./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c36dfa3b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 07:06:04,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 07:06:04,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 07:06:04,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 07:06:04,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 07:06:04,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 07:06:04,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 07:06:04,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 07:06:04,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 07:06:04,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 07:06:04,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 07:06:04,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 07:06:04,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 07:06:04,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 07:06:04,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 07:06:04,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 07:06:04,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 07:06:04,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 07:06:04,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 07:06:04,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 07:06:04,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 07:06:04,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 07:06:04,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 07:06:04,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 07:06:04,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 07:06:04,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 07:06:04,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 07:06:04,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 07:06:04,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 07:06:04,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 07:06:04,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 07:06:04,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 07:06:04,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 07:06:04,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 07:06:04,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 07:06:04,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 07:06:04,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 07:06:04,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 07:06:04,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 07:06:04,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 07:06:04,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 07:06:04,230 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 07:06:04,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 07:06:04,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 07:06:04,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 07:06:04,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 07:06:04,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 07:06:04,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 07:06:04,250 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 07:06:04,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 07:06:04,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 07:06:04,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 07:06:04,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 07:06:04,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 07:06:04,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 07:06:04,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 07:06:04,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 07:06:04,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 07:06:04,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 07:06:04,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 07:06:04,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 07:06:04,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 07:06:04,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 07:06:04,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 07:06:04,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 07:06:04,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 07:06:04,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 07:06:04,253 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 07:06:04,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 07:06:04,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 07:06:04,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 07:06:04,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b [2021-11-04 07:06:04,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 07:06:04,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 07:06:04,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 07:06:04,444 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 07:06:04,446 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 07:06:04,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-11-04 07:06:04,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3d7994f3/9971f1d979aa4c8e80cedd34c006f90e/FLAGdbdf1a218 [2021-11-04 07:06:05,070 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 07:06:05,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-11-04 07:06:05,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3d7994f3/9971f1d979aa4c8e80cedd34c006f90e/FLAGdbdf1a218 [2021-11-04 07:06:05,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3d7994f3/9971f1d979aa4c8e80cedd34c006f90e [2021-11-04 07:06:05,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 07:06:05,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 07:06:05,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 07:06:05,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 07:06:05,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 07:06:05,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 07:06:05" (1/1) ... [2021-11-04 07:06:05,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58aa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:05, skipping insertion in model container [2021-11-04 07:06:05,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 07:06:05" (1/1) ... [2021-11-04 07:06:05,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 07:06:05,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 07:06:06,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-11-04 07:06:06,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 07:06:06,419 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 07:06:06,568 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-11-04 07:06:06,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 07:06:06,636 INFO L208 MainTranslator]: Completed translation [2021-11-04 07:06:06,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06 WrapperNode [2021-11-04 07:06:06,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 07:06:06,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 07:06:06,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 07:06:06,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 07:06:06,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (1/1) ... [2021-11-04 07:06:06,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (1/1) ... [2021-11-04 07:06:06,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 07:06:06,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 07:06:06,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 07:06:06,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 07:06:06,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (1/1) ... [2021-11-04 07:06:06,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (1/1) ... [2021-11-04 07:06:06,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (1/1) ... [2021-11-04 07:06:06,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (1/1) ... [2021-11-04 07:06:06,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (1/1) ... [2021-11-04 07:06:06,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (1/1) ... [2021-11-04 07:06:06,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (1/1) ... [2021-11-04 07:06:06,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 07:06:06,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 07:06:06,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 07:06:06,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 07:06:06,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (1/1) ... [2021-11-04 07:06:06,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 07:06:06,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 07:06:06,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-04 07:06:06,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-04 07:06:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 07:06:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 07:06:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 07:06:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 07:06:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 07:06:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 07:06:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 07:06:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 07:06:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 07:06:07,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 07:06:07,730 INFO L299 CfgBuilder]: Removed 141 assume(true) statements. [2021-11-04 07:06:07,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 07:06:07 BoogieIcfgContainer [2021-11-04 07:06:07,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 07:06:07,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 07:06:07,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 07:06:07,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 07:06:07,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 07:06:05" (1/3) ... [2021-11-04 07:06:07,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e360ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 07:06:07, skipping insertion in model container [2021-11-04 07:06:07,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:06:06" (2/3) ... [2021-11-04 07:06:07,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e360ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 07:06:07, skipping insertion in model container [2021-11-04 07:06:07,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 07:06:07" (3/3) ... [2021-11-04 07:06:07,739 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-11-04 07:06:07,743 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 07:06:07,743 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-04 07:06:07,786 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 07:06:07,792 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-04 07:06:07,793 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-04 07:06:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 150 states have (on average 1.5) internal successors, (225), 156 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-04 07:06:07,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:07,823 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:07,824 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:07,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:07,828 INFO L85 PathProgramCache]: Analyzing trace with hash 214162578, now seen corresponding path program 1 times [2021-11-04 07:06:07,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:07,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619688524] [2021-11-04 07:06:07,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:07,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 07:06:08,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:08,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619688524] [2021-11-04 07:06:08,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619688524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:08,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:08,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 07:06:08,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768465470] [2021-11-04 07:06:08,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:08,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-04 07:06:08,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:08,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-04 07:06:08,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 07:06:08,264 INFO L87 Difference]: Start difference. First operand has 157 states, 150 states have (on average 1.5) internal successors, (225), 156 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:08,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:08,589 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2021-11-04 07:06:08,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-04 07:06:08,591 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-04 07:06:08,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:08,602 INFO L225 Difference]: With dead ends: 310 [2021-11-04 07:06:08,602 INFO L226 Difference]: Without dead ends: 144 [2021-11-04 07:06:08,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.05ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 07:06:08,615 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 206.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.36ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 270.52ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:08,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 203 Unknown, 0 Unchecked, 2.36ms Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 270.52ms Time] [2021-11-04 07:06:08,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-11-04 07:06:08,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2021-11-04 07:06:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 138 states have (on average 1.3768115942028984) internal successors, (190), 143 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:08,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 190 transitions. [2021-11-04 07:06:08,656 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 190 transitions. Word has length 39 [2021-11-04 07:06:08,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:08,656 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 190 transitions. [2021-11-04 07:06:08,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 190 transitions. [2021-11-04 07:06:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-04 07:06:08,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:08,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:08,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 07:06:08,660 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:08,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:08,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1366579640, now seen corresponding path program 1 times [2021-11-04 07:06:08,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:08,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890338471] [2021-11-04 07:06:08,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:08,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 07:06:08,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:08,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890338471] [2021-11-04 07:06:08,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890338471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:08,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:08,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:06:08,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903718511] [2021-11-04 07:06:08,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:08,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:06:08,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:08,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:06:08,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:08,872 INFO L87 Difference]: Start difference. First operand 144 states and 190 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:09,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:09,166 INFO L93 Difference]: Finished difference Result 261 states and 353 transitions. [2021-11-04 07:06:09,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:06:09,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-04 07:06:09,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:09,170 INFO L225 Difference]: With dead ends: 261 [2021-11-04 07:06:09,171 INFO L226 Difference]: Without dead ends: 145 [2021-11-04 07:06:09,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:09,175 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 206.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 268.18ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:09,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 379 Unknown, 0 Unchecked, 5.09ms Time], IncrementalHoareTripleChecker [0 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 268.18ms Time] [2021-11-04 07:06:09,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-04 07:06:09,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2021-11-04 07:06:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 139 states have (on average 1.3741007194244603) internal successors, (191), 144 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2021-11-04 07:06:09,187 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 191 transitions. Word has length 39 [2021-11-04 07:06:09,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:09,187 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 191 transitions. [2021-11-04 07:06:09,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2021-11-04 07:06:09,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-04 07:06:09,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:09,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:09,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 07:06:09,189 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:09,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:09,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1950098240, now seen corresponding path program 1 times [2021-11-04 07:06:09,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:09,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582484177] [2021-11-04 07:06:09,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:09,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:09,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 07:06:09,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:09,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582484177] [2021-11-04 07:06:09,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582484177] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:09,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:09,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:06:09,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540286645] [2021-11-04 07:06:09,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:09,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:06:09,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:09,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:06:09,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:09,289 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:09,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:09,614 INFO L93 Difference]: Finished difference Result 348 states and 480 transitions. [2021-11-04 07:06:09,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:06:09,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-04 07:06:09,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:09,616 INFO L225 Difference]: With dead ends: 348 [2021-11-04 07:06:09,616 INFO L226 Difference]: Without dead ends: 234 [2021-11-04 07:06:09,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:09,617 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 155 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 235.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.91ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 306.13ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:09,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 0 Invalid, 350 Unknown, 0 Unchecked, 1.91ms Time], IncrementalHoareTripleChecker [2 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 306.13ms Time] [2021-11-04 07:06:09,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-11-04 07:06:09,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 220. [2021-11-04 07:06:09,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.4345794392523366) internal successors, (307), 219 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 307 transitions. [2021-11-04 07:06:09,626 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 307 transitions. Word has length 40 [2021-11-04 07:06:09,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:09,626 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 307 transitions. [2021-11-04 07:06:09,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:09,627 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 307 transitions. [2021-11-04 07:06:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-04 07:06:09,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:09,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:09,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 07:06:09,637 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:09,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:09,638 INFO L85 PathProgramCache]: Analyzing trace with hash 869027123, now seen corresponding path program 1 times [2021-11-04 07:06:09,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:09,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547197461] [2021-11-04 07:06:09,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:09,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:09,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 07:06:09,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:09,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547197461] [2021-11-04 07:06:09,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547197461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:09,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:09,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:06:09,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217222589] [2021-11-04 07:06:09,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:09,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:06:09,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:09,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:06:09,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:09,790 INFO L87 Difference]: Start difference. First operand 220 states and 307 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:10,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:10,141 INFO L93 Difference]: Finished difference Result 565 states and 822 transitions. [2021-11-04 07:06:10,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:06:10,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-04 07:06:10,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:10,143 INFO L225 Difference]: With dead ends: 565 [2021-11-04 07:06:10,143 INFO L226 Difference]: Without dead ends: 376 [2021-11-04 07:06:10,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:10,144 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 134 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 253.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.69ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 328.81ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:10,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 0 Invalid, 402 Unknown, 0 Unchecked, 1.69ms Time], IncrementalHoareTripleChecker [3 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 328.81ms Time] [2021-11-04 07:06:10,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-04 07:06:10,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 372. [2021-11-04 07:06:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 366 states have (on average 1.4726775956284153) internal successors, (539), 371 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:10,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 539 transitions. [2021-11-04 07:06:10,170 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 539 transitions. Word has length 43 [2021-11-04 07:06:10,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:10,171 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 539 transitions. [2021-11-04 07:06:10,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:10,172 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 539 transitions. [2021-11-04 07:06:10,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-04 07:06:10,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:10,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:10,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 07:06:10,176 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:10,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:10,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1792627705, now seen corresponding path program 1 times [2021-11-04 07:06:10,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:10,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260091794] [2021-11-04 07:06:10,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:10,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:10,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 07:06:10,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:10,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260091794] [2021-11-04 07:06:10,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260091794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:10,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:10,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 07:06:10,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724701705] [2021-11-04 07:06:10,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:10,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:06:10,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:10,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:06:10,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:10,308 INFO L87 Difference]: Start difference. First operand 372 states and 539 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:10,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:10,495 INFO L93 Difference]: Finished difference Result 372 states and 539 transitions. [2021-11-04 07:06:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:06:10,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-04 07:06:10,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:10,497 INFO L225 Difference]: With dead ends: 372 [2021-11-04 07:06:10,497 INFO L226 Difference]: Without dead ends: 370 [2021-11-04 07:06:10,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:10,498 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 138 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 175.70ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:10,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 0 Invalid, 188 Unknown, 0 Unchecked, 0.51ms Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 175.70ms Time] [2021-11-04 07:06:10,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-11-04 07:06:10,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2021-11-04 07:06:10,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 365 states have (on average 1.4712328767123288) internal successors, (537), 369 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 537 transitions. [2021-11-04 07:06:10,506 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 537 transitions. Word has length 52 [2021-11-04 07:06:10,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:10,507 INFO L470 AbstractCegarLoop]: Abstraction has 370 states and 537 transitions. [2021-11-04 07:06:10,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:10,507 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 537 transitions. [2021-11-04 07:06:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-04 07:06:10,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:10,508 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:10,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 07:06:10,508 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:10,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:10,508 INFO L85 PathProgramCache]: Analyzing trace with hash -263109461, now seen corresponding path program 1 times [2021-11-04 07:06:10,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:10,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287997080] [2021-11-04 07:06:10,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:10,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 07:06:10,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:10,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287997080] [2021-11-04 07:06:10,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287997080] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:10,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:10,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 07:06:10,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054374955] [2021-11-04 07:06:10,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:10,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:06:10,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:10,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:06:10,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:10,613 INFO L87 Difference]: Start difference. First operand 370 states and 537 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:10,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:10,807 INFO L93 Difference]: Finished difference Result 370 states and 537 transitions. [2021-11-04 07:06:10,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:06:10,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-04 07:06:10,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:10,812 INFO L225 Difference]: With dead ends: 370 [2021-11-04 07:06:10,813 INFO L226 Difference]: Without dead ends: 368 [2021-11-04 07:06:10,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:10,814 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 135 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 182.25ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:10,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 0 Invalid, 186 Unknown, 0 Unchecked, 0.51ms Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 182.25ms Time] [2021-11-04 07:06:10,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-11-04 07:06:10,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2021-11-04 07:06:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 364 states have (on average 1.4697802197802199) internal successors, (535), 367 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 535 transitions. [2021-11-04 07:06:10,833 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 535 transitions. Word has length 53 [2021-11-04 07:06:10,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:10,833 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 535 transitions. [2021-11-04 07:06:10,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 535 transitions. [2021-11-04 07:06:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-04 07:06:10,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:10,835 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:10,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 07:06:10,835 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:10,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:10,836 INFO L85 PathProgramCache]: Analyzing trace with hash 433547843, now seen corresponding path program 1 times [2021-11-04 07:06:10,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:10,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911596560] [2021-11-04 07:06:10,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:10,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 07:06:10,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:10,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911596560] [2021-11-04 07:06:10,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911596560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:10,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:10,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 07:06:10,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989211993] [2021-11-04 07:06:10,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:10,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:06:10,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:10,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:06:10,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:10,947 INFO L87 Difference]: Start difference. First operand 368 states and 535 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:11,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:11,121 INFO L93 Difference]: Finished difference Result 368 states and 535 transitions. [2021-11-04 07:06:11,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:06:11,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-04 07:06:11,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:11,123 INFO L225 Difference]: With dead ends: 368 [2021-11-04 07:06:11,123 INFO L226 Difference]: Without dead ends: 366 [2021-11-04 07:06:11,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:11,123 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 132 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 161.41ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:11,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 0 Invalid, 184 Unknown, 0 Unchecked, 0.49ms Time], IncrementalHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 161.41ms Time] [2021-11-04 07:06:11,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-04 07:06:11,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2021-11-04 07:06:11,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 363 states have (on average 1.4683195592286502) internal successors, (533), 365 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:11,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 533 transitions. [2021-11-04 07:06:11,131 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 533 transitions. Word has length 54 [2021-11-04 07:06:11,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:11,132 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 533 transitions. [2021-11-04 07:06:11,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:11,132 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 533 transitions. [2021-11-04 07:06:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-04 07:06:11,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:11,132 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:11,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-04 07:06:11,133 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:11,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:11,133 INFO L85 PathProgramCache]: Analyzing trace with hash 555087797, now seen corresponding path program 1 times [2021-11-04 07:06:11,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:11,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062867129] [2021-11-04 07:06:11,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:11,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:11,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 07:06:11,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:11,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062867129] [2021-11-04 07:06:11,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062867129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:11,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:11,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 07:06:11,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045077913] [2021-11-04 07:06:11,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:11,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:06:11,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:11,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:06:11,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:11,229 INFO L87 Difference]: Start difference. First operand 366 states and 533 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:11,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:11,503 INFO L93 Difference]: Finished difference Result 1026 states and 1527 transitions. [2021-11-04 07:06:11,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:06:11,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-04 07:06:11,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:11,515 INFO L225 Difference]: With dead ends: 1026 [2021-11-04 07:06:11,515 INFO L226 Difference]: Without dead ends: 685 [2021-11-04 07:06:11,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:11,516 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 123 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 190.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 249.57ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:11,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 0 Invalid, 348 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [4 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 249.57ms Time] [2021-11-04 07:06:11,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2021-11-04 07:06:11,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 680. [2021-11-04 07:06:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 677 states have (on average 1.4874446085672082) internal successors, (1007), 679 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1007 transitions. [2021-11-04 07:06:11,532 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1007 transitions. Word has length 55 [2021-11-04 07:06:11,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:11,532 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1007 transitions. [2021-11-04 07:06:11,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:11,533 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1007 transitions. [2021-11-04 07:06:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-04 07:06:11,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:11,534 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:11,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-04 07:06:11,534 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:11,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:11,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2118188475, now seen corresponding path program 1 times [2021-11-04 07:06:11,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:11,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906951732] [2021-11-04 07:06:11,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:11,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:11,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-04 07:06:11,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:11,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906951732] [2021-11-04 07:06:11,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906951732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:11,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:11,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:06:11,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360937999] [2021-11-04 07:06:11,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:11,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:06:11,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:11,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:06:11,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:11,631 INFO L87 Difference]: Start difference. First operand 680 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:11,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:11,957 INFO L93 Difference]: Finished difference Result 1329 states and 1982 transitions. [2021-11-04 07:06:11,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:06:11,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-04 07:06:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:11,960 INFO L225 Difference]: With dead ends: 1329 [2021-11-04 07:06:11,961 INFO L226 Difference]: Without dead ends: 680 [2021-11-04 07:06:11,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.41ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:06:11,962 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 142 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 223.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.19ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 297.54ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:11,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 0 Invalid, 483 Unknown, 0 Unchecked, 1.19ms Time], IncrementalHoareTripleChecker [1 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 297.54ms Time] [2021-11-04 07:06:11,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2021-11-04 07:06:11,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 679. [2021-11-04 07:06:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 676 states have (on average 1.482248520710059) internal successors, (1002), 678 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1002 transitions. [2021-11-04 07:06:11,977 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1002 transitions. Word has length 67 [2021-11-04 07:06:11,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:11,978 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 1002 transitions. [2021-11-04 07:06:11,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:11,978 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1002 transitions. [2021-11-04 07:06:11,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-04 07:06:11,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:11,979 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:11,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-04 07:06:11,979 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:11,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:11,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1998629966, now seen corresponding path program 1 times [2021-11-04 07:06:11,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:11,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399749627] [2021-11-04 07:06:11,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:11,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:06:12,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:12,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399749627] [2021-11-04 07:06:12,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399749627] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-04 07:06:12,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026732664] [2021-11-04 07:06:12,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:12,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-04 07:06:12,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 07:06:12,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-04 07:06:12,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-04 07:06:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:12,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-04 07:06:12,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-04 07:06:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:06:12,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-04 07:06:12,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:06:12,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026732664] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-04 07:06:12,736 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-04 07:06:12,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-04 07:06:12,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58872143] [2021-11-04 07:06:12,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-04 07:06:12,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-04 07:06:12,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:12,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-04 07:06:12,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-11-04 07:06:12,737 INFO L87 Difference]: Start difference. First operand 679 states and 1002 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:13,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:13,199 INFO L93 Difference]: Finished difference Result 1332 states and 1980 transitions. [2021-11-04 07:06:13,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-04 07:06:13,200 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-04 07:06:13,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:13,202 INFO L225 Difference]: With dead ends: 1332 [2021-11-04 07:06:13,202 INFO L226 Difference]: Without dead ends: 682 [2021-11-04 07:06:13,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.81ms TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-11-04 07:06:13,204 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 343.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.20ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 427.96ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:13,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 920 Unknown, 0 Unchecked, 2.20ms Time], IncrementalHoareTripleChecker [3 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 427.96ms Time] [2021-11-04 07:06:13,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2021-11-04 07:06:13,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2021-11-04 07:06:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 679 states have (on average 1.480117820324006) internal successors, (1005), 681 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:13,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1005 transitions. [2021-11-04 07:06:13,222 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1005 transitions. Word has length 68 [2021-11-04 07:06:13,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:13,222 INFO L470 AbstractCegarLoop]: Abstraction has 682 states and 1005 transitions. [2021-11-04 07:06:13,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1005 transitions. [2021-11-04 07:06:13,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-04 07:06:13,223 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:13,224 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:13,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-04 07:06:13,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-04 07:06:13,435 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:13,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:13,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1715330874, now seen corresponding path program 2 times [2021-11-04 07:06:13,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:13,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471491514] [2021-11-04 07:06:13,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:13,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-04 07:06:13,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:13,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471491514] [2021-11-04 07:06:13,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471491514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:13,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:13,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-04 07:06:13,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25986123] [2021-11-04 07:06:13,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:13,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-04 07:06:13,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:13,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-04 07:06:13,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-04 07:06:13,595 INFO L87 Difference]: Start difference. First operand 682 states and 1005 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:14,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:14,749 INFO L93 Difference]: Finished difference Result 2542 states and 3827 transitions. [2021-11-04 07:06:14,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-04 07:06:14,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-04 07:06:14,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:14,756 INFO L225 Difference]: With dead ends: 2542 [2021-11-04 07:06:14,756 INFO L226 Difference]: Without dead ends: 1894 [2021-11-04 07:06:14,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 45.17ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-04 07:06:14,758 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1184 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 805.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.63ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1019.35ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:14,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1184 Valid, 0 Invalid, 2272 Unknown, 0 Unchecked, 9.63ms Time], IncrementalHoareTripleChecker [1 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 1019.35ms Time] [2021-11-04 07:06:14,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2021-11-04 07:06:14,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 683. [2021-11-04 07:06:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 681 states have (on average 1.475770925110132) internal successors, (1005), 682 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1005 transitions. [2021-11-04 07:06:14,785 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1005 transitions. Word has length 71 [2021-11-04 07:06:14,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:14,785 INFO L470 AbstractCegarLoop]: Abstraction has 683 states and 1005 transitions. [2021-11-04 07:06:14,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:14,786 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1005 transitions. [2021-11-04 07:06:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-04 07:06:14,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:06:14,787 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:14,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-04 07:06:14,787 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-04 07:06:14,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:06:14,788 INFO L85 PathProgramCache]: Analyzing trace with hash -816408465, now seen corresponding path program 1 times [2021-11-04 07:06:14,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:06:14,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318549369] [2021-11-04 07:06:14,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:06:14,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:06:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:06:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-04 07:06:14,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:06:14,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318549369] [2021-11-04 07:06:14,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318549369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:06:14,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:06:14,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-04 07:06:14,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569403989] [2021-11-04 07:06:14,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:06:14,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 07:06:14,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:06:14,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 07:06:14,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:06:14,910 INFO L87 Difference]: Start difference. First operand 683 states and 1005 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:15,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:06:15,337 INFO L93 Difference]: Finished difference Result 974 states and 1452 transitions. [2021-11-04 07:06:15,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 07:06:15,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-04 07:06:15,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:06:15,338 INFO L225 Difference]: With dead ends: 974 [2021-11-04 07:06:15,338 INFO L226 Difference]: Without dead ends: 0 [2021-11-04 07:06:15,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.11ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-04 07:06:15,340 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 381 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 298.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 379.26ms IncrementalHoareTripleChecker+Time [2021-11-04 07:06:15,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 0 Invalid, 793 Unknown, 0 Unchecked, 2.04ms Time], IncrementalHoareTripleChecker [0 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 379.26ms Time] [2021-11-04 07:06:15,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-04 07:06:15,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-04 07:06:15,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:15,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-04 07:06:15,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-11-04 07:06:15,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:06:15,341 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-04 07:06:15,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 07:06:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-04 07:06:15,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-04 07:06:15,345 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-04 07:06:15,345 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-04 07:06:15,345 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2021-11-04 07:06:15,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-11-04 07:06:15,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-11-04 07:06:15,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-04 07:06:15,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-04 07:06:15,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-04 07:06:15,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-04 07:06:15,698 INFO L858 garLoopResultBuilder]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L854 garLoopResultBuilder]: At program point L7005(lines 7004 7006) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L6213(line 6213) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L854 garLoopResultBuilder]: At program point L6347(lines 6336 6349) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L6050(line 6050) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L5720-1(lines 5720 5722) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L5720-2(lines 5720 5722) no Hoare annotation was computed. [2021-11-04 07:06:15,699 INFO L858 garLoopResultBuilder]: For program point L5720(lines 5720 5722) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5720-5(lines 5720 5722) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5720-6(lines 5720 5722) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5720-3(lines 5720 5722) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5720-4(lines 5720 5722) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L854 garLoopResultBuilder]: At program point L7009(lines 7008 7010) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5721-2(line 5721) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5721(line 5721) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5721-6(line 5721) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5721-4(line 5721) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5721-10(line 5721) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5721-8(line 5721) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L5721-12(line 5721) no Hoare annotation was computed. [2021-11-04 07:06:15,700 INFO L858 garLoopResultBuilder]: For program point L6184(line 6184) no Hoare annotation was computed. [2021-11-04 07:06:15,701 INFO L854 garLoopResultBuilder]: At program point L5953(lines 5948 5955) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,701 INFO L861 garLoopResultBuilder]: At program point L6977(lines 6962 6983) the Hoare annotation is: true [2021-11-04 07:06:15,701 INFO L858 garLoopResultBuilder]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2021-11-04 07:06:15,701 INFO L854 garLoopResultBuilder]: At program point L6318(lines 6307 6320) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,701 INFO L854 garLoopResultBuilder]: At program point L6153(lines 6965 6968) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,701 INFO L858 garLoopResultBuilder]: For program point L6120(line 6120) no Hoare annotation was computed. [2021-11-04 07:06:15,701 INFO L858 garLoopResultBuilder]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2021-11-04 07:06:15,701 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-04 07:06:15,701 INFO L858 garLoopResultBuilder]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2021-11-04 07:06:15,701 INFO L858 garLoopResultBuilder]: For program point L6220(line 6220) no Hoare annotation was computed. [2021-11-04 07:06:15,702 INFO L854 garLoopResultBuilder]: At program point L7013(lines 7012 7014) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ULTIMATE.start_m5632_recover_~r~0 0) (= ~ldv_mutex_lock~0 1) (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0)) [2021-11-04 07:06:15,702 INFO L858 garLoopResultBuilder]: For program point L6188(line 6188) no Hoare annotation was computed. [2021-11-04 07:06:15,702 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-04 07:06:15,702 INFO L858 garLoopResultBuilder]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2021-11-04 07:06:15,702 INFO L858 garLoopResultBuilder]: For program point L6057(line 6057) no Hoare annotation was computed. [2021-11-04 07:06:15,702 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-04 07:06:15,702 INFO L854 garLoopResultBuilder]: At program point L6223(lines 6002 6228) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,702 INFO L854 garLoopResultBuilder]: At program point L7016-1(lines 7015 7017) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,702 INFO L854 garLoopResultBuilder]: At program point L7016(lines 7015 7017) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,702 INFO L858 garLoopResultBuilder]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2021-11-04 07:06:15,702 INFO L858 garLoopResultBuilder]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2021-11-04 07:06:15,702 INFO L854 garLoopResultBuilder]: At program point L6951(lines 6940 6954) the Hoare annotation is: (let ((.cse0 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse1 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse2 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 .cse1 .cse2 (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) (= ~ldv_mutex_udev~0 1)) (and .cse0 .cse1 .cse2 (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0)))) [2021-11-04 07:06:15,702 INFO L861 garLoopResultBuilder]: At program point L5795(lines 5794 5797) the Hoare annotation is: true [2021-11-04 07:06:15,702 INFO L861 garLoopResultBuilder]: At program point L5795-1(lines 5794 5797) the Hoare annotation is: true [2021-11-04 07:06:15,702 INFO L861 garLoopResultBuilder]: At program point L5795-4(lines 5794 5797) the Hoare annotation is: true [2021-11-04 07:06:15,703 INFO L861 garLoopResultBuilder]: At program point L5795-5(lines 5794 5797) the Hoare annotation is: true [2021-11-04 07:06:15,703 INFO L861 garLoopResultBuilder]: At program point L5795-2(lines 5794 5797) the Hoare annotation is: true [2021-11-04 07:06:15,703 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-04 07:06:15,703 INFO L861 garLoopResultBuilder]: At program point L5795-3(lines 5794 5797) the Hoare annotation is: true [2021-11-04 07:06:15,703 INFO L861 garLoopResultBuilder]: At program point L5795-8(lines 5794 5797) the Hoare annotation is: true [2021-11-04 07:06:15,703 INFO L861 garLoopResultBuilder]: At program point L5795-6(lines 5794 5797) the Hoare annotation is: true [2021-11-04 07:06:15,703 INFO L861 garLoopResultBuilder]: At program point L5795-7(lines 5794 5797) the Hoare annotation is: true [2021-11-04 07:06:15,703 INFO L858 garLoopResultBuilder]: For program point L6159(line 6159) no Hoare annotation was computed. [2021-11-04 07:06:15,703 INFO L858 garLoopResultBuilder]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2021-11-04 07:06:15,703 INFO L858 garLoopResultBuilder]: For program point L6093(line 6093) no Hoare annotation was computed. [2021-11-04 07:06:15,703 INFO L854 garLoopResultBuilder]: At program point L6985(lines 6984 6986) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ULTIMATE.start_m5632_recover_~r~0 0) (= ~ldv_mutex_lock~0 1) (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0)) [2021-11-04 07:06:15,703 INFO L858 garLoopResultBuilder]: For program point L6127(line 6127) no Hoare annotation was computed. [2021-11-04 07:06:15,703 INFO L858 garLoopResultBuilder]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2021-11-04 07:06:15,703 INFO L858 garLoopResultBuilder]: For program point L6028(line 6028) no Hoare annotation was computed. [2021-11-04 07:06:15,703 INFO L854 garLoopResultBuilder]: At program point L6326(lines 1 7033) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,703 INFO L861 garLoopResultBuilder]: At program point L6227(lines 5979 6229) the Hoare annotation is: true [2021-11-04 07:06:15,703 INFO L858 garLoopResultBuilder]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2021-11-04 07:06:15,703 INFO L858 garLoopResultBuilder]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2021-11-04 07:06:15,704 INFO L854 garLoopResultBuilder]: At program point L7020(lines 7019 7021) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,704 INFO L854 garLoopResultBuilder]: At program point L5765-2(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,704 INFO L854 garLoopResultBuilder]: At program point L5765-3(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,704 INFO L854 garLoopResultBuilder]: At program point L5765(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,704 INFO L854 garLoopResultBuilder]: At program point L5765-1(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,704 INFO L854 garLoopResultBuilder]: At program point L5765-6(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,704 INFO L854 garLoopResultBuilder]: At program point L5765-4(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,704 INFO L854 garLoopResultBuilder]: At program point L5765-5(lines 5757 5767) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,704 INFO L858 garLoopResultBuilder]: For program point L6195(line 6195) no Hoare annotation was computed. [2021-11-04 07:06:15,704 INFO L854 garLoopResultBuilder]: At program point L6922(lines 1 7033) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,704 INFO L854 garLoopResultBuilder]: At program point L6988(lines 6987 6989) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,704 INFO L858 garLoopResultBuilder]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2021-11-04 07:06:15,704 INFO L858 garLoopResultBuilder]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2021-11-04 07:06:15,704 INFO L858 garLoopResultBuilder]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2021-11-04 07:06:15,704 INFO L858 garLoopResultBuilder]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2021-11-04 07:06:15,704 INFO L858 garLoopResultBuilder]: For program point L6064(line 6064) no Hoare annotation was computed. [2021-11-04 07:06:15,704 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L854 garLoopResultBuilder]: At program point L6296(lines 6291 6298) the Hoare annotation is: (let ((.cse0 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse1 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse2 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 .cse1 .cse2 (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 1) 0) (= ~ldv_mutex_udev~0 1)) (and .cse0 .cse1 .cse2 (= 2 ~ldv_mutex_udev~0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0)))) [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6131(line 6131) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6032(line 6032) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L854 garLoopResultBuilder]: At program point L7024(lines 7023 7025) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6166(line 6166) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6100(line 6100) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L854 garLoopResultBuilder]: At program point L6992(lines 6991 6993) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6332-2(line 6332) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6332-1(line 6332) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6332(line 6332) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6332-5(line 6332) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6332-4(line 6332) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6332-3(line 6332) no Hoare annotation was computed. [2021-11-04 07:06:15,705 INFO L858 garLoopResultBuilder]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6068(line 6068) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L854 garLoopResultBuilder]: At program point L6861(lines 6853 6863) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= 2 ~ldv_mutex_udev~0)) [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6202(line 6202) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L854 garLoopResultBuilder]: At program point L7028(lines 7027 7029) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,706 INFO L854 garLoopResultBuilder]: At program point L5773(lines 5768 5775) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6170(line 6170) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L854 garLoopResultBuilder]: At program point L5840-1(lines 5837 5842) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,706 INFO L854 garLoopResultBuilder]: At program point L5840-2(lines 5837 5842) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,706 INFO L854 garLoopResultBuilder]: At program point L5840(lines 5837 5842) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,706 INFO L854 garLoopResultBuilder]: At program point L5840-3(lines 5837 5842) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6039(line 6039) no Hoare annotation was computed. [2021-11-04 07:06:15,706 INFO L858 garLoopResultBuilder]: For program point L6139(line 6139) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L6206(line 6206) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L854 garLoopResultBuilder]: At program point L5976(lines 5970 5978) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L6110(line 6110) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point L-1-6(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,707 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-11-04 07:06:15,708 INFO L854 garLoopResultBuilder]: At program point L-1-8(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,708 INFO L858 garLoopResultBuilder]: For program point L-1-9(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,708 INFO L858 garLoopResultBuilder]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2021-11-04 07:06:15,708 INFO L858 garLoopResultBuilder]: For program point L-1-10(line -1) no Hoare annotation was computed. [2021-11-04 07:06:15,708 INFO L858 garLoopResultBuilder]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2021-11-04 07:06:15,708 INFO L858 garLoopResultBuilder]: For program point L6177(line 6177) no Hoare annotation was computed. [2021-11-04 07:06:15,708 INFO L854 garLoopResultBuilder]: At program point L5781(lines 5776 5783) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,708 INFO L854 garLoopResultBuilder]: At program point L5781-1(lines 5776 5783) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_udev~0 1)) [2021-11-04 07:06:15,708 INFO L858 garLoopResultBuilder]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2021-11-04 07:06:15,708 INFO L858 garLoopResultBuilder]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2021-11-04 07:06:15,708 INFO L858 garLoopResultBuilder]: For program point L6079(line 6079) no Hoare annotation was computed. [2021-11-04 07:06:15,708 INFO L858 garLoopResultBuilder]: For program point L6046(line 6046) no Hoare annotation was computed. [2021-11-04 07:06:15,711 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:06:15,713 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-04 07:06:15,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.11 07:06:15 BoogieIcfgContainer [2021-11-04 07:06:15,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-04 07:06:15,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-04 07:06:15,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-04 07:06:15,734 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-04 07:06:15,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 07:06:07" (3/4) ... [2021-11-04 07:06:15,736 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-04 07:06:15,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-11-04 07:06:15,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-04 07:06:15,756 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-04 07:06:15,757 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-04 07:06:15,758 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-04 07:06:15,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1) || ((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) [2021-11-04 07:06:15,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && \result + 1 <= 0) && ret + 1 <= 0) && \result + 1 <= 0) && ldv_mutex_udev == 1) || (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0) [2021-11-04 07:06:15,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1 [2021-11-04 07:06:15,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && r == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0 [2021-11-04 07:06:15,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && r == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0 [2021-11-04 07:06:15,980 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-04 07:06:15,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-04 07:06:15,981 INFO L158 Benchmark]: Toolchain (without parser) took 10507.34ms. Allocated memory was 83.9MB in the beginning and 287.3MB in the end (delta: 203.4MB). Free memory was 44.5MB in the beginning and 108.9MB in the end (delta: -64.3MB). Peak memory consumption was 189.3MB. Max. memory is 16.1GB. [2021-11-04 07:06:15,981 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-04 07:06:15,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1160.83ms. Allocated memory was 83.9MB in the beginning and 140.5MB in the end (delta: 56.6MB). Free memory was 44.3MB in the beginning and 75.5MB in the end (delta: -31.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-11-04 07:06:15,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.04ms. Allocated memory is still 140.5MB. Free memory was 75.5MB in the beginning and 67.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-04 07:06:15,982 INFO L158 Benchmark]: Boogie Preprocessor took 95.23ms. Allocated memory is still 140.5MB. Free memory was 66.3MB in the beginning and 58.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-04 07:06:15,982 INFO L158 Benchmark]: RCFGBuilder took 873.12ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 57.5MB in the beginning and 108.0MB in the end (delta: -50.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-04 07:06:15,982 INFO L158 Benchmark]: TraceAbstraction took 7999.64ms. Allocated memory was 184.5MB in the beginning and 287.3MB in the end (delta: 102.8MB). Free memory was 106.9MB in the beginning and 95.7MB in the end (delta: 11.2MB). Peak memory consumption was 113.9MB. Max. memory is 16.1GB. [2021-11-04 07:06:15,983 INFO L158 Benchmark]: Witness Printer took 247.31ms. Allocated memory is still 287.3MB. Free memory was 95.7MB in the beginning and 108.9MB in the end (delta: -13.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-04 07:06:15,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1160.83ms. Allocated memory was 83.9MB in the beginning and 140.5MB in the end (delta: 56.6MB). Free memory was 44.3MB in the beginning and 75.5MB in the end (delta: -31.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.04ms. Allocated memory is still 140.5MB. Free memory was 75.5MB in the beginning and 67.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.23ms. Allocated memory is still 140.5MB. Free memory was 66.3MB in the beginning and 58.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 873.12ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 57.5MB in the beginning and 108.0MB in the end (delta: -50.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7999.64ms. Allocated memory was 184.5MB in the beginning and 287.3MB in the end (delta: 102.8MB). Free memory was 106.9MB in the beginning and 95.7MB in the end (delta: 11.2MB). Peak memory consumption was 113.9MB. Max. memory is 16.1GB. * Witness Printer took 247.31ms. Allocated memory is still 287.3MB. Free memory was 95.7MB in the beginning and 108.9MB in the end (delta: -13.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 157 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7927.14ms, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 38.88ms, AutomataDifference: 4626.25ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 351.59ms, InitialAbstractionConstructionTime: 11.44ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2524 SdHoareTripleChecker+Valid, 4066.66ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2524 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 3144.77ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3813 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6694 IncrementalHoareTripleChecker+Invalid, 6708 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 9 mSDtfsCounter, 6694 mSolverCounterSat, 28.57ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 118.17ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=683occurred in iteration=11, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 175.56ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1235 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 48 LocationsWithAnnotation, 48 PreInvPairs, 207 NumberOfFragments, 634 HoareAnnotationTreeSize, 48 FomulaSimplifications, 10398 FormulaSimplificationTreeSizeReduction, 149.52ms HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 188.06ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 146.41ms SsaConstructionTime, 777.63ms SatisfiabilityAnalysisTime, 1274.96ms InterpolantComputationTime, 725 NumberOfCodeBlocks, 725 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1929 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 49/52 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 7008]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 7019]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 7027]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5970]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6987]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 6965]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 6336]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 6853]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev - InvariantResult [Line: 6940]: Loop Invariant Derived loop invariant: ((((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && \result + 1 <= 0) && ret + 1 <= 0) && ldv_mutex_udev == 1) || ((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) - InvariantResult [Line: 6984]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && r == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7023]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 7004]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 6002]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5768]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6307]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: (((((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && \result + 1 <= 0) && \result + 1 <= 0) && ret + 1 <= 0) && \result + 1 <= 0) && ldv_mutex_udev == 1) || (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0) - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6991]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 7012]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && r == 0) && ldv_mutex_lock == 1) && 2 == ldv_mutex_udev) && \result == 0) && \result == 0 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_state_variable_6 == 0) && ldv_mutex_udev == 1 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5948]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_lock == 1) && ldv_mutex_udev == 1 RESULT: Ultimate proved your program to be correct! [2021-11-04 07:06:16,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE