/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/ddv-machzwd/ddv_machzwd_outb.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 03:53:28,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 03:53:28,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 03:53:28,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 03:53:28,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 03:53:28,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 03:53:28,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 03:53:28,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 03:53:28,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 03:53:28,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 03:53:28,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 03:53:28,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 03:53:28,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 03:53:28,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 03:53:28,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 03:53:28,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 03:53:28,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 03:53:28,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 03:53:28,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 03:53:28,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 03:53:28,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 03:53:28,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 03:53:28,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 03:53:28,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 03:53:28,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 03:53:28,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 03:53:28,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 03:53:28,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 03:53:28,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 03:53:28,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 03:53:28,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 03:53:28,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 03:53:28,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 03:53:28,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 03:53:28,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 03:53:28,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 03:53:28,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 03:53:28,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 03:53:28,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 03:53:28,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 03:53:28,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 03:53:28,622 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 03:53:28,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 03:53:28,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 03:53:28,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 03:53:28,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 03:53:28,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 03:53:28,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 03:53:28,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 03:53:28,624 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 03:53:28,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 03:53:28,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 03:53:28,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 03:53:28,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 03:53:28,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:53:28,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 03:53:28,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 03:53:28,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 03:53:28,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 03:53:28,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 03:53:28,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 03:53:28,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 03:53:28,627 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 03:53:29,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 03:53:29,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 03:53:29,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 03:53:29,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 03:53:29,067 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 03:53:29,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2020-12-22 03:53:29,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd4c4fa2/f0cba2ff57f84b45b591c22c2f09133d/FLAGac3c221d3 [2020-12-22 03:53:30,111 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 03:53:30,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2020-12-22 03:53:30,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd4c4fa2/f0cba2ff57f84b45b591c22c2f09133d/FLAGac3c221d3 [2020-12-22 03:53:30,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd4c4fa2/f0cba2ff57f84b45b591c22c2f09133d [2020-12-22 03:53:30,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 03:53:30,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 03:53:30,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 03:53:30,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 03:53:30,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 03:53:30,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:53:30" (1/1) ... [2020-12-22 03:53:30,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de6294c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:30, skipping insertion in model container [2020-12-22 03:53:30,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:53:30" (1/1) ... [2020-12-22 03:53:30,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 03:53:30,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 03:53:30,525 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/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2020-12-22 03:53:31,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:53:31,776 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 03:53:31,792 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/ddv-machzwd/ddv_machzwd_outb.i[453,466] [2020-12-22 03:53:32,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:53:32,787 INFO L208 MainTranslator]: Completed translation [2020-12-22 03:53:32,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32 WrapperNode [2020-12-22 03:53:32,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 03:53:32,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 03:53:32,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 03:53:32,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 03:53:32,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (1/1) ... [2020-12-22 03:53:32,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (1/1) ... [2020-12-22 03:53:33,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 03:53:33,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 03:53:33,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 03:53:33,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 03:53:33,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (1/1) ... [2020-12-22 03:53:33,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (1/1) ... [2020-12-22 03:53:33,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (1/1) ... [2020-12-22 03:53:33,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (1/1) ... [2020-12-22 03:53:33,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (1/1) ... [2020-12-22 03:53:33,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (1/1) ... [2020-12-22 03:53:33,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (1/1) ... [2020-12-22 03:53:33,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 03:53:33,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 03:53:33,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 03:53:33,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 03:53:33,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (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 03:53:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 03:53:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 03:53:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 03:53:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 03:53:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 03:53:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 03:53:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 03:53:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 03:53:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 03:53:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 03:53:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 03:53:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 03:53:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 03:53:38,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 03:53:38,605 INFO L299 CfgBuilder]: Removed 575 assume(true) statements. [2020-12-22 03:53:38,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:38 BoogieIcfgContainer [2020-12-22 03:53:38,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 03:53:38,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 03:53:38,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 03:53:38,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 03:53:38,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:53:30" (1/3) ... [2020-12-22 03:53:38,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178a768b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:53:38, skipping insertion in model container [2020-12-22 03:53:38,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:32" (2/3) ... [2020-12-22 03:53:38,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178a768b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:53:38, skipping insertion in model container [2020-12-22 03:53:38,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:38" (3/3) ... [2020-12-22 03:53:38,616 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2020-12-22 03:53:38,623 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 03:53:38,629 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2020-12-22 03:53:38,653 INFO L253 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2020-12-22 03:53:38,689 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 03:53:38,689 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 03:53:38,689 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 03:53:38,690 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 03:53:38,690 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 03:53:38,690 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 03:53:38,690 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 03:53:38,690 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 03:53:38,722 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states. [2020-12-22 03:53:38,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 03:53:38,728 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:53:38,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:53:38,730 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:53:38,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:53:38,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2020-12-22 03:53:38,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:53:38,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40538122] [2020-12-22 03:53:38,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:53:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:53:39,306 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 03:53:39,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40538122] [2020-12-22 03:53:39,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:53:39,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 03:53:39,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143132815] [2020-12-22 03:53:39,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 03:53:39,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:53:39,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 03:53:39,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 03:53:39,352 INFO L87 Difference]: Start difference. First operand 504 states. Second operand 2 states. [2020-12-22 03:53:39,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:53:39,455 INFO L93 Difference]: Finished difference Result 1003 states and 1293 transitions. [2020-12-22 03:53:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 03:53:39,457 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-22 03:53:39,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:53:39,477 INFO L225 Difference]: With dead ends: 1003 [2020-12-22 03:53:39,477 INFO L226 Difference]: Without dead ends: 491 [2020-12-22 03:53:39,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 03:53:39,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-12-22 03:53:39,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2020-12-22 03:53:39,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-12-22 03:53:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 586 transitions. [2020-12-22 03:53:39,572 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 586 transitions. Word has length 11 [2020-12-22 03:53:39,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:53:39,572 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 586 transitions. [2020-12-22 03:53:39,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 03:53:39,573 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 586 transitions. [2020-12-22 03:53:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-22 03:53:39,574 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:53:39,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:53:39,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 03:53:39,575 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:53:39,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:53:39,578 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2020-12-22 03:53:39,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:53:39,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883944600] [2020-12-22 03:53:39,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:53:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:53:39,782 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 03:53:39,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883944600] [2020-12-22 03:53:39,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 03:53:39,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 03:53:39,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627161535] [2020-12-22 03:53:39,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 03:53:39,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:53:39,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 03:53:39,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 03:53:39,787 INFO L87 Difference]: Start difference. First operand 491 states and 586 transitions. Second operand 3 states. [2020-12-22 03:53:39,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:53:39,872 INFO L93 Difference]: Finished difference Result 981 states and 1172 transitions. [2020-12-22 03:53:39,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 03:53:39,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-12-22 03:53:39,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:53:39,883 INFO L225 Difference]: With dead ends: 981 [2020-12-22 03:53:39,884 INFO L226 Difference]: Without dead ends: 495 [2020-12-22 03:53:39,886 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 03:53:39,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-12-22 03:53:39,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 493. [2020-12-22 03:53:39,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2020-12-22 03:53:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 588 transitions. [2020-12-22 03:53:39,924 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 588 transitions. Word has length 11 [2020-12-22 03:53:39,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:53:39,925 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 588 transitions. [2020-12-22 03:53:39,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 03:53:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 588 transitions. [2020-12-22 03:53:39,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 03:53:39,927 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:53:39,927 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:53:39,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 03:53:39,928 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:53:39,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:53:39,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2020-12-22 03:53:39,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:53:39,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208132223] [2020-12-22 03:53:39,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:53:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:53:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:40,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208132223] [2020-12-22 03:53:40,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989033208] [2020-12-22 03:53:40,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:53:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:53:40,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 03:53:40,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 03:53:40,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:40,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 03:53:40,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-22 03:53:40,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525043864] [2020-12-22 03:53:40,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 03:53:40,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:53:40,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 03:53:40,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 03:53:40,659 INFO L87 Difference]: Start difference. First operand 493 states and 588 transitions. Second operand 5 states. [2020-12-22 03:53:40,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:53:40,728 INFO L93 Difference]: Finished difference Result 984 states and 1174 transitions. [2020-12-22 03:53:40,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 03:53:40,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-12-22 03:53:40,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:53:40,732 INFO L225 Difference]: With dead ends: 984 [2020-12-22 03:53:40,732 INFO L226 Difference]: Without dead ends: 497 [2020-12-22 03:53:40,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 03:53:40,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-12-22 03:53:40,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 495. [2020-12-22 03:53:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-12-22 03:53:40,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 590 transitions. [2020-12-22 03:53:40,752 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 590 transitions. Word has length 15 [2020-12-22 03:53:40,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:53:40,753 INFO L481 AbstractCegarLoop]: Abstraction has 495 states and 590 transitions. [2020-12-22 03:53:40,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 03:53:40,753 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 590 transitions. [2020-12-22 03:53:40,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 03:53:40,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:53:40,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:53:40,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-22 03:53:40,971 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:53:40,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:53:40,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 2 times [2020-12-22 03:53:40,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:53:40,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062803923] [2020-12-22 03:53:40,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:53:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:53:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:41,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062803923] [2020-12-22 03:53:41,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388035835] [2020-12-22 03:53:41,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:53:43,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 03:53:43,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 03:53:43,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-22 03:53:43,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 03:53:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:43,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 03:53:43,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-12-22 03:53:43,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132954871] [2020-12-22 03:53:43,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 03:53:43,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:53:43,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 03:53:43,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-22 03:53:43,790 INFO L87 Difference]: Start difference. First operand 495 states and 590 transitions. Second operand 6 states. [2020-12-22 03:53:43,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:53:43,864 INFO L93 Difference]: Finished difference Result 986 states and 1176 transitions. [2020-12-22 03:53:43,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 03:53:43,865 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-12-22 03:53:43,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:53:43,868 INFO L225 Difference]: With dead ends: 986 [2020-12-22 03:53:43,868 INFO L226 Difference]: Without dead ends: 499 [2020-12-22 03:53:43,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-22 03:53:43,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-12-22 03:53:43,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 497. [2020-12-22 03:53:43,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2020-12-22 03:53:43,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 592 transitions. [2020-12-22 03:53:43,884 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 592 transitions. Word has length 17 [2020-12-22 03:53:43,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:53:43,885 INFO L481 AbstractCegarLoop]: Abstraction has 497 states and 592 transitions. [2020-12-22 03:53:43,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 03:53:43,885 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 592 transitions. [2020-12-22 03:53:43,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 03:53:43,886 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:53:43,886 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:53:44,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:53:44,101 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:53:44,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:53:44,102 INFO L82 PathProgramCache]: Analyzing trace with hash -886365987, now seen corresponding path program 3 times [2020-12-22 03:53:44,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:53:44,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18892522] [2020-12-22 03:53:44,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:53:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:53:44,250 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:44,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18892522] [2020-12-22 03:53:44,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121254150] [2020-12-22 03:53:44,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:53:51,189 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-12-22 03:53:51,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 03:53:51,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 03:53:51,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 03:53:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:51,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 03:53:51,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-12-22 03:53:51,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339184760] [2020-12-22 03:53:51,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 03:53:51,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:53:51,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 03:53:51,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 03:53:51,257 INFO L87 Difference]: Start difference. First operand 497 states and 592 transitions. Second operand 7 states. [2020-12-22 03:53:51,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:53:51,347 INFO L93 Difference]: Finished difference Result 988 states and 1178 transitions. [2020-12-22 03:53:51,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 03:53:51,347 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 03:53:51,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:53:51,350 INFO L225 Difference]: With dead ends: 988 [2020-12-22 03:53:51,350 INFO L226 Difference]: Without dead ends: 501 [2020-12-22 03:53:51,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 03:53:51,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-12-22 03:53:51,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 499. [2020-12-22 03:53:51,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-12-22 03:53:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 594 transitions. [2020-12-22 03:53:51,369 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 594 transitions. Word has length 19 [2020-12-22 03:53:51,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:53:51,369 INFO L481 AbstractCegarLoop]: Abstraction has 499 states and 594 transitions. [2020-12-22 03:53:51,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 03:53:51,369 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 594 transitions. [2020-12-22 03:53:51,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 03:53:51,370 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:53:51,370 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:53:51,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:53:51,585 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:53:51,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:53:51,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 4 times [2020-12-22 03:53:51,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:53:51,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423202393] [2020-12-22 03:53:51,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:53:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:53:51,735 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:51,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423202393] [2020-12-22 03:53:51,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407579699] [2020-12-22 03:53:51,736 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:53:51,971 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-22 03:53:51,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 03:53:51,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 03:53:51,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 03:53:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:52,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 03:53:52,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-12-22 03:53:52,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878659894] [2020-12-22 03:53:52,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 03:53:52,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:53:52,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 03:53:52,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-22 03:53:52,021 INFO L87 Difference]: Start difference. First operand 499 states and 594 transitions. Second operand 8 states. [2020-12-22 03:53:52,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:53:52,105 INFO L93 Difference]: Finished difference Result 990 states and 1180 transitions. [2020-12-22 03:53:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 03:53:52,106 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-12-22 03:53:52,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:53:52,109 INFO L225 Difference]: With dead ends: 990 [2020-12-22 03:53:52,109 INFO L226 Difference]: Without dead ends: 503 [2020-12-22 03:53:52,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-22 03:53:52,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-12-22 03:53:52,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 501. [2020-12-22 03:53:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2020-12-22 03:53:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 596 transitions. [2020-12-22 03:53:52,125 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 596 transitions. Word has length 21 [2020-12-22 03:53:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:53:52,125 INFO L481 AbstractCegarLoop]: Abstraction has 501 states and 596 transitions. [2020-12-22 03:53:52,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 03:53:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 596 transitions. [2020-12-22 03:53:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 03:53:52,126 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:53:52,126 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:53:52,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:53:52,341 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:53:52,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:53:52,343 INFO L82 PathProgramCache]: Analyzing trace with hash 238488289, now seen corresponding path program 5 times [2020-12-22 03:53:52,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:53:52,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011653777] [2020-12-22 03:53:52,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:53:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:53:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:52,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011653777] [2020-12-22 03:53:52,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425215804] [2020-12-22 03:53:52,494 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:53:53,000 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2020-12-22 03:53:53,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 03:53:53,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-22 03:53:53,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 03:53:53,065 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:53,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 03:53:53,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2020-12-22 03:53:53,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787214566] [2020-12-22 03:53:53,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 03:53:53,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:53:53,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 03:53:53,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-12-22 03:53:53,067 INFO L87 Difference]: Start difference. First operand 501 states and 596 transitions. Second operand 9 states. [2020-12-22 03:53:53,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:53:53,218 INFO L93 Difference]: Finished difference Result 992 states and 1182 transitions. [2020-12-22 03:53:53,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 03:53:53,219 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-12-22 03:53:53,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:53:53,222 INFO L225 Difference]: With dead ends: 992 [2020-12-22 03:53:53,223 INFO L226 Difference]: Without dead ends: 505 [2020-12-22 03:53:53,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-12-22 03:53:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-12-22 03:53:53,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 503. [2020-12-22 03:53:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-12-22 03:53:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 598 transitions. [2020-12-22 03:53:53,241 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 598 transitions. Word has length 23 [2020-12-22 03:53:53,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:53:53,241 INFO L481 AbstractCegarLoop]: Abstraction has 503 states and 598 transitions. [2020-12-22 03:53:53,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 03:53:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 598 transitions. [2020-12-22 03:53:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 03:53:53,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:53:53,242 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:53:53,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-22 03:53:53,458 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:53:53,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:53:53,458 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 6 times [2020-12-22 03:53:53,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:53:53,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125912033] [2020-12-22 03:53:53,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:53:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:53:53,625 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:53:53,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125912033] [2020-12-22 03:53:53,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708150802] [2020-12-22 03:53:53,626 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:54:10,879 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2020-12-22 03:54:10,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 03:54:10,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 03:54:10,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 03:54:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:54:11,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 03:54:11,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-12-22 03:54:11,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72876794] [2020-12-22 03:54:11,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 03:54:11,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:54:11,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 03:54:11,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-12-22 03:54:11,031 INFO L87 Difference]: Start difference. First operand 503 states and 598 transitions. Second operand 10 states. [2020-12-22 03:54:11,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:54:11,203 INFO L93 Difference]: Finished difference Result 994 states and 1184 transitions. [2020-12-22 03:54:11,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 03:54:11,210 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2020-12-22 03:54:11,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:54:11,213 INFO L225 Difference]: With dead ends: 994 [2020-12-22 03:54:11,214 INFO L226 Difference]: Without dead ends: 507 [2020-12-22 03:54:11,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-12-22 03:54:11,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-12-22 03:54:11,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 505. [2020-12-22 03:54:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2020-12-22 03:54:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 600 transitions. [2020-12-22 03:54:11,241 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 600 transitions. Word has length 25 [2020-12-22 03:54:11,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:54:11,241 INFO L481 AbstractCegarLoop]: Abstraction has 505 states and 600 transitions. [2020-12-22 03:54:11,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 03:54:11,242 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 600 transitions. [2020-12-22 03:54:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 03:54:11,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:54:11,243 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:54:11,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:54:11,458 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:54:11,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:54:11,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1250536731, now seen corresponding path program 7 times [2020-12-22 03:54:11,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:54:11,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644829561] [2020-12-22 03:54:11,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:54:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:54:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:54:11,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644829561] [2020-12-22 03:54:11,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931820949] [2020-12-22 03:54:11,689 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:54:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:54:12,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-22 03:54:12,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 03:54:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:54:12,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 03:54:12,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-12-22 03:54:12,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096839773] [2020-12-22 03:54:12,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 03:54:12,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:54:12,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 03:54:12,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-12-22 03:54:12,181 INFO L87 Difference]: Start difference. First operand 505 states and 600 transitions. Second operand 11 states. [2020-12-22 03:54:12,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:54:12,307 INFO L93 Difference]: Finished difference Result 996 states and 1186 transitions. [2020-12-22 03:54:12,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 03:54:12,307 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-12-22 03:54:12,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:54:12,311 INFO L225 Difference]: With dead ends: 996 [2020-12-22 03:54:12,311 INFO L226 Difference]: Without dead ends: 509 [2020-12-22 03:54:12,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-12-22 03:54:12,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-12-22 03:54:12,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 507. [2020-12-22 03:54:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-12-22 03:54:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 602 transitions. [2020-12-22 03:54:12,331 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 602 transitions. Word has length 27 [2020-12-22 03:54:12,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:54:12,332 INFO L481 AbstractCegarLoop]: Abstraction has 507 states and 602 transitions. [2020-12-22 03:54:12,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 03:54:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 602 transitions. [2020-12-22 03:54:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 03:54:12,333 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:54:12,333 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:54:12,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:54:12,535 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:54:12,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:54:12,535 INFO L82 PathProgramCache]: Analyzing trace with hash -929527257, now seen corresponding path program 8 times [2020-12-22 03:54:12,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:54:12,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086982591] [2020-12-22 03:54:12,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:54:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:54:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:54:12,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086982591] [2020-12-22 03:54:12,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611917006] [2020-12-22 03:54:12,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:54:15,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 03:54:15,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 03:54:15,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 03:54:15,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 03:54:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:54:15,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 03:54:15,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2020-12-22 03:54:15,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475031157] [2020-12-22 03:54:15,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-22 03:54:15,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:54:15,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-22 03:54:15,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-12-22 03:54:15,969 INFO L87 Difference]: Start difference. First operand 507 states and 602 transitions. Second operand 12 states. [2020-12-22 03:54:16,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:54:16,110 INFO L93 Difference]: Finished difference Result 998 states and 1188 transitions. [2020-12-22 03:54:16,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 03:54:16,111 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2020-12-22 03:54:16,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:54:16,114 INFO L225 Difference]: With dead ends: 998 [2020-12-22 03:54:16,114 INFO L226 Difference]: Without dead ends: 511 [2020-12-22 03:54:16,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-12-22 03:54:16,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-12-22 03:54:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 509. [2020-12-22 03:54:16,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2020-12-22 03:54:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 604 transitions. [2020-12-22 03:54:16,131 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 604 transitions. Word has length 29 [2020-12-22 03:54:16,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:54:16,131 INFO L481 AbstractCegarLoop]: Abstraction has 509 states and 604 transitions. [2020-12-22 03:54:16,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-22 03:54:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 604 transitions. [2020-12-22 03:54:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 03:54:16,133 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:54:16,133 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:54:16,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 03:54:16,347 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:54:16,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:54:16,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1677068055, now seen corresponding path program 9 times [2020-12-22 03:54:16,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:54:16,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329806361] [2020-12-22 03:54:16,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:54:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 03:54:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:54:16,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329806361] [2020-12-22 03:54:16,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593512813] [2020-12-22 03:54:16,617 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:54:50,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2020-12-22 03:54:50,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 03:54:50,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 03:54:50,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 03:54:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 03:54:50,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 03:54:50,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-12-22 03:54:50,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987444542] [2020-12-22 03:54:50,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-22 03:54:50,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 03:54:50,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-22 03:54:50,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-12-22 03:54:50,262 INFO L87 Difference]: Start difference. First operand 509 states and 604 transitions. Second operand 13 states. [2020-12-22 03:54:50,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 03:54:50,377 INFO L93 Difference]: Finished difference Result 999 states and 1189 transitions. [2020-12-22 03:54:50,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 03:54:50,378 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2020-12-22 03:54:50,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 03:54:50,380 INFO L225 Difference]: With dead ends: 999 [2020-12-22 03:54:50,380 INFO L226 Difference]: Without dead ends: 512 [2020-12-22 03:54:50,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-12-22 03:54:50,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-12-22 03:54:50,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 511. [2020-12-22 03:54:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-12-22 03:54:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 606 transitions. [2020-12-22 03:54:50,395 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 606 transitions. Word has length 31 [2020-12-22 03:54:50,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 03:54:50,395 INFO L481 AbstractCegarLoop]: Abstraction has 511 states and 606 transitions. [2020-12-22 03:54:50,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-22 03:54:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 606 transitions. [2020-12-22 03:54:50,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 03:54:50,396 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:54:50,397 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 03:54:50,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 03:54:50,611 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:54:50,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:54:50,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 10 times [2020-12-22 03:54:50,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:54:50,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736279881] [2020-12-22 03:54:50,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:54:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:54:51,583 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:54:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:54:52,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:54:52,186 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 03:54:52,186 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 03:54:52,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 03:54:52,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:54:52 BoogieIcfgContainer [2020-12-22 03:54:52,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 03:54:52,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 03:54:52,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 03:54:52,427 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 03:54:52,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:38" (3/4) ... [2020-12-22 03:54:52,433 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-22 03:54:52,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 03:54:52,441 INFO L168 Benchmark]: Toolchain (without parser) took 82250.31 ms. Allocated memory was 159.4 MB in the beginning and 378.5 MB in the end (delta: 219.2 MB). Free memory was 110.7 MB in the beginning and 242.9 MB in the end (delta: -132.2 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. [2020-12-22 03:54:52,444 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 159.4 MB. Free memory was 131.9 MB in the beginning and 131.8 MB in the end (delta: 106.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:54:52,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2601.87 ms. Allocated memory was 159.4 MB in the beginning and 199.2 MB in the end (delta: 39.8 MB). Free memory was 110.5 MB in the beginning and 95.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 8.0 GB. [2020-12-22 03:54:52,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 218.93 ms. Allocated memory is still 199.2 MB. Free memory was 95.5 MB in the beginning and 80.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-22 03:54:52,456 INFO L168 Benchmark]: Boogie Preprocessor took 253.88 ms. Allocated memory is still 199.2 MB. Free memory was 80.9 MB in the beginning and 154.3 MB in the end (delta: -73.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 03:54:52,457 INFO L168 Benchmark]: RCFGBuilder took 5344.28 ms. Allocated memory was 199.2 MB in the beginning and 291.5 MB in the end (delta: 92.3 MB). Free memory was 154.3 MB in the beginning and 228.8 MB in the end (delta: -74.5 MB). Peak memory consumption was 169.2 MB. Max. memory is 8.0 GB. [2020-12-22 03:54:52,462 INFO L168 Benchmark]: TraceAbstraction took 73816.64 ms. Allocated memory was 291.5 MB in the beginning and 378.5 MB in the end (delta: 87.0 MB). Free memory was 228.3 MB in the beginning and 243.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 206.6 MB. Max. memory is 8.0 GB. [2020-12-22 03:54:52,462 INFO L168 Benchmark]: Witness Printer took 6.53 ms. Allocated memory is still 378.5 MB. Free memory was 243.4 MB in the beginning and 242.9 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 03:54:52,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 159.4 MB. Free memory was 131.9 MB in the beginning and 131.8 MB in the end (delta: 106.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2601.87 ms. Allocated memory was 159.4 MB in the beginning and 199.2 MB in the end (delta: 39.8 MB). Free memory was 110.5 MB in the beginning and 95.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 218.93 ms. Allocated memory is still 199.2 MB. Free memory was 95.5 MB in the beginning and 80.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 253.88 ms. Allocated memory is still 199.2 MB. Free memory was 80.9 MB in the beginning and 154.3 MB in the end (delta: -73.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 5344.28 ms. Allocated memory was 199.2 MB in the beginning and 291.5 MB in the end (delta: 92.3 MB). Free memory was 154.3 MB in the beginning and 228.8 MB in the end (delta: -74.5 MB). Peak memory consumption was 169.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 73816.64 ms. Allocated memory was 291.5 MB in the beginning and 378.5 MB in the end (delta: 87.0 MB). Free memory was 228.3 MB in the beginning and 243.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 206.6 MB. Max. memory is 8.0 GB. * Witness Printer took 6.53 ms. Allocated memory is still 378.5 MB. Free memory was 243.4 MB in the beginning and 242.9 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: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 1484. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={0:0}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L2724] int err; [L2726] current_execution_context = 1 [L2664] int i; [L4153] lock->init = 1 [L4154] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND TRUE i < 10 [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2672] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2672] COND TRUE i < 1 [L2673] tasklet_registered[i].tasklet = ((void *)0) [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2672] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L1776] int ret; [L4480] return 0; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L12] COND TRUE !expression VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] [L12] reach_error() VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={54:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={57:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={107:0}, genhd_registered={102:0}, global_tty_driver={66:0}, jiffies=0, kernel_lock={65:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={87:0}, registered_pci_driver={7:0}, shared_workqueue={122:0}, tasklet_registered={81:0}, timer_registered={60:0}, zf_action=2048, zf_expect_close=0, zf_fops={68:0}, zf_info={50:0}, zf_is_open={90:0}, zf_lock={85:0}, zf_miscdev={101:0}, zf_notifier={93:0}, zf_port_lock={95:0}, zf_timer={63:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 504 locations, 39 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 73.5s, OverallIterations: 12, TraceHistogramMax: 10, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6411 SDtfs, 7005 SDslu, 8105 SDs, 0 SdLazy, 286 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=511occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 64.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 469 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 19084 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5237 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 18/588 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...