/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--scsi_debug.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 15:14:35,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 15:14:35,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 15:14:35,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 15:14:35,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 15:14:35,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 15:14:35,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 15:14:35,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 15:14:35,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 15:14:35,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 15:14:35,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 15:14:35,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 15:14:35,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 15:14:35,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 15:14:35,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 15:14:35,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 15:14:35,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 15:14:35,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 15:14:35,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 15:14:35,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 15:14:35,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 15:14:35,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 15:14:35,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 15:14:35,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 15:14:36,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 15:14:36,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 15:14:36,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 15:14:36,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 15:14:36,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 15:14:36,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 15:14:36,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 15:14:36,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 15:14:36,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 15:14:36,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 15:14:36,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 15:14:36,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 15:14:36,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 15:14:36,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 15:14:36,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 15:14:36,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 15:14:36,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 15:14:36,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 15:14:36,079 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 15:14:36,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 15:14:36,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 15:14:36,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 15:14:36,084 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 15:14:36,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 15:14:36,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 15:14:36,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 15:14:36,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 15:14:36,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 15:14:36,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 15:14:36,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 15:14:36,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 15:14:36,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 15:14:36,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 15:14:36,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 15:14:36,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 15:14:36,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:14:36,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 15:14:36,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 15:14:36,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 15:14:36,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 15:14:36,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 15:14:36,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 15:14:36,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 15:14:36,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 15:14:36,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 15:14:36,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 15:14:36,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 15:14:36,521 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 15:14:36,521 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 15:14:36,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--scsi_debug.ko-entry_point.cil.out.i [2020-12-22 15:14:36,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/260141b2d/4bb544a91d844a15b4e1abcd328bcc37/FLAG2cb8adf6b [2020-12-22 15:14:37,914 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 15:14:37,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--scsi_debug.ko-entry_point.cil.out.i [2020-12-22 15:14:37,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/260141b2d/4bb544a91d844a15b4e1abcd328bcc37/FLAG2cb8adf6b [2020-12-22 15:14:38,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/260141b2d/4bb544a91d844a15b4e1abcd328bcc37 [2020-12-22 15:14:38,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 15:14:38,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 15:14:38,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 15:14:38,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 15:14:38,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 15:14:38,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:14:38" (1/1) ... [2020-12-22 15:14:38,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6dfdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:38, skipping insertion in model container [2020-12-22 15:14:38,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:14:38" (1/1) ... [2020-12-22 15:14:38,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 15:14:38,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 15:14:41,729 WARN L226 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--scsi_debug.ko-entry_point.cil.out.i[422408,422421] [2020-12-22 15:14:41,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:14:41,980 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 15:14:42,599 WARN L226 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--scsi_debug.ko-entry_point.cil.out.i[422408,422421] [2020-12-22 15:14:42,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:14:43,619 INFO L208 MainTranslator]: Completed translation [2020-12-22 15:14:43,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43 WrapperNode [2020-12-22 15:14:43,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 15:14:43,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 15:14:43,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 15:14:43,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 15:14:43,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (1/1) ... [2020-12-22 15:14:43,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (1/1) ... [2020-12-22 15:14:45,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 15:14:45,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 15:14:45,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 15:14:45,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 15:14:45,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (1/1) ... [2020-12-22 15:14:45,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (1/1) ... [2020-12-22 15:14:45,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (1/1) ... [2020-12-22 15:14:45,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (1/1) ... [2020-12-22 15:14:46,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (1/1) ... [2020-12-22 15:14:47,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (1/1) ... [2020-12-22 15:14:47,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (1/1) ... [2020-12-22 15:14:47,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 15:14:47,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 15:14:47,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 15:14:47,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 15:14:47,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:14:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 15:14:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 15:14:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure sdebug_queuecommand_lock_or_not [2020-12-22 15:14:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure sdebug_queuecommand_lock_or_not [2020-12-22 15:14:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 15:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-12-22 15:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 15:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2020-12-22 15:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 15:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 15:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 15:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 15:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 15:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_debug_queuecommand [2020-12-22 15:14:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_debug_queuecommand [2020-12-22 15:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 15:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 15:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 15:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-22 15:14:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-22 15:14:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 15:14:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 15:14:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 15:16:48,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 15:16:48,351 INFO L299 CfgBuilder]: Removed 5351 assume(true) statements. [2020-12-22 15:16:48,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:16:48 BoogieIcfgContainer [2020-12-22 15:16:48,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 15:16:48,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 15:16:48,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 15:16:48,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 15:16:48,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:14:38" (1/3) ... [2020-12-22 15:16:48,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362d17b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:16:48, skipping insertion in model container [2020-12-22 15:16:48,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:43" (2/3) ... [2020-12-22 15:16:48,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362d17b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:16:48, skipping insertion in model container [2020-12-22 15:16:48,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:16:48" (3/3) ... [2020-12-22 15:16:48,368 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--scsi_debug.ko-entry_point.cil.out.i [2020-12-22 15:16:48,374 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 15:16:48,382 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2020-12-22 15:16:48,402 INFO L253 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2020-12-22 15:16:48,451 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 15:16:48,451 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 15:16:48,451 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 15:16:48,451 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 15:16:48,451 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 15:16:48,452 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 15:16:48,452 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 15:16:48,452 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 15:16:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 5793 states. [2020-12-22 15:16:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-12-22 15:16:48,597 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:16:48,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:16:48,601 INFO L429 AbstractCegarLoop]: === Iteration 1 === [scsi_debug_queuecommandErr7ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr6ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr5ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr12ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr8ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr9ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr10ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr3ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr11ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr4ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr1ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr2ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:16:48,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:16:48,608 INFO L82 PathProgramCache]: Analyzing trace with hash -686855059, now seen corresponding path program 1 times [2020-12-22 15:16:48,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:16:48,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724866079] [2020-12-22 15:16:48,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:16:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:16:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:16:50,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724866079] [2020-12-22 15:16:50,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:16:50,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 15:16:50,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284684921] [2020-12-22 15:16:50,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 15:16:50,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:16:50,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 15:16:50,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 15:16:50,430 INFO L87 Difference]: Start difference. First operand 5793 states. Second operand 2 states. [2020-12-22 15:16:50,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:16:50,749 INFO L93 Difference]: Finished difference Result 11582 states and 16866 transitions. [2020-12-22 15:16:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 15:16:50,751 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 323 [2020-12-22 15:16:50,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:16:50,809 INFO L225 Difference]: With dead ends: 11582 [2020-12-22 15:16:50,809 INFO L226 Difference]: Without dead ends: 5702 [2020-12-22 15:16:50,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 15:16:50,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2020-12-22 15:16:51,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 5702. [2020-12-22 15:16:51,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5702 states. [2020-12-22 15:16:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5702 states to 5702 states and 8102 transitions. [2020-12-22 15:16:51,125 INFO L78 Accepts]: Start accepts. Automaton has 5702 states and 8102 transitions. Word has length 323 [2020-12-22 15:16:51,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:16:51,125 INFO L481 AbstractCegarLoop]: Abstraction has 5702 states and 8102 transitions. [2020-12-22 15:16:51,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 15:16:51,126 INFO L276 IsEmpty]: Start isEmpty. Operand 5702 states and 8102 transitions. [2020-12-22 15:16:51,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-12-22 15:16:51,133 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:16:51,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:16:51,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 15:16:51,134 INFO L429 AbstractCegarLoop]: === Iteration 2 === [scsi_debug_queuecommandErr7ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr6ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr5ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr12ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr8ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr9ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr10ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr3ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr11ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr4ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr1ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr2ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:16:51,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:16:51,135 INFO L82 PathProgramCache]: Analyzing trace with hash -783288695, now seen corresponding path program 1 times [2020-12-22 15:16:51,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:16:51,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888180608] [2020-12-22 15:16:51,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:16:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:16:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:16:52,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888180608] [2020-12-22 15:16:52,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:16:52,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:16:52,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910027874] [2020-12-22 15:16:52,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:16:52,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:16:52,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:16:52,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:16:52,804 INFO L87 Difference]: Start difference. First operand 5702 states and 8102 transitions. Second operand 3 states. [2020-12-22 15:16:53,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:16:53,700 INFO L93 Difference]: Finished difference Result 16439 states and 23587 transitions. [2020-12-22 15:16:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:16:53,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2020-12-22 15:16:53,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:16:53,781 INFO L225 Difference]: With dead ends: 16439 [2020-12-22 15:16:53,782 INFO L226 Difference]: Without dead ends: 11032 [2020-12-22 15:16:53,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:16:53,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11032 states. [2020-12-22 15:16:54,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11032 to 10927. [2020-12-22 15:16:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10927 states. [2020-12-22 15:16:54,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10927 states to 10927 states and 15724 transitions. [2020-12-22 15:16:54,189 INFO L78 Accepts]: Start accepts. Automaton has 10927 states and 15724 transitions. Word has length 323 [2020-12-22 15:16:54,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:16:54,191 INFO L481 AbstractCegarLoop]: Abstraction has 10927 states and 15724 transitions. [2020-12-22 15:16:54,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:16:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 10927 states and 15724 transitions. [2020-12-22 15:16:54,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-12-22 15:16:54,198 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:16:54,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:16:54,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 15:16:54,199 INFO L429 AbstractCegarLoop]: === Iteration 3 === [scsi_debug_queuecommandErr7ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr6ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr5ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr12ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr8ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr9ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr10ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr3ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr11ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr4ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr1ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr2ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:16:54,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:16:54,200 INFO L82 PathProgramCache]: Analyzing trace with hash -981089314, now seen corresponding path program 1 times [2020-12-22 15:16:54,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:16:54,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702842874] [2020-12-22 15:16:54,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:16:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:16:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:16:55,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702842874] [2020-12-22 15:16:55,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:16:55,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:16:55,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764177138] [2020-12-22 15:16:55,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:16:55,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:16:55,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:16:55,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:16:55,915 INFO L87 Difference]: Start difference. First operand 10927 states and 15724 transitions. Second operand 3 states. [2020-12-22 15:16:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:16:56,910 INFO L93 Difference]: Finished difference Result 31980 states and 46291 transitions. [2020-12-22 15:16:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:16:56,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-12-22 15:16:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:16:57,035 INFO L225 Difference]: With dead ends: 31980 [2020-12-22 15:16:57,036 INFO L226 Difference]: Without dead ends: 21348 [2020-12-22 15:16:57,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:16:57,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21348 states. [2020-12-22 15:16:57,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21348 to 21265. [2020-12-22 15:16:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21265 states. [2020-12-22 15:16:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21265 states to 21265 states and 30826 transitions. [2020-12-22 15:16:57,811 INFO L78 Accepts]: Start accepts. Automaton has 21265 states and 30826 transitions. Word has length 328 [2020-12-22 15:16:57,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:16:57,812 INFO L481 AbstractCegarLoop]: Abstraction has 21265 states and 30826 transitions. [2020-12-22 15:16:57,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:16:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 21265 states and 30826 transitions. [2020-12-22 15:16:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-12-22 15:16:57,820 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:16:57,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:16:57,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 15:16:57,821 INFO L429 AbstractCegarLoop]: === Iteration 4 === [scsi_debug_queuecommandErr7ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr6ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr5ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr12ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr8ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr9ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr10ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr3ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr11ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr4ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr1ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr2ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:16:57,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:16:57,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1952172415, now seen corresponding path program 1 times [2020-12-22 15:16:57,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:16:57,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141558456] [2020-12-22 15:16:57,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:16:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:16:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:16:59,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141558456] [2020-12-22 15:16:59,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:16:59,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:16:59,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855535510] [2020-12-22 15:16:59,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:16:59,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:16:59,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:16:59,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:16:59,641 INFO L87 Difference]: Start difference. First operand 21265 states and 30826 transitions. Second operand 3 states. [2020-12-22 15:17:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:17:01,268 INFO L93 Difference]: Finished difference Result 45267 states and 65793 transitions. [2020-12-22 15:17:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:17:01,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 331 [2020-12-22 15:17:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:17:01,362 INFO L225 Difference]: With dead ends: 45267 [2020-12-22 15:17:01,363 INFO L226 Difference]: Without dead ends: 24297 [2020-12-22 15:17:01,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:17:01,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24297 states. [2020-12-22 15:17:02,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24297 to 24277. [2020-12-22 15:17:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24277 states. [2020-12-22 15:17:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24277 states to 24277 states and 35266 transitions. [2020-12-22 15:17:02,147 INFO L78 Accepts]: Start accepts. Automaton has 24277 states and 35266 transitions. Word has length 331 [2020-12-22 15:17:02,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:17:02,147 INFO L481 AbstractCegarLoop]: Abstraction has 24277 states and 35266 transitions. [2020-12-22 15:17:02,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:17:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand 24277 states and 35266 transitions. [2020-12-22 15:17:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-12-22 15:17:02,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:17:02,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:17:02,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 15:17:02,157 INFO L429 AbstractCegarLoop]: === Iteration 5 === [scsi_debug_queuecommandErr7ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr6ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr5ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr12ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr8ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr9ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr10ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr3ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr11ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr4ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr1ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr2ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:17:02,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:17:02,158 INFO L82 PathProgramCache]: Analyzing trace with hash 106410891, now seen corresponding path program 1 times [2020-12-22 15:17:02,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:17:02,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232814376] [2020-12-22 15:17:02,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:17:02,969 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 15:17:02,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2090358338] [2020-12-22 15:17:02,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:17:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:17:12,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 12987 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 15:17:12,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 15:17:13,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:17:13,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232814376] [2020-12-22 15:17:13,631 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 15:17:13,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090358338] [2020-12-22 15:17:13,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:17:13,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 15:17:13,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492254421] [2020-12-22 15:17:13,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:17:13,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:17:13,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:17:13,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:17:13,634 INFO L87 Difference]: Start difference. First operand 24277 states and 35266 transitions. Second operand 3 states. [2020-12-22 15:17:14,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:17:14,873 INFO L93 Difference]: Finished difference Result 72233 states and 105208 transitions. [2020-12-22 15:17:14,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:17:14,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2020-12-22 15:17:14,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:17:15,064 INFO L225 Difference]: With dead ends: 72233 [2020-12-22 15:17:15,065 INFO L226 Difference]: Without dead ends: 48251 [2020-12-22 15:17:15,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:17:15,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48251 states. [2020-12-22 15:17:16,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48251 to 48189. [2020-12-22 15:17:16,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48189 states. [2020-12-22 15:17:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48189 states to 48189 states and 70174 transitions. [2020-12-22 15:17:17,136 INFO L78 Accepts]: Start accepts. Automaton has 48189 states and 70174 transitions. Word has length 343 [2020-12-22 15:17:17,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:17:17,137 INFO L481 AbstractCegarLoop]: Abstraction has 48189 states and 70174 transitions. [2020-12-22 15:17:17,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:17:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 48189 states and 70174 transitions. [2020-12-22 15:17:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-12-22 15:17:17,145 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:17:17,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:17:17,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:17:17,361 INFO L429 AbstractCegarLoop]: === Iteration 6 === [scsi_debug_queuecommandErr7ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr6ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr5ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr12ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr8ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr9ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr10ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr3ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr11ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr4ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr1ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr2ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:17:17,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:17:17,362 INFO L82 PathProgramCache]: Analyzing trace with hash -702935735, now seen corresponding path program 1 times [2020-12-22 15:17:17,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:17:17,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40855232] [2020-12-22 15:17:17,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:17:18,084 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 15:17:18,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862324399] [2020-12-22 15:17:18,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:17:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:17:28,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 12987 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 15:17:28,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 15:17:29,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:17:29,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40855232] [2020-12-22 15:17:29,016 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 15:17:29,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862324399] [2020-12-22 15:17:29,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:17:29,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 15:17:29,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748701645] [2020-12-22 15:17:29,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:17:29,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:17:29,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:17:29,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:17:29,019 INFO L87 Difference]: Start difference. First operand 48189 states and 70174 transitions. Second operand 3 states. [2020-12-22 15:17:30,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:17:30,381 INFO L93 Difference]: Finished difference Result 96083 states and 140033 transitions. [2020-12-22 15:17:30,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:17:30,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2020-12-22 15:17:30,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:17:30,553 INFO L225 Difference]: With dead ends: 96083 [2020-12-22 15:17:30,553 INFO L226 Difference]: Without dead ends: 48189 [2020-12-22 15:17:30,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:17:30,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48189 states. [2020-12-22 15:17:32,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48189 to 48189. [2020-12-22 15:17:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48189 states. [2020-12-22 15:17:32,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48189 states to 48189 states and 70158 transitions. [2020-12-22 15:17:32,753 INFO L78 Accepts]: Start accepts. Automaton has 48189 states and 70158 transitions. Word has length 343 [2020-12-22 15:17:32,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:17:32,755 INFO L481 AbstractCegarLoop]: Abstraction has 48189 states and 70158 transitions. [2020-12-22 15:17:32,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:17:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 48189 states and 70158 transitions. [2020-12-22 15:17:32,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-12-22 15:17:32,764 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:17:32,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:17:32,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:17:32,980 INFO L429 AbstractCegarLoop]: === Iteration 7 === [scsi_debug_queuecommandErr7ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr6ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr5ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr12ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr8ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr9ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr10ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr3ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr11ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr4ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr1ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr2ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:17:32,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:17:32,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1095962745, now seen corresponding path program 1 times [2020-12-22 15:17:32,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:17:32,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860257225] [2020-12-22 15:17:32,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:17:33,867 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 15:17:33,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598041909] [2020-12-22 15:17:33,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:17:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:17:43,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 12985 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 15:17:43,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 15:17:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:17:44,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860257225] [2020-12-22 15:17:44,418 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 15:17:44,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598041909] [2020-12-22 15:17:44,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:17:44,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 15:17:44,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341025082] [2020-12-22 15:17:44,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:17:44,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:17:44,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:17:44,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:17:44,421 INFO L87 Difference]: Start difference. First operand 48189 states and 70158 transitions. Second operand 3 states. [2020-12-22 15:17:45,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:17:45,457 INFO L93 Difference]: Finished difference Result 96083 states and 140001 transitions. [2020-12-22 15:17:45,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:17:45,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2020-12-22 15:17:45,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:17:45,597 INFO L225 Difference]: With dead ends: 96083 [2020-12-22 15:17:45,597 INFO L226 Difference]: Without dead ends: 48189 [2020-12-22 15:17:45,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:17:45,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48189 states. [2020-12-22 15:17:47,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48189 to 48189. [2020-12-22 15:17:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48189 states. [2020-12-22 15:17:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48189 states to 48189 states and 70126 transitions. [2020-12-22 15:17:47,474 INFO L78 Accepts]: Start accepts. Automaton has 48189 states and 70126 transitions. Word has length 343 [2020-12-22 15:17:47,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:17:47,475 INFO L481 AbstractCegarLoop]: Abstraction has 48189 states and 70126 transitions. [2020-12-22 15:17:47,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:17:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 48189 states and 70126 transitions. [2020-12-22 15:17:47,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-12-22 15:17:47,480 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:17:47,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:17:47,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:17:47,696 INFO L429 AbstractCegarLoop]: === Iteration 8 === [scsi_debug_queuecommandErr7ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr6ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr5ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr12ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr8ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr9ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr10ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr3ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr11ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr4ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr1ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr2ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:17:47,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:17:47,698 INFO L82 PathProgramCache]: Analyzing trace with hash 2099695109, now seen corresponding path program 1 times [2020-12-22 15:17:47,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:17:47,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401477242] [2020-12-22 15:17:47,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:17:48,262 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 15:17:48,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [812049083] [2020-12-22 15:17:48,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:17:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:17:58,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 12984 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 15:17:58,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 15:17:59,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:17:59,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401477242] [2020-12-22 15:17:59,202 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 15:17:59,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812049083] [2020-12-22 15:17:59,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:17:59,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 15:17:59,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072504413] [2020-12-22 15:17:59,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:17:59,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:17:59,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:17:59,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:17:59,204 INFO L87 Difference]: Start difference. First operand 48189 states and 70126 transitions. Second operand 3 states. [2020-12-22 15:18:01,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:18:01,241 INFO L93 Difference]: Finished difference Result 142265 states and 207704 transitions. [2020-12-22 15:18:01,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:18:01,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 344 [2020-12-22 15:18:01,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:18:01,474 INFO L225 Difference]: With dead ends: 142265 [2020-12-22 15:18:01,475 INFO L226 Difference]: Without dead ends: 94371 [2020-12-22 15:18:01,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:18:01,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94371 states. [2020-12-22 15:18:04,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94371 to 94325. [2020-12-22 15:18:04,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94325 states. [2020-12-22 15:18:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94325 states to 94325 states and 137606 transitions. [2020-12-22 15:18:04,473 INFO L78 Accepts]: Start accepts. Automaton has 94325 states and 137606 transitions. Word has length 344 [2020-12-22 15:18:04,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:18:04,473 INFO L481 AbstractCegarLoop]: Abstraction has 94325 states and 137606 transitions. [2020-12-22 15:18:04,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:18:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 94325 states and 137606 transitions. [2020-12-22 15:18:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-12-22 15:18:04,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:18:04,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:18:04,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:18:04,694 INFO L429 AbstractCegarLoop]: === Iteration 9 === [scsi_debug_queuecommandErr7ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr6ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr5ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr12ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr8ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr9ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr10ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr3ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr11ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr4ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr1ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr2ASSERT_VIOLATIONERROR_FUNCTION, scsi_debug_queuecommandErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:18:04,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:18:04,696 INFO L82 PathProgramCache]: Analyzing trace with hash -2034756960, now seen corresponding path program 1 times [2020-12-22 15:18:04,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:18:04,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814563157] [2020-12-22 15:18:04,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:18:05,474 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 15:18:05,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1508139458] [2020-12-22 15:18:05,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:18:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:18:15,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 12983 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 15:18:15,384 INFO L286 TraceCheckSpWp]: Computing forward predicates...