/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 [2022-10-15 21:20:22,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:20:22,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:20:22,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:20:22,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:20:22,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:20:22,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:20:22,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:20:22,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:20:22,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:20:22,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:20:22,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:20:22,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:20:22,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:20:22,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:20:22,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:20:22,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:20:22,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:20:22,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:20:22,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:20:22,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:20:22,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:20:22,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:20:22,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:20:22,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:20:22,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:20:22,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:20:22,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:20:22,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:20:22,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:20:22,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:20:22,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:20:22,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:20:22,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:20:22,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:20:22,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:20:22,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:20:22,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:20:22,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:20:22,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:20:22,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:20:22,153 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 [2022-10-15 21:20:22,211 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:20:22,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:20:22,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:20:22,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:20:22,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:20:22,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:20:22,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:20:22,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:20:22,217 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:20:22,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:20:22,219 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:20:22,219 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:20:22,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:20:22,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:20:22,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:20:22,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:20:22,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:20:22,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:20:22,221 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:20:22,221 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:20:22,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:20:22,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:20:22,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:20:22,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:20:22,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:20:22,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:20:22,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:22,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:20:22,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:20:22,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:20:22,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:20:22,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:20:22,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:20:22,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:20:22,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:20:22,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:20:22,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:20:22,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:20:22,665 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:20:22,667 INFO L432 ainManager$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 [2022-10-15 21:20:22,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b2c44869/3064e5709b424547a3451316f569759f/FLAG16243507a [2022-10-15 21:20:23,847 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:20:23,848 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 [2022-10-15 21:20:23,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b2c44869/3064e5709b424547a3451316f569759f/FLAG16243507a [2022-10-15 21:20:24,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b2c44869/3064e5709b424547a3451316f569759f [2022-10-15 21:20:24,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:20:24,271 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:20:24,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:24,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:20:24,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:20:24,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:24" (1/1) ... [2022-10-15 21:20:24,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4229e325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:24, skipping insertion in model container [2022-10-15 21:20:24,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:24" (1/1) ... [2022-10-15 21:20:24,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:20:24,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:20:25,051 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3761] [2022-10-15 21:20:25,052 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] [2022-10-15 21:20:25,432 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] [2022-10-15 21:20:26,325 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-15 21:20:26,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:20:26,384 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:20:26,494 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3761] [2022-10-15 21:20:26,495 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] [2022-10-15 21:20:26,510 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] [2022-10-15 21:20:26,719 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-15 21:20:26,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:20:26,977 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:20:26,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26 WrapperNode [2022-10-15 21:20:26,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:26,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:20:26,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:20:26,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:20:26,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,279 INFO L138 Inliner]: procedures = 222, calls = 1606, calls flagged for inlining = 100, calls inlined = 88, statements flattened = 3188 [2022-10-15 21:20:27,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:20:27,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:20:27,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:20:27,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:20:27,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,600 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:20:27,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:20:27,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:20:27,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:20:27,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (1/1) ... [2022-10-15 21:20:27,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:27,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:20:27,706 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) [2022-10-15 21:20:27,725 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 [2022-10-15 21:20:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure hw_param_interval_c [2022-10-15 21:20:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_param_interval_c [2022-10-15 21:20:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-15 21:20:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-15 21:20:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-15 21:20:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-15 21:20:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-15 21:20:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-15 21:20:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_prepare [2022-10-15 21:20:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_prepare [2022-10-15 21:20:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:20:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:20:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_period_elapsed [2022-10-15 21:20:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_period_elapsed [2022-10-15 21:20:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-15 21:20:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-15 21:20:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:20:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:20:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:20:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:20:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_start [2022-10-15 21:20:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_start [2022-10-15 21:20:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_free [2022-10-15 21:20:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_free [2022-10-15 21:20:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-15 21:20:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-15 21:20:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_prepare [2022-10-15 21:20:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_prepare [2022-10-15 21:20:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:20:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:20:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dummy_unregister_all [2022-10-15 21:20:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dummy_unregister_all [2022-10-15 21:20:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:20:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:20:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_set_ops [2022-10-15 21:20:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_set_ops [2022-10-15 21:20:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_free [2022-10-15 21:20:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_free [2022-10-15 21:20:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:20:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:20:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_pointer [2022-10-15 21:20:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_pointer [2022-10-15 21:20:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-10-15 21:20:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-10-15 21:20:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:20:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_pointer [2022-10-15 21:20:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_pointer [2022-10-15 21:20:27,803 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dummy_remove [2022-10-15 21:20:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dummy_remove [2022-10-15 21:20:27,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:20:27,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 21:20:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-15 21:20:27,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-15 21:20:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_start [2022-10-15 21:20:27,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_start [2022-10-15 21:20:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-10-15 21:20:27,807 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-10-15 21:20:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_create [2022-10-15 21:20:27,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_create [2022-10-15 21:20:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dummy_probe [2022-10-15 21:20:27,807 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dummy_probe [2022-10-15 21:20:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure free_fake_buffer [2022-10-15 21:20:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure free_fake_buffer [2022-10-15 21:20:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_silence [2022-10-15 21:20:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_silence [2022-10-15 21:20:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:20:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:20:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_hw_free [2022-10-15 21:20:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_hw_free [2022-10-15 21:20:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:20:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:20:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_stop [2022-10-15 21:20:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_stop [2022-10-15 21:20:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_close [2022-10-15 21:20:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_close [2022-10-15 21:20:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:20:27,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:20:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_update [2022-10-15 21:20:27,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_update [2022-10-15 21:20:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_copy [2022-10-15 21:20:27,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_copy [2022-10-15 21:20:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:20:27,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:20:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_prepare [2022-10-15 21:20:27,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_prepare [2022-10-15 21:20:27,814 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:20:27,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:20:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:20:27,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:20:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:20:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_page [2022-10-15 21:20:27,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_page [2022-10-15 21:20:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:20:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dummy_resume [2022-10-15 21:20:27,816 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dummy_resume [2022-10-15 21:20:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:20:27,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:20:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_rearm [2022-10-15 21:20:27,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_rearm [2022-10-15 21:20:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:20:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~~ktime_t~0 [2022-10-15 21:20:27,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~~ktime_t~0 [2022-10-15 21:20:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_create [2022-10-15 21:20:27,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_create [2022-10-15 21:20:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-10-15 21:20:27,818 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-10-15 21:20:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:20:27,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:20:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:20:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:20:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~snd_pcm_uframes_t~0 [2022-10-15 21:20:27,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~snd_pcm_uframes_t~0 [2022-10-15 21:20:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure emu10k1_playback_constraints [2022-10-15 21:20:27,820 INFO L138 BoogieDeclarations]: Found implementation of procedure emu10k1_playback_constraints [2022-10-15 21:20:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_trigger [2022-10-15 21:20:27,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_trigger [2022-10-15 21:20:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:20:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-15 21:20:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-15 21:20:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:20:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:20:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl [2022-10-15 21:20:27,832 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl [2022-10-15 21:20:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:20:27,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:20:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_systimer_stop [2022-10-15 21:20:27,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_systimer_stop [2022-10-15 21:20:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_hrtimer_sync [2022-10-15 21:20:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_hrtimer_sync [2022-10-15 21:20:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure snd_power_change_state [2022-10-15 21:20:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_power_change_state [2022-10-15 21:20:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cb_get_time [2022-10-15 21:20:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cb_get_time [2022-10-15 21:20:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_pointer [2022-10-15 21:20:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_pointer [2022-10-15 21:20:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2022-10-15 21:20:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2022-10-15 21:20:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-15 21:20:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-15 21:20:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dummy_suspend [2022-10-15 21:20:27,836 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dummy_suspend [2022-10-15 21:20:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_open [2022-10-15 21:20:27,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_open [2022-10-15 21:20:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:20:27,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:20:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_pcm_hw_params [2022-10-15 21:20:27,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_pcm_hw_params [2022-10-15 21:20:27,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:20:27,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:20:27,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:20:27,837 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:20:27,837 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:20:28,498 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:20:28,503 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:20:29,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:20:32,761 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:20:32,781 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:20:32,781 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:20:32,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:20:32 BoogieIcfgContainer [2022-10-15 21:20:32,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:20:32,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:20:32,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:20:32,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:20:32,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:20:24" (1/3) ... [2022-10-15 21:20:32,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f81a13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:20:32, skipping insertion in model container [2022-10-15 21:20:32,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:26" (2/3) ... [2022-10-15 21:20:32,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f81a13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:20:32, skipping insertion in model container [2022-10-15 21:20:32,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:20:32" (3/3) ... [2022-10-15 21:20:32,798 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 [2022-10-15 21:20:32,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:20:32,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-10-15 21:20:32,968 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:20:32,978 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;@56d72b8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:20:32,978 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-10-15 21:20:32,989 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) [2022-10-15 21:20:33,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 21:20:33,014 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:33,015 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] [2022-10-15 21:20:33,016 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)] === [2022-10-15 21:20:33,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:33,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1804708204, now seen corresponding path program 1 times [2022-10-15 21:20:33,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:33,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823460766] [2022-10-15 21:20:33,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:33,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:20:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:20:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:20:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:20:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:20:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:20:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-15 21:20:34,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:34,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823460766] [2022-10-15 21:20:34,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823460766] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:34,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:34,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:20:34,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055649991] [2022-10-15 21:20:34,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:34,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:20:34,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:34,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:20:34,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:20:34,291 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) [2022-10-15 21:20:39,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:20:42,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:20:42,006 INFO L93 Difference]: Finished difference Result 3251 states and 4587 transitions. [2022-10-15 21:20:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:20:42,010 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 [2022-10-15 21:20:42,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:20:42,054 INFO L225 Difference]: With dead ends: 3251 [2022-10-15 21:20:42,054 INFO L226 Difference]: Without dead ends: 2159 [2022-10-15 21:20:42,069 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 [2022-10-15 21:20:42,074 INFO L413 NwaCegarLoop]: 1496 mSDtfsCounter, 2251 mSDsluCounter, 2645 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 1005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2363 SdHoareTripleChecker+Valid, 4141 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 [2022-10-15 21:20:42,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2363 Valid, 4141 Invalid, 2394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1005 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-10-15 21:20:42,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2022-10-15 21:20:42,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 1980. [2022-10-15 21:20:42,366 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) [2022-10-15 21:20:42,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 2748 transitions. [2022-10-15 21:20:42,392 INFO L78 Accepts]: Start accepts. Automaton has 1980 states and 2748 transitions. Word has length 82 [2022-10-15 21:20:42,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:20:42,394 INFO L495 AbstractCegarLoop]: Abstraction has 1980 states and 2748 transitions. [2022-10-15 21:20:42,395 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) [2022-10-15 21:20:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2748 transitions. [2022-10-15 21:20:42,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 21:20:42,408 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:42,414 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] [2022-10-15 21:20:42,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:20:42,416 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)] === [2022-10-15 21:20:42,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:42,417 INFO L85 PathProgramCache]: Analyzing trace with hash 2049990311, now seen corresponding path program 1 times [2022-10-15 21:20:42,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:42,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562808688] [2022-10-15 21:20:42,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:42,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:20:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:20:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:20:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:20:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-15 21:20:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-15 21:20:42,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:42,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562808688] [2022-10-15 21:20:42,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562808688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:42,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:42,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:20:42,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94522046] [2022-10-15 21:20:42,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:42,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:20:42,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:42,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:20:42,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:20:42,962 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) [2022-10-15 21:20:45,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:20:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:20:49,884 INFO L93 Difference]: Finished difference Result 6015 states and 8423 transitions. [2022-10-15 21:20:49,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:20:49,885 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 [2022-10-15 21:20:49,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:20:49,927 INFO L225 Difference]: With dead ends: 6015 [2022-10-15 21:20:49,927 INFO L226 Difference]: Without dead ends: 4062 [2022-10-15 21:20:49,941 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 [2022-10-15 21:20:49,943 INFO L413 NwaCegarLoop]: 1570 mSDtfsCounter, 2632 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 1302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 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, 6.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:20:49,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2740 Valid, 4320 Invalid, 2631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1302 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-10-15 21:20:49,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4062 states. [2022-10-15 21:20:50,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4062 to 3767. [2022-10-15 21:20:50,231 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) [2022-10-15 21:20:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 5263 transitions. [2022-10-15 21:20:50,260 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 5263 transitions. Word has length 80 [2022-10-15 21:20:50,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:20:50,261 INFO L495 AbstractCegarLoop]: Abstraction has 3767 states and 5263 transitions. [2022-10-15 21:20:50,261 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) [2022-10-15 21:20:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 5263 transitions. [2022-10-15 21:20:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 21:20:50,265 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:50,265 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] [2022-10-15 21:20:50,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:20:50,266 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)] === [2022-10-15 21:20:50,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:50,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1483317855, now seen corresponding path program 1 times [2022-10-15 21:20:50,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:50,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52210306] [2022-10-15 21:20:50,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:50,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:20:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:20:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:20:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:20:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 21:20:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-15 21:20:50,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:50,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52210306] [2022-10-15 21:20:50,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52210306] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:50,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:50,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:20:50,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491745246] [2022-10-15 21:20:50,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:50,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:20:50,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:50,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:20:50,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:20:50,934 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) [2022-10-15 21:20:53,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:20:58,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:20:58,141 INFO L93 Difference]: Finished difference Result 11518 states and 16234 transitions. [2022-10-15 21:20:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:20:58,142 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 [2022-10-15 21:20:58,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:20:58,213 INFO L225 Difference]: With dead ends: 11518 [2022-10-15 21:20:58,213 INFO L226 Difference]: Without dead ends: 7762 [2022-10-15 21:20:58,279 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 [2022-10-15 21:20:58,287 INFO L413 NwaCegarLoop]: 1513 mSDtfsCounter, 2173 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 951 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2245 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, 6.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:20:58,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2245 Valid, 4145 Invalid, 2265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [951 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-10-15 21:20:58,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7762 states. [2022-10-15 21:20:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7762 to 7185. [2022-10-15 21:20:58,769 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) [2022-10-15 21:20:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7185 states to 7185 states and 10093 transitions. [2022-10-15 21:20:58,811 INFO L78 Accepts]: Start accepts. Automaton has 7185 states and 10093 transitions. Word has length 85 [2022-10-15 21:20:58,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:20:58,812 INFO L495 AbstractCegarLoop]: Abstraction has 7185 states and 10093 transitions. [2022-10-15 21:20:58,812 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) [2022-10-15 21:20:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 7185 states and 10093 transitions. [2022-10-15 21:20:58,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 21:20:58,818 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:58,818 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] [2022-10-15 21:20:58,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:20:58,819 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)] === [2022-10-15 21:20:58,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:58,820 INFO L85 PathProgramCache]: Analyzing trace with hash -360983168, now seen corresponding path program 1 times [2022-10-15 21:20:58,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:58,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829422345] [2022-10-15 21:20:58,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:58,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:58,989 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:20:58,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1341067870] [2022-10-15 21:20:58,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:58,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:20:58,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:20:58,995 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) [2022-10-15 21:20:59,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:20:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:59,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 2938 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 21:20:59,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:20:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-15 21:20:59,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:20:59,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:59,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829422345] [2022-10-15 21:20:59,875 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:20:59,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341067870] [2022-10-15 21:20:59,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341067870] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:59,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:59,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:20:59,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769526051] [2022-10-15 21:20:59,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:59,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:20:59,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:59,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:20:59,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:20:59,880 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) [2022-10-15 21:21:00,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:21:00,300 INFO L93 Difference]: Finished difference Result 14357 states and 20170 transitions. [2022-10-15 21:21:00,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:21:00,301 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 [2022-10-15 21:21:00,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:21:00,361 INFO L225 Difference]: With dead ends: 14357 [2022-10-15 21:21:00,361 INFO L226 Difference]: Without dead ends: 7186 [2022-10-15 21:21:00,393 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 [2022-10-15 21:21:00,395 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 [2022-10-15 21:21:00,397 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] [2022-10-15 21:21:00,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7186 states. [2022-10-15 21:21:00,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7186 to 7186. [2022-10-15 21:21:00,784 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) [2022-10-15 21:21:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7186 states to 7186 states and 10094 transitions. [2022-10-15 21:21:00,825 INFO L78 Accepts]: Start accepts. Automaton has 7186 states and 10094 transitions. Word has length 85 [2022-10-15 21:21:00,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:21:00,825 INFO L495 AbstractCegarLoop]: Abstraction has 7186 states and 10094 transitions. [2022-10-15 21:21:00,827 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) [2022-10-15 21:21:00,827 INFO L276 IsEmpty]: Start isEmpty. Operand 7186 states and 10094 transitions. [2022-10-15 21:21:00,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 21:21:00,832 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:00,832 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] [2022-10-15 21:21:00,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:21:01,047 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 [2022-10-15 21:21:01,048 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)] === [2022-10-15 21:21:01,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:01,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1801434772, now seen corresponding path program 1 times [2022-10-15 21:21:01,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:01,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459940688] [2022-10-15 21:21:01,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:01,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:01,233 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:21:01,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556744605] [2022-10-15 21:21:01,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:01,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:21:01,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:21:01,236 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) [2022-10-15 21:21:01,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:21:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:01,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 2998 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-15 21:21:01,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:21:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-15 21:21:02,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:21:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-10-15 21:21:02,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:21:02,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459940688] [2022-10-15 21:21:02,224 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:21:02,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556744605] [2022-10-15 21:21:02,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556744605] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:21:02,225 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-15 21:21:02,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2022-10-15 21:21:02,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115499919] [2022-10-15 21:21:02,225 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-15 21:21:02,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:21:02,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:21:02,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:21:02,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:21:02,227 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) [2022-10-15 21:21:02,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:21:02,825 INFO L93 Difference]: Finished difference Result 14363 states and 20181 transitions. [2022-10-15 21:21:02,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:21:02,826 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 [2022-10-15 21:21:02,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:21:02,904 INFO L225 Difference]: With dead ends: 14363 [2022-10-15 21:21:02,905 INFO L226 Difference]: Without dead ends: 7189 [2022-10-15 21:21:02,938 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 [2022-10-15 21:21:02,939 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 [2022-10-15 21:21:02,939 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] [2022-10-15 21:21:02,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7189 states. [2022-10-15 21:21:03,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7189 to 7189. [2022-10-15 21:21:03,411 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) [2022-10-15 21:21:03,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7189 states to 7189 states and 10097 transitions. [2022-10-15 21:21:03,448 INFO L78 Accepts]: Start accepts. Automaton has 7189 states and 10097 transitions. Word has length 89 [2022-10-15 21:21:03,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:21:03,448 INFO L495 AbstractCegarLoop]: Abstraction has 7189 states and 10097 transitions. [2022-10-15 21:21:03,449 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) [2022-10-15 21:21:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 7189 states and 10097 transitions. [2022-10-15 21:21:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:21:03,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:03,453 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] [2022-10-15 21:21:03,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:21:03,667 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 [2022-10-15 21:21:03,668 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)] === [2022-10-15 21:21:03,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:03,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1106219648, now seen corresponding path program 2 times [2022-10-15 21:21:03,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:03,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796629126] [2022-10-15 21:21:03,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:03,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:03,814 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:21:03,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068691571] [2022-10-15 21:21:03,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 21:21:03,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:21:03,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:21:03,816 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) [2022-10-15 21:21:03,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:21:06,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-15 21:21:06,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 21:21:06,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 3178 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-15 21:21:06,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:21:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 84 proven. 10 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-10-15 21:21:06,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:21:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-10-15 21:21:06,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:21:06,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796629126] [2022-10-15 21:21:06,683 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:21:06,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068691571] [2022-10-15 21:21:06,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068691571] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:21:06,683 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-15 21:21:06,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-10-15 21:21:06,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123083874] [2022-10-15 21:21:06,684 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-15 21:21:06,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 21:21:06,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:21:06,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 21:21:06,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:21:06,686 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) [2022-10-15 21:21:07,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:21:07,384 INFO L93 Difference]: Finished difference Result 14370 states and 20189 transitions. [2022-10-15 21:21:07,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:21:07,385 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 [2022-10-15 21:21:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:21:07,425 INFO L225 Difference]: With dead ends: 14370 [2022-10-15 21:21:07,426 INFO L226 Difference]: Without dead ends: 7193 [2022-10-15 21:21:07,454 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 [2022-10-15 21:21:07,456 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 [2022-10-15 21:21:07,456 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] [2022-10-15 21:21:07,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7193 states. [2022-10-15 21:21:07,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7193 to 7193. [2022-10-15 21:21:07,784 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) [2022-10-15 21:21:07,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7193 states to 7193 states and 10101 transitions. [2022-10-15 21:21:07,820 INFO L78 Accepts]: Start accepts. Automaton has 7193 states and 10101 transitions. Word has length 101 [2022-10-15 21:21:07,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:21:07,821 INFO L495 AbstractCegarLoop]: Abstraction has 7193 states and 10101 transitions. [2022-10-15 21:21:07,821 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) [2022-10-15 21:21:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 7193 states and 10101 transitions. [2022-10-15 21:21:07,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 21:21:07,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:07,825 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] [2022-10-15 21:21:07,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 21:21:08,040 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 [2022-10-15 21:21:08,041 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)] === [2022-10-15 21:21:08,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:08,042 INFO L85 PathProgramCache]: Analyzing trace with hash 75353984, now seen corresponding path program 3 times [2022-10-15 21:21:08,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:08,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084124015] [2022-10-15 21:21:08,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:08,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:08,207 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:21:08,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972398061] [2022-10-15 21:21:08,208 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-15 21:21:08,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:21:08,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:21:08,209 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) [2022-10-15 21:21:08,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process