/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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 12:54:01,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 12:54:01,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 12:54:02,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 12:54:02,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 12:54:02,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 12:54:02,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 12:54:02,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 12:54:02,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 12:54:02,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 12:54:02,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 12:54:02,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 12:54:02,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 12:54:02,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 12:54:02,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 12:54:02,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 12:54:02,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 12:54:02,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 12:54:02,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 12:54:02,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 12:54:02,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 12:54:02,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 12:54:02,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 12:54:02,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 12:54:02,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 12:54:02,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 12:54:02,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 12:54:02,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 12:54:02,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 12:54:02,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 12:54:02,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 12:54:02,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 12:54:02,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 12:54:02,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 12:54:02,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 12:54:02,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 12:54:02,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 12:54:02,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 12:54:02,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 12:54:02,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 12:54:02,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 12:54:02,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 12:54:02,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 12:54:02,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 12:54:02,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 12:54:02,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 12:54:02,198 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 12:54:02,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 12:54:02,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 12:54:02,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 12:54:02,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 12:54:02,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 12:54:02,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 12:54:02,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 12:54:02,201 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 12:54:02,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 12:54:02,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 12:54:02,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 12:54:02,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 12:54:02,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 12:54:02,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 12:54:02,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 12:54:02,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 12:54:02,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 12:54:02,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 12:54:02,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 12:54:02,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 12:54:02,205 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 12:54:02,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 12:54:02,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 12:54:02,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 12:54:02,639 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 12:54:02,640 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 12:54:02,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2020-12-22 12:54:02,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b32083bb/3c57cdf12b94487f9f14162e3edab11f/FLAG871178a83 [2020-12-22 12:54:03,779 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 12:54:03,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2020-12-22 12:54:03,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b32083bb/3c57cdf12b94487f9f14162e3edab11f/FLAG871178a83 [2020-12-22 12:54:04,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b32083bb/3c57cdf12b94487f9f14162e3edab11f [2020-12-22 12:54:04,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 12:54:04,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 12:54:04,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 12:54:04,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 12:54:04,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 12:54:04,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:54:04" (1/1) ... [2020-12-22 12:54:04,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3551b40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:04, skipping insertion in model container [2020-12-22 12:54:04,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:54:04" (1/1) ... [2020-12-22 12:54:04,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 12:54:04,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 12:54:06,109 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2020-12-22 12:54:06,237 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-12-22 12:54:06,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 12:54:06,274 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 12:54:06,808 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2020-12-22 12:54:06,835 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-12-22 12:54:06,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 12:54:07,247 INFO L208 MainTranslator]: Completed translation [2020-12-22 12:54:07,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07 WrapperNode [2020-12-22 12:54:07,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 12:54:07,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 12:54:07,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 12:54:07,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 12:54:07,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (1/1) ... [2020-12-22 12:54:07,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (1/1) ... [2020-12-22 12:54:07,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 12:54:07,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 12:54:07,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 12:54:07,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 12:54:07,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (1/1) ... [2020-12-22 12:54:07,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (1/1) ... [2020-12-22 12:54:07,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (1/1) ... [2020-12-22 12:54:07,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (1/1) ... [2020-12-22 12:54:07,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (1/1) ... [2020-12-22 12:54:07,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (1/1) ... [2020-12-22 12:54:07,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (1/1) ... [2020-12-22 12:54:07,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 12:54:07,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 12:54:07,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 12:54:07,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 12:54:07,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (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 12:54:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 12:54:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 12:54:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 12:54:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 12:54:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 12:54:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 12:54:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 12:54:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 12:54:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 12:54:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 12:54:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 12:54:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 12:54:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 12:54:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 12:54:07,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 12:54:17,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 12:54:17,716 INFO L299 CfgBuilder]: Removed 182 assume(true) statements. [2020-12-22 12:54:17,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:54:17 BoogieIcfgContainer [2020-12-22 12:54:17,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 12:54:17,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 12:54:17,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 12:54:17,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 12:54:17,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 12:54:04" (1/3) ... [2020-12-22 12:54:17,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae79292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 12:54:17, skipping insertion in model container [2020-12-22 12:54:17,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:54:07" (2/3) ... [2020-12-22 12:54:17,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae79292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 12:54:17, skipping insertion in model container [2020-12-22 12:54:17,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:54:17" (3/3) ... [2020-12-22 12:54:17,728 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2020-12-22 12:54:17,735 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 12:54:17,740 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-12-22 12:54:17,761 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-12-22 12:54:17,791 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 12:54:17,791 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 12:54:17,791 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 12:54:17,791 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 12:54:17,791 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 12:54:17,792 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 12:54:17,792 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 12:54:17,792 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 12:54:17,814 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-12-22 12:54:17,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 12:54:17,821 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:17,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:54:17,822 INFO L429 AbstractCegarLoop]: === Iteration 1 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:17,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:17,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1013367014, now seen corresponding path program 1 times [2020-12-22 12:54:17,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:17,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453359277] [2020-12-22 12:54:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:18,666 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 12:54:18,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453359277] [2020-12-22 12:54:18,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:18,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:54:18,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974887663] [2020-12-22 12:54:18,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:54:18,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:18,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:54:18,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:54:18,695 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-12-22 12:54:18,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:18,990 INFO L93 Difference]: Finished difference Result 576 states and 851 transitions. [2020-12-22 12:54:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:54:18,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-12-22 12:54:18,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:19,008 INFO L225 Difference]: With dead ends: 576 [2020-12-22 12:54:19,008 INFO L226 Difference]: Without dead ends: 325 [2020-12-22 12:54:19,013 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 12:54:19,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-12-22 12:54:19,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 306. [2020-12-22 12:54:19,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-12-22 12:54:19,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 448 transitions. [2020-12-22 12:54:19,079 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 448 transitions. Word has length 14 [2020-12-22 12:54:19,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:19,079 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 448 transitions. [2020-12-22 12:54:19,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:54:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 448 transitions. [2020-12-22 12:54:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 12:54:19,081 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:19,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:54:19,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 12:54:19,082 INFO L429 AbstractCegarLoop]: === Iteration 2 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:19,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:19,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1696174329, now seen corresponding path program 1 times [2020-12-22 12:54:19,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:19,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549464568] [2020-12-22 12:54:19,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:19,362 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 12:54:19,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549464568] [2020-12-22 12:54:19,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:19,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:54:19,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736917459] [2020-12-22 12:54:19,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:54:19,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:19,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:54:19,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:54:19,367 INFO L87 Difference]: Start difference. First operand 306 states and 448 transitions. Second operand 3 states. [2020-12-22 12:54:21,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:21,600 INFO L93 Difference]: Finished difference Result 874 states and 1296 transitions. [2020-12-22 12:54:21,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:54:21,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-12-22 12:54:21,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:21,610 INFO L225 Difference]: With dead ends: 874 [2020-12-22 12:54:21,611 INFO L226 Difference]: Without dead ends: 571 [2020-12-22 12:54:21,616 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 12:54:21,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-12-22 12:54:21,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 559. [2020-12-22 12:54:21,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-12-22 12:54:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 839 transitions. [2020-12-22 12:54:21,682 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 839 transitions. Word has length 15 [2020-12-22 12:54:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:21,683 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 839 transitions. [2020-12-22 12:54:21,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:54:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 839 transitions. [2020-12-22 12:54:21,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 12:54:21,686 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:21,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:54:21,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 12:54:21,689 INFO L429 AbstractCegarLoop]: === Iteration 3 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:21,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:21,691 INFO L82 PathProgramCache]: Analyzing trace with hash -724212375, now seen corresponding path program 1 times [2020-12-22 12:54:21,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:21,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691413195] [2020-12-22 12:54:21,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:21,959 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 12:54:21,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691413195] [2020-12-22 12:54:21,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:21,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:54:21,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536221616] [2020-12-22 12:54:21,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:54:21,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:21,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:54:21,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:54:21,974 INFO L87 Difference]: Start difference. First operand 559 states and 839 transitions. Second operand 3 states. [2020-12-22 12:54:22,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:22,082 INFO L93 Difference]: Finished difference Result 589 states and 867 transitions. [2020-12-22 12:54:22,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:54:22,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 12:54:22,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:22,087 INFO L225 Difference]: With dead ends: 589 [2020-12-22 12:54:22,087 INFO L226 Difference]: Without dead ends: 574 [2020-12-22 12:54:22,089 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 12:54:22,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-12-22 12:54:22,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 559. [2020-12-22 12:54:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-12-22 12:54:22,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 838 transitions. [2020-12-22 12:54:22,113 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 838 transitions. Word has length 17 [2020-12-22 12:54:22,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:22,113 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 838 transitions. [2020-12-22 12:54:22,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:54:22,114 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 838 transitions. [2020-12-22 12:54:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 12:54:22,119 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:22,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:54:22,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 12:54:22,120 INFO L429 AbstractCegarLoop]: === Iteration 4 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:22,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:22,121 INFO L82 PathProgramCache]: Analyzing trace with hash -724152793, now seen corresponding path program 1 times [2020-12-22 12:54:22,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:22,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304285435] [2020-12-22 12:54:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:22,370 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 12:54:22,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304285435] [2020-12-22 12:54:22,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:22,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:54:22,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946052286] [2020-12-22 12:54:22,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:54:22,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:22,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:54:22,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:54:22,373 INFO L87 Difference]: Start difference. First operand 559 states and 838 transitions. Second operand 3 states. [2020-12-22 12:54:24,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:24,476 INFO L93 Difference]: Finished difference Result 559 states and 838 transitions. [2020-12-22 12:54:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:54:24,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 12:54:24,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:24,481 INFO L225 Difference]: With dead ends: 559 [2020-12-22 12:54:24,481 INFO L226 Difference]: Without dead ends: 557 [2020-12-22 12:54:24,482 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 12:54:24,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-12-22 12:54:24,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2020-12-22 12:54:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-12-22 12:54:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 836 transitions. [2020-12-22 12:54:24,513 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 836 transitions. Word has length 17 [2020-12-22 12:54:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:24,514 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 836 transitions. [2020-12-22 12:54:24,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:54:24,514 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 836 transitions. [2020-12-22 12:54:24,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 12:54:24,517 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:24,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:54:24,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 12:54:24,517 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:24,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:24,518 INFO L82 PathProgramCache]: Analyzing trace with hash -973900918, now seen corresponding path program 1 times [2020-12-22 12:54:24,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:24,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105811495] [2020-12-22 12:54:24,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:24,796 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 12:54:24,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105811495] [2020-12-22 12:54:24,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:24,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:54:24,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967082579] [2020-12-22 12:54:24,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:54:24,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:24,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:54:24,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:54:24,800 INFO L87 Difference]: Start difference. First operand 557 states and 836 transitions. Second operand 3 states. [2020-12-22 12:54:26,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:26,941 INFO L93 Difference]: Finished difference Result 557 states and 836 transitions. [2020-12-22 12:54:26,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:54:26,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-22 12:54:26,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:26,945 INFO L225 Difference]: With dead ends: 557 [2020-12-22 12:54:26,946 INFO L226 Difference]: Without dead ends: 553 [2020-12-22 12:54:26,946 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 12:54:26,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-12-22 12:54:26,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 553. [2020-12-22 12:54:26,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-12-22 12:54:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 831 transitions. [2020-12-22 12:54:26,968 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 831 transitions. Word has length 18 [2020-12-22 12:54:26,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:26,968 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 831 transitions. [2020-12-22 12:54:26,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:54:26,969 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 831 transitions. [2020-12-22 12:54:26,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 12:54:26,969 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:26,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:54:26,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 12:54:26,970 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:26,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:26,971 INFO L82 PathProgramCache]: Analyzing trace with hash -126158191, now seen corresponding path program 1 times [2020-12-22 12:54:26,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:26,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089355319] [2020-12-22 12:54:26,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:27,199 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 12:54:27,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089355319] [2020-12-22 12:54:27,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:27,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:54:27,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523155417] [2020-12-22 12:54:27,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:54:27,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:27,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:54:27,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:54:27,203 INFO L87 Difference]: Start difference. First operand 553 states and 831 transitions. Second operand 3 states. [2020-12-22 12:54:29,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:29,322 INFO L93 Difference]: Finished difference Result 553 states and 831 transitions. [2020-12-22 12:54:29,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:54:29,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 12:54:29,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:29,327 INFO L225 Difference]: With dead ends: 553 [2020-12-22 12:54:29,327 INFO L226 Difference]: Without dead ends: 551 [2020-12-22 12:54:29,328 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 12:54:29,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-12-22 12:54:29,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2020-12-22 12:54:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2020-12-22 12:54:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 829 transitions. [2020-12-22 12:54:29,357 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 829 transitions. Word has length 19 [2020-12-22 12:54:29,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:29,360 INFO L481 AbstractCegarLoop]: Abstraction has 551 states and 829 transitions. [2020-12-22 12:54:29,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:54:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 829 transitions. [2020-12-22 12:54:29,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 12:54:29,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:29,361 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] [2020-12-22 12:54:29,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 12:54:29,361 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:29,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:29,363 INFO L82 PathProgramCache]: Analyzing trace with hash 384062580, now seen corresponding path program 1 times [2020-12-22 12:54:29,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:29,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210198997] [2020-12-22 12:54:29,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:29,582 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 12:54:29,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210198997] [2020-12-22 12:54:29,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:29,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:54:29,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558329847] [2020-12-22 12:54:29,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:54:29,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:29,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:54:29,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:54:29,585 INFO L87 Difference]: Start difference. First operand 551 states and 829 transitions. Second operand 3 states. [2020-12-22 12:54:31,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:31,773 INFO L93 Difference]: Finished difference Result 826 states and 1270 transitions. [2020-12-22 12:54:31,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:54:31,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 12:54:31,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:31,779 INFO L225 Difference]: With dead ends: 826 [2020-12-22 12:54:31,779 INFO L226 Difference]: Without dead ends: 820 [2020-12-22 12:54:31,780 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 12:54:31,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-12-22 12:54:31,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 820. [2020-12-22 12:54:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2020-12-22 12:54:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1262 transitions. [2020-12-22 12:54:31,811 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1262 transitions. Word has length 20 [2020-12-22 12:54:31,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:31,812 INFO L481 AbstractCegarLoop]: Abstraction has 820 states and 1262 transitions. [2020-12-22 12:54:31,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:54:31,812 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1262 transitions. [2020-12-22 12:54:31,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 12:54:31,812 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:31,813 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] [2020-12-22 12:54:31,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 12:54:31,813 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:31,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:31,814 INFO L82 PathProgramCache]: Analyzing trace with hash -978962693, now seen corresponding path program 1 times [2020-12-22 12:54:31,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:31,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921059755] [2020-12-22 12:54:31,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:32,057 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 12:54:32,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921059755] [2020-12-22 12:54:32,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:32,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:54:32,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16951700] [2020-12-22 12:54:32,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:54:32,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:32,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:54:32,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:54:32,060 INFO L87 Difference]: Start difference. First operand 820 states and 1262 transitions. Second operand 3 states. [2020-12-22 12:54:34,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:34,140 INFO L93 Difference]: Finished difference Result 820 states and 1262 transitions. [2020-12-22 12:54:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:54:34,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-12-22 12:54:34,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:34,209 INFO L225 Difference]: With dead ends: 820 [2020-12-22 12:54:34,209 INFO L226 Difference]: Without dead ends: 809 [2020-12-22 12:54:34,210 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 12:54:34,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2020-12-22 12:54:34,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809. [2020-12-22 12:54:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2020-12-22 12:54:34,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1247 transitions. [2020-12-22 12:54:34,242 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1247 transitions. Word has length 21 [2020-12-22 12:54:34,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:34,242 INFO L481 AbstractCegarLoop]: Abstraction has 809 states and 1247 transitions. [2020-12-22 12:54:34,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:54:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1247 transitions. [2020-12-22 12:54:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 12:54:34,244 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:34,244 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:54:34,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 12:54:34,244 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:34,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:34,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1647991296, now seen corresponding path program 1 times [2020-12-22 12:54:34,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:34,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777817058] [2020-12-22 12:54:34,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:34,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 12:54:34,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777817058] [2020-12-22 12:54:34,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:34,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:54:34,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758664399] [2020-12-22 12:54:34,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:54:34,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:34,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:54:34,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:54:34,446 INFO L87 Difference]: Start difference. First operand 809 states and 1247 transitions. Second operand 3 states. [2020-12-22 12:54:36,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:36,612 INFO L93 Difference]: Finished difference Result 1611 states and 2489 transitions. [2020-12-22 12:54:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:54:36,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-12-22 12:54:36,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:36,618 INFO L225 Difference]: With dead ends: 1611 [2020-12-22 12:54:36,618 INFO L226 Difference]: Without dead ends: 805 [2020-12-22 12:54:36,620 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 12:54:36,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-12-22 12:54:36,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 803. [2020-12-22 12:54:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-12-22 12:54:36,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1235 transitions. [2020-12-22 12:54:36,652 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1235 transitions. Word has length 35 [2020-12-22 12:54:36,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:36,653 INFO L481 AbstractCegarLoop]: Abstraction has 803 states and 1235 transitions. [2020-12-22 12:54:36,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:54:36,653 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1235 transitions. [2020-12-22 12:54:36,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 12:54:36,654 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:36,655 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:54:36,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 12:54:36,655 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:36,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:36,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1190540448, now seen corresponding path program 1 times [2020-12-22 12:54:36,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:36,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340145130] [2020-12-22 12:54:36,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:36,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 12:54:36,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340145130] [2020-12-22 12:54:36,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:36,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:54:36,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410961996] [2020-12-22 12:54:36,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:54:36,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:36,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:54:36,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:54:36,840 INFO L87 Difference]: Start difference. First operand 803 states and 1235 transitions. Second operand 3 states. [2020-12-22 12:54:39,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:39,006 INFO L93 Difference]: Finished difference Result 803 states and 1235 transitions. [2020-12-22 12:54:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:54:39,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-22 12:54:39,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:39,012 INFO L225 Difference]: With dead ends: 803 [2020-12-22 12:54:39,012 INFO L226 Difference]: Without dead ends: 801 [2020-12-22 12:54:39,013 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 12:54:39,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2020-12-22 12:54:39,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2020-12-22 12:54:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2020-12-22 12:54:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1232 transitions. [2020-12-22 12:54:39,045 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1232 transitions. Word has length 37 [2020-12-22 12:54:39,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:39,045 INFO L481 AbstractCegarLoop]: Abstraction has 801 states and 1232 transitions. [2020-12-22 12:54:39,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:54:39,045 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1232 transitions. [2020-12-22 12:54:39,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-22 12:54:39,047 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:39,047 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:54:39,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 12:54:39,048 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:39,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:39,048 INFO L82 PathProgramCache]: Analyzing trace with hash 583254703, now seen corresponding path program 1 times [2020-12-22 12:54:39,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:39,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026203160] [2020-12-22 12:54:39,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:54:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-22 12:54:41,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026203160] [2020-12-22 12:54:41,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:54:41,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 12:54:41,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113467221] [2020-12-22 12:54:41,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 12:54:41,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:54:41,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 12:54:41,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 12:54:41,962 INFO L87 Difference]: Start difference. First operand 801 states and 1232 transitions. Second operand 4 states. [2020-12-22 12:54:44,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:54:44,228 INFO L93 Difference]: Finished difference Result 1307 states and 2000 transitions. [2020-12-22 12:54:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 12:54:44,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-12-22 12:54:44,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:54:44,232 INFO L225 Difference]: With dead ends: 1307 [2020-12-22 12:54:44,232 INFO L226 Difference]: Without dead ends: 501 [2020-12-22 12:54:44,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 12:54:44,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-12-22 12:54:44,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 466. [2020-12-22 12:54:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-12-22 12:54:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 716 transitions. [2020-12-22 12:54:44,253 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 716 transitions. Word has length 43 [2020-12-22 12:54:44,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:54:44,253 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 716 transitions. [2020-12-22 12:54:44,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 12:54:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 716 transitions. [2020-12-22 12:54:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-22 12:54:44,255 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:54:44,255 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:54:44,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 12:54:44,255 INFO L429 AbstractCegarLoop]: === Iteration 12 === [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.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:54:44,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:54:44,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1739223835, now seen corresponding path program 1 times [2020-12-22 12:54:44,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:54:44,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246785783] [2020-12-22 12:54:44,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:54:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 12:54:46,741 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 12:54:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 12:54:48,663 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 12:54:48,995 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 12:54:48,995 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 12:54:48,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 12:54:49,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 12:54:49 BoogieIcfgContainer [2020-12-22 12:54:49,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 12:54:49,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 12:54:49,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 12:54:49,806 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 12:54:49,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:54:17" (3/4) ... [2020-12-22 12:54:49,811 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-22 12:54:49,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 12:54:49,820 INFO L168 Benchmark]: Toolchain (without parser) took 45556.19 ms. Allocated memory was 151.0 MB in the beginning and 582.0 MB in the end (delta: 431.0 MB). Free memory was 118.1 MB in the beginning and 277.7 MB in the end (delta: -159.6 MB). Peak memory consumption was 272.3 MB. Max. memory is 8.0 GB. [2020-12-22 12:54:49,821 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 124.7 MB in the end (delta: 77.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 12:54:49,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2987.65 ms. Allocated memory was 151.0 MB in the beginning and 207.6 MB in the end (delta: 56.6 MB). Free memory was 117.9 MB in the beginning and 112.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 101.3 MB. Max. memory is 8.0 GB. [2020-12-22 12:54:49,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 266.43 ms. Allocated memory is still 207.6 MB. Free memory was 112.2 MB in the beginning and 157.8 MB in the end (delta: -45.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 12:54:49,826 INFO L168 Benchmark]: Boogie Preprocessor took 188.12 ms. Allocated memory is still 207.6 MB. Free memory was 157.8 MB in the beginning and 147.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 12:54:49,830 INFO L168 Benchmark]: RCFGBuilder took 10011.69 ms. Allocated memory was 207.6 MB in the beginning and 396.4 MB in the end (delta: 188.7 MB). Free memory was 147.8 MB in the beginning and 173.7 MB in the end (delta: -25.8 MB). Peak memory consumption was 198.9 MB. Max. memory is 8.0 GB. [2020-12-22 12:54:49,831 INFO L168 Benchmark]: TraceAbstraction took 32084.61 ms. Allocated memory was 396.4 MB in the beginning and 582.0 MB in the end (delta: 185.6 MB). Free memory was 173.2 MB in the beginning and 278.3 MB in the end (delta: -105.1 MB). Peak memory consumption was 182.2 MB. Max. memory is 8.0 GB. [2020-12-22 12:54:49,832 INFO L168 Benchmark]: Witness Printer took 5.11 ms. Allocated memory is still 582.0 MB. Free memory was 278.3 MB in the beginning and 277.7 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 12:54:49,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 124.7 MB in the end (delta: 77.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2987.65 ms. Allocated memory was 151.0 MB in the beginning and 207.6 MB in the end (delta: 56.6 MB). Free memory was 117.9 MB in the beginning and 112.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 101.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 266.43 ms. Allocated memory is still 207.6 MB. Free memory was 112.2 MB in the beginning and 157.8 MB in the end (delta: -45.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 188.12 ms. Allocated memory is still 207.6 MB. Free memory was 157.8 MB in the beginning and 147.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 10011.69 ms. Allocated memory was 207.6 MB in the beginning and 396.4 MB in the end (delta: 188.7 MB). Free memory was 147.8 MB in the beginning and 173.7 MB in the end (delta: -25.8 MB). Peak memory consumption was 198.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32084.61 ms. Allocated memory was 396.4 MB in the beginning and 582.0 MB in the end (delta: 185.6 MB). Free memory was 173.2 MB in the beginning and 278.3 MB in the end (delta: -105.1 MB). Peak memory consumption was 182.2 MB. Max. memory is 8.0 GB. * Witness Printer took 5.11 ms. Allocated memory is still 582.0 MB. Free memory was 278.3 MB in the beginning and 277.7 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3473. Possible FailurePath: [L3298] int ldv_state_variable_3 ; [L3299] int ldv_state_variable_1 ; [L3300] int ldv_state_variable_2 ; [L3301] int ref_cnt ; [L3302] int ldv_state_variable_0 ; [L3412] int rc_core_debug ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L4884] char *ldvarg3 ; [L4885] struct device *dev_attr_protocols_group0 ; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4887] char *ldvarg5 ; [L4888] struct device *ldvarg1 ; [L4889] int ldv_retval_0 ; [L4890] size_t ldvarg4 ; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L4894] struct device *rc_dev_type_group0 ; [L4895] umode_t *ldvarg2 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L5303] static u64 available_protocols ; [L5304] static struct work_struct wq_load ; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L6245] static int ldv_mutex_lock ; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L6449] static int ldv_mutex_mutex_of_device ; VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_ir_raw_handler_lock=0, ldv_mutex_lock=0, ldv_mutex_lock_of_rc_dev=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:0}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L6590] return __VERIFIER_nondet_int(); [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4867] COND FALSE !(rc != 0) [L3236] head->prev [L3539] return (0); VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4873] return (0); [L4873] return (0); VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4273] EXPR dev->driver_type VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] [L6023] reach_error() VAL [available_protocols=0, dev_attr_protocols={208:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:0}, empty={86:0}, empty_map={279:0}, ir_input_class={257:0}, ir_raw_client_list={220:0}, ir_raw_handler_list={240:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:-3}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:-2}, proto_names={49:0}, rc_core_debug=0, rc_dev_attr_groups={273:0}, rc_dev_attr_grp={189:0}, rc_dev_attrs={262:0}, rc_dev_type={207:0}, rc_dev_type_group0={0:0}, rc_map_list={283:0}, rc_map_lock={172:0}, ref_cnt=0, wq_load={67:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 31.2s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 20.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4046 SDtfs, 2503 SDslu, 2080 SDs, 0 SdLazy, 69 SolverSat, 23 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 19.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=820occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 83 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 11155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 19/19 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...