 states have call predecessors, (179), 179 states have call successors, (179) Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:27:27,742 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 13:27:30,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:27:30,182 INFO L93 Difference]: Finished difference Result 3251 states and 4587 transitions. [2022-10-16 13:27:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:27:30,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2022-10-16 13:27:30,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:27:30,229 INFO L225 Difference]: With dead ends: 3251 [2022-10-16 13:27:30,229 INFO L226 Difference]: Without dead ends: 2159 [2022-10-16 13:27:30,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:27:30,246 INFO L413 NwaCegarLoop]: 1497 mSDtfsCounter, 2251 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 1005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2363 SdHoareTripleChecker+Valid, 4145 SdHoareTripleChecker+Invalid, 2394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1005 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:27:30,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2363 Valid, 4145 Invalid, 2394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1005 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-10-16 13:27:30,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2022-10-16 13:27:30,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 1980. [2022-10-16 13:27:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1980 states, 1466 states have (on average 1.4133697135061392) internal successors, (2072), 1514 states have internal predecessors, (2072), 339 states have call successors, (339), 133 states have call predecessors, (339), 133 states have return successors, (337), 334 states have call predecessors, (337), 337 states have call successors, (337) [2022-10-16 13:27:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 2748 transitions. [2022-10-16 13:27:30,522 INFO L78 Accepts]: Start accepts. Automaton has 1980 states and 2748 transitions. Word has length 82 [2022-10-16 13:27:30,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:27:30,524 INFO L495 AbstractCegarLoop]: Abstraction has 1980 states and 2748 transitions. [2022-10-16 13:27:30,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:27:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2748 transitions. [2022-10-16 13:27:30,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 13:27:30,535 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:27:30,537 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 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] [2022-10-16 13:27:30,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:27:30,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [dummy_hrtimer_pointerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 13:27:30,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:27:30,547 INFO L85 PathProgramCache]: Analyzing trace with hash 2049990311, now seen corresponding path program 1 times [2022-10-16 13:27:30,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:27:30,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512513748] [2022-10-16 13:27:30,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:30,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:27:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:27:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:27:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:27:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:27:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:27:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:27:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:27:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 13:27:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:27:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:27:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:27:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-16 13:27:31,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:27:31,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512513748] [2022-10-16 13:27:31,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512513748] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:27:31,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:27:31,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:27:31,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76003060] [2022-10-16 13:27:31,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:27:31,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:27:31,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:27:31,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:27:31,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:27:31,289 INFO L87 Difference]: Start difference. First operand 1980 states and 2748 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:27:33,698 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 13:27:38,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:27:38,049 INFO L93 Difference]: Finished difference Result 6015 states and 8423 transitions. [2022-10-16 13:27:38,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:27:38,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2022-10-16 13:27:38,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:27:38,089 INFO L225 Difference]: With dead ends: 6015 [2022-10-16 13:27:38,089 INFO L226 Difference]: Without dead ends: 4062 [2022-10-16 13:27:38,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:27:38,106 INFO L413 NwaCegarLoop]: 1570 mSDtfsCounter, 2632 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 1302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2738 SdHoareTripleChecker+Valid, 4320 SdHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1302 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:27:38,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2738 Valid, 4320 Invalid, 2631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1302 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-10-16 13:27:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4062 states. [2022-10-16 13:27:38,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4062 to 3767. [2022-10-16 13:27:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 2816 states have (on average 1.4115767045454546) internal successors, (3975), 2869 states have internal predecessors, (3975), 646 states have call successors, (646), 265 states have call predecessors, (646), 263 states have return successors, (642), 634 states have call predecessors, (642), 642 states have call successors, (642) [2022-10-16 13:27:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 5263 transitions. [2022-10-16 13:27:38,400 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 5263 transitions. Word has length 80 [2022-10-16 13:27:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:27:38,403 INFO L495 AbstractCegarLoop]: Abstraction has 3767 states and 5263 transitions. [2022-10-16 13:27:38,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:27:38,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 5263 transitions. [2022-10-16 13:27:38,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 13:27:38,410 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:27:38,410 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 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] [2022-10-16 13:27:38,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:27:38,411 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting snd_dummy_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [dummy_hrtimer_pointerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 13:27:38,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:27:38,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1483317855, now seen corresponding path program 1 times [2022-10-16 13:27:38,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:27:38,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090027518] [2022-10-16 13:27:38,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:38,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:27:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:27:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:27:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:27:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:27:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:27:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:27:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:27:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 13:27:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:27:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:27:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:39,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 13:27:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-16 13:27:39,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:27:39,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090027518] [2022-10-16 13:27:39,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090027518] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:27:39,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:27:39,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:27:39,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534729106] [2022-10-16 13:27:39,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:27:39,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:27:39,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:27:39,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:27:39,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:27:39,030 INFO L87 Difference]: Start difference. First operand 3767 states and 5263 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:27:45,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:27:45,637 INFO L93 Difference]: Finished difference Result 11518 states and 16234 transitions. [2022-10-16 13:27:45,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:27:45,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 85 [2022-10-16 13:27:45,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:27:45,705 INFO L225 Difference]: With dead ends: 11518 [2022-10-16 13:27:45,705 INFO L226 Difference]: Without dead ends: 7762 [2022-10-16 13:27:45,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:27:45,728 INFO L413 NwaCegarLoop]: 1513 mSDtfsCounter, 2173 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 951 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2247 SdHoareTripleChecker+Valid, 4145 SdHoareTripleChecker+Invalid, 2265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 951 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:27:45,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2247 Valid, 4145 Invalid, 2265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [951 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 13:27:45,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7762 states. [2022-10-16 13:27:46,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7762 to 7185. [2022-10-16 13:27:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7185 states, 5412 states have (on average 1.4129711751662972) internal successors, (7647), 5465 states have internal predecessors, (7647), 1224 states have call successors, (1224), 509 states have call predecessors, (1224), 507 states have return successors, (1222), 1212 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-10-16 13:27:46,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7185 states to 7185 states and 10093 transitions. [2022-10-16 13:27:46,172 INFO L78 Accepts]: Start accepts. Automaton has 7185 states and 10093 transitions. Word has length 85 [2022-10-16 13:27:46,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:27:46,173 INFO L495 AbstractCegarLoop]: Abstraction has 7185 states and 10093 transitions. [2022-10-16 13:27:46,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:27:46,173 INFO L276 IsEmpty]: Start isEmpty. Operand 7185 states and 10093 transitions. [2022-10-16 13:27:46,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 13:27:46,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:27:46,177 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 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] [2022-10-16 13:27:46,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:27:46,177 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting dummy_systimer_updateErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [dummy_hrtimer_pointerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 13:27:46,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:27:46,178 INFO L85 PathProgramCache]: Analyzing trace with hash -360983168, now seen corresponding path program 1 times [2022-10-16 13:27:46,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:27:46,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779123801] [2022-10-16 13:27:46,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:46,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:27:46,381 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:27:46,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1317334684] [2022-10-16 13:27:46,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:46,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:27:46,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:27:46,391 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 13:27:46,410 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 13:27:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:47,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 2938 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:27:47,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:27:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-16 13:27:47,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:27:47,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:27:47,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779123801] [2022-10-16 13:27:47,219 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:27:47,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317334684] [2022-10-16 13:27:47,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317334684] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:27:47,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:27:47,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:27:47,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401769902] [2022-10-16 13:27:47,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:27:47,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:27:47,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:27:47,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:27:47,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:27:47,222 INFO L87 Difference]: Start difference. First operand 7185 states and 10093 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:27:47,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:27:47,600 INFO L93 Difference]: Finished difference Result 14357 states and 20170 transitions. [2022-10-16 13:27:47,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:27:47,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 85 [2022-10-16 13:27:47,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:27:47,664 INFO L225 Difference]: With dead ends: 14357 [2022-10-16 13:27:47,664 INFO L226 Difference]: Without dead ends: 7186 [2022-10-16 13:27:47,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:27:47,703 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 2 mSDsluCounter, 2827 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4243 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:27:47,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4243 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:27:47,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7186 states. [2022-10-16 13:27:48,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7186 to 7186. [2022-10-16 13:27:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7186 states, 5413 states have (on average 1.4128948826898209) internal successors, (7648), 5466 states have internal predecessors, (7648), 1224 states have call successors, (1224), 509 states have call predecessors, (1224), 507 states have return successors, (1222), 1212 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-10-16 13:27:48,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7186 states to 7186 states and 10094 transitions. [2022-10-16 13:27:48,209 INFO L78 Accepts]: Start accepts. Automaton has 7186 states and 10094 transitions. Word has length 85 [2022-10-16 13:27:48,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:27:48,209 INFO L495 AbstractCegarLoop]: Abstraction has 7186 states and 10094 transitions. [2022-10-16 13:27:48,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:27:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 7186 states and 10094 transitions. [2022-10-16 13:27:48,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 13:27:48,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:27:48,213 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 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] [2022-10-16 13:27:48,258 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 13:27:48,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:27:48,429 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting dummy_systimer_updateErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [dummy_hrtimer_pointerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 13:27:48,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:27:48,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1801434772, now seen corresponding path program 1 times [2022-10-16 13:27:48,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:27:48,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344027985] [2022-10-16 13:27:48,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:48,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:27:48,562 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:27:48,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081397208] [2022-10-16 13:27:48,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:48,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:27:48,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:27:48,570 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 13:27:48,578 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 13:27:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:49,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 2998 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 13:27:49,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:27:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-16 13:27:49,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:27:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-10-16 13:27:49,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:27:49,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344027985] [2022-10-16 13:27:49,631 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:27:49,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081397208] [2022-10-16 13:27:49,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081397208] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:27:49,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:27:49,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2022-10-16 13:27:49,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134362885] [2022-10-16 13:27:49,633 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:27:49,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:27:49,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:27:49,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:27:49,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:27:49,637 INFO L87 Difference]: Start difference. First operand 7186 states and 10094 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:27:50,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:27:50,289 INFO L93 Difference]: Finished difference Result 14363 states and 20181 transitions. [2022-10-16 13:27:50,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:27:50,290 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 89 [2022-10-16 13:27:50,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:27:50,370 INFO L225 Difference]: With dead ends: 14363 [2022-10-16 13:27:50,370 INFO L226 Difference]: Without dead ends: 7189 [2022-10-16 13:27:50,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-10-16 13:27:50,410 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 8 mSDsluCounter, 5635 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 7047 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:27:50,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 7047 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:27:50,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7189 states. [2022-10-16 13:27:50,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7189 to 7189. [2022-10-16 13:27:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7189 states, 5416 states have (on average 1.4126661742983753) internal successors, (7651), 5469 states have internal predecessors, (7651), 1224 states have call successors, (1224), 509 states have call predecessors, (1224), 507 states have return successors, (1222), 1212 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-10-16 13:27:50,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7189 states to 7189 states and 10097 transitions. [2022-10-16 13:27:50,895 INFO L78 Accepts]: Start accepts. Automaton has 7189 states and 10097 transitions. Word has length 89 [2022-10-16 13:27:50,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:27:50,896 INFO L495 AbstractCegarLoop]: Abstraction has 7189 states and 10097 transitions. [2022-10-16 13:27:50,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:27:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 7189 states and 10097 transitions. [2022-10-16 13:27:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 13:27:50,901 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:27:50,902 INFO L195 NwaCegarLoop]: trace histogram [16, 6, 6, 6, 4, 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] [2022-10-16 13:27:50,952 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 13:27:51,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:27:51,117 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting dummy_systimer_updateErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [dummy_hrtimer_pointerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 13:27:51,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:27:51,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1106219648, now seen corresponding path program 2 times [2022-10-16 13:27:51,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:27:51,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223395164] [2022-10-16 13:27:51,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:51,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:27:51,272 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:27:51,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [127737310] [2022-10-16 13:27:51,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:27:51,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:27:51,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:27:51,274 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 13:27:51,284 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 13:27:53,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 13:27:53,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:27:53,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 3178 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 13:27:53,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:27:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 84 proven. 10 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-10-16 13:27:53,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:27:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-10-16 13:27:54,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:27:54,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223395164] [2022-10-16 13:27:54,202 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:27:54,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127737310] [2022-10-16 13:27:54,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127737310] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:27:54,203 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:27:54,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-10-16 13:27:54,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026119034] [2022-10-16 13:27:54,203 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:27:54,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 13:27:54,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:27:54,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 13:27:54,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:27:54,205 INFO L87 Difference]: Start difference. First operand 7189 states and 10097 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:27:54,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:27:54,841 INFO L93 Difference]: Finished difference Result 14370 states and 20189 transitions. [2022-10-16 13:27:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 13:27:54,842 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 101 [2022-10-16 13:27:54,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:27:54,885 INFO L225 Difference]: With dead ends: 14370 [2022-10-16 13:27:54,887 INFO L226 Difference]: Without dead ends: 7193 [2022-10-16 13:27:54,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-10-16 13:27:54,925 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 16 mSDsluCounter, 11301 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 12717 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:27:54,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 12717 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:27:54,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7193 states. [2022-10-16 13:27:55,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7193 to 7193. [2022-10-16 13:27:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7193 states, 5420 states have (on average 1.4123616236162362) internal successors, (7655), 5473 states have internal predecessors, (7655), 1224 states have call successors, (1224), 509 states have call predecessors, (1224), 507 states have return successors, (1222), 1212 states have call predecessors, (1222), 1222 states have call successors, (1222) [2022-10-16 13:27:55,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7193 states to 7193 states and 10101 transitions. [2022-10-16 13:27:55,514 INFO L78 Accepts]: Start accepts. Automaton has 7193 states and 10101 transitions. Word has length 101 [2022-10-16 13:27:55,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:27:55,515 INFO L495 AbstractCegarLoop]: Abstraction has 7193 states and 10101 transitions. [2022-10-16 13:27:55,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:27:55,515 INFO L276 IsEmpty]: Start isEmpty. Operand 7193 states and 10101 transitions. [2022-10-16 13:27:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 13:27:55,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:27:55,518 INFO L195 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 4, 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] [2022-10-16 13:27:55,574 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 13:27:55,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:27:55,732 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting dummy_systimer_updateErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [dummy_hrtimer_pointerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, dummy_hrtimer_pointerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 13:27:55,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:27:55,733 INFO L85 PathProgramCache]: Analyzing trace with hash 75353984, now seen corresponding path program 3 times [2022-10-16 13:27:55,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:27:55,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403954946] [2022-10-16 13:27:55,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:55,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:27:55,905 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:27:55,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070119741] [2022-10-16 13:27:55,905 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 13:27:55,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:27:55,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:27:55,907 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 13:27:55,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process