./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.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 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 13:12:32,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 13:12:32,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 13:12:32,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 13:12:32,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 13:12:32,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 13:12:32,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 13:12:32,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 13:12:32,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 13:12:32,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 13:12:32,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 13:12:32,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 13:12:32,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 13:12:32,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 13:12:32,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 13:12:32,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 13:12:32,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 13:12:32,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 13:12:32,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 13:12:32,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 13:12:32,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 13:12:32,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 13:12:32,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 13:12:32,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 13:12:32,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 13:12:32,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 13:12:32,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 13:12:32,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 13:12:32,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 13:12:32,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 13:12:32,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 13:12:32,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 13:12:32,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 13:12:32,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 13:12:32,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 13:12:32,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 13:12:32,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 13:12:32,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 13:12:32,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 13:12:32,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 13:12:32,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 13:12:32,682 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 13:12:32,705 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 13:12:32,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 13:12:32,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 13:12:32,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 13:12:32,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 13:12:32,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 13:12:32,708 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 13:12:32,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 13:12:32,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 13:12:32,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 13:12:32,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 13:12:32,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 13:12:32,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 13:12:32,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 13:12:32,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 13:12:32,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 13:12:32,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 13:12:32,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 13:12:32,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 13:12:32,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 13:12:32,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 13:12:32,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 13:12:32,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 13:12:32,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 13:12:32,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 13:12:32,713 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 13:12:32,713 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 13:12:32,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 13:12:32,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 13:12:32,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2021-11-07 13:12:32,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 13:12:32,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 13:12:32,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 13:12:32,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 13:12:32,950 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 13:12:32,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-11-07 13:12:33,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f4a0f83/123d1e3c6b3d402e9a70700ebb2ecd86/FLAG4727bf1c6 [2021-11-07 13:12:33,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 13:12:33,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-11-07 13:12:33,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f4a0f83/123d1e3c6b3d402e9a70700ebb2ecd86/FLAG4727bf1c6 [2021-11-07 13:12:33,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f4a0f83/123d1e3c6b3d402e9a70700ebb2ecd86 [2021-11-07 13:12:33,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 13:12:33,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 13:12:33,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 13:12:33,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 13:12:33,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 13:12:33,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:12:33" (1/1) ... [2021-11-07 13:12:33,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a583df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:33, skipping insertion in model container [2021-11-07 13:12:33,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:12:33" (1/1) ... [2021-11-07 13:12:33,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 13:12:33,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 13:12:34,685 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2021-11-07 13:12:35,147 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-07 13:12:35,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 13:12:35,176 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 13:12:35,308 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2021-11-07 13:12:35,442 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-07 13:12:35,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 13:12:35,499 INFO L208 MainTranslator]: Completed translation [2021-11-07 13:12:35,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35 WrapperNode [2021-11-07 13:12:35,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 13:12:35,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 13:12:35,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 13:12:35,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 13:12:35,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (1/1) ... [2021-11-07 13:12:35,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (1/1) ... [2021-11-07 13:12:35,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 13:12:35,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 13:12:35,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 13:12:35,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 13:12:35,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (1/1) ... [2021-11-07 13:12:35,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (1/1) ... [2021-11-07 13:12:35,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (1/1) ... [2021-11-07 13:12:35,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (1/1) ... [2021-11-07 13:12:36,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (1/1) ... [2021-11-07 13:12:36,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (1/1) ... [2021-11-07 13:12:36,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (1/1) ... [2021-11-07 13:12:36,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 13:12:36,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 13:12:36,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 13:12:36,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 13:12:36,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (1/1) ... [2021-11-07 13:12:36,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 13:12:36,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 13:12:36,343 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) [2021-11-07 13:12:36,364 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 [2021-11-07 13:12:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 13:12:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 13:12:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 13:12:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 13:12:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 13:12:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 13:12:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 13:12:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-07 13:12:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 13:12:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 13:12:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 13:12:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 13:12:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 13:12:41,348 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 13:12:41,351 INFO L299 CfgBuilder]: Removed 1870 assume(true) statements. [2021-11-07 13:12:41,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:12:41 BoogieIcfgContainer [2021-11-07 13:12:41,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 13:12:41,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 13:12:41,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 13:12:41,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 13:12:41,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:12:33" (1/3) ... [2021-11-07 13:12:41,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2a0a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:12:41, skipping insertion in model container [2021-11-07 13:12:41,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:35" (2/3) ... [2021-11-07 13:12:41,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2a0a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:12:41, skipping insertion in model container [2021-11-07 13:12:41,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:12:41" (3/3) ... [2021-11-07 13:12:41,364 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-11-07 13:12:41,369 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 13:12:41,369 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 13:12:41,423 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 13:12:41,431 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 [2021-11-07 13:12:41,432 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 13:12:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 1507 states, 1505 states have (on average 1.307641196013289) internal successors, (1968), 1506 states have internal predecessors, (1968), 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) [2021-11-07 13:12:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 13:12:41,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:41,490 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] [2021-11-07 13:12:41,490 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:41,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:41,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1861169288, now seen corresponding path program 1 times [2021-11-07 13:12:41,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:41,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728191421] [2021-11-07 13:12:41,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:41,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:12:41,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:41,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728191421] [2021-11-07 13:12:41,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728191421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:41,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:12:41,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 13:12:41,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338891123] [2021-11-07 13:12:41,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:41,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 13:12:41,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:41,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 13:12:41,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:12:41,913 INFO L87 Difference]: Start difference. First operand has 1507 states, 1505 states have (on average 1.307641196013289) internal successors, (1968), 1506 states have internal predecessors, (1968), 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 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-07 13:12:42,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:12:42,220 INFO L93 Difference]: Finished difference Result 4451 states and 5817 transitions. [2021-11-07 13:12:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 13:12:42,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2021-11-07 13:12:42,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:12:42,246 INFO L225 Difference]: With dead ends: 4451 [2021-11-07 13:12:42,246 INFO L226 Difference]: Without dead ends: 2938 [2021-11-07 13:12:42,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.18ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:12:42,258 INFO L933 BasicCegarLoop]: 1918 mSDtfsCounter, 1844 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.27ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.07ms IncrementalHoareTripleChecker+Time [2021-11-07 13:12:42,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1844 Valid, 3825 Invalid, 15 Unknown, 0 Unchecked, 17.27ms Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 142.07ms Time] [2021-11-07 13:12:42,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2938 states. [2021-11-07 13:12:42,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2938 to 2938. [2021-11-07 13:12:42,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2937 states have (on average 1.2768130745658837) internal successors, (3750), 2937 states have internal predecessors, (3750), 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) [2021-11-07 13:12:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 3750 transitions. [2021-11-07 13:12:42,413 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 3750 transitions. Word has length 21 [2021-11-07 13:12:42,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:12:42,413 INFO L470 AbstractCegarLoop]: Abstraction has 2938 states and 3750 transitions. [2021-11-07 13:12:42,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-07 13:12:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 3750 transitions. [2021-11-07 13:12:42,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 13:12:42,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:42,421 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] [2021-11-07 13:12:42,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 13:12:42,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:42,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:42,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1125897843, now seen corresponding path program 1 times [2021-11-07 13:12:42,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:42,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633753540] [2021-11-07 13:12:42,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:42,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:12:42,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:42,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633753540] [2021-11-07 13:12:42,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633753540] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:42,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:12:42,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 13:12:42,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60344235] [2021-11-07 13:12:42,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:42,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 13:12:42,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:42,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 13:12:42,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 13:12:42,617 INFO L87 Difference]: Start difference. First operand 2938 states and 3750 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-11-07 13:12:42,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:12:42,945 INFO L93 Difference]: Finished difference Result 8770 states and 11203 transitions. [2021-11-07 13:12:42,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 13:12:42,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2021-11-07 13:12:42,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:12:42,968 INFO L225 Difference]: With dead ends: 8770 [2021-11-07 13:12:42,969 INFO L226 Difference]: Without dead ends: 5837 [2021-11-07 13:12:42,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.60ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 13:12:42,979 INFO L933 BasicCegarLoop]: 1884 mSDtfsCounter, 1883 mSDsluCounter, 5621 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 7505 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.78ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.78ms IncrementalHoareTripleChecker+Time [2021-11-07 13:12:42,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1883 Valid, 7505 Invalid, 125 Unknown, 0 Unchecked, 12.78ms Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 108.78ms Time] [2021-11-07 13:12:42,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5837 states. [2021-11-07 13:12:43,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5837 to 5813. [2021-11-07 13:12:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5813 states, 5812 states have (on average 1.2763248451479696) internal successors, (7418), 5812 states have internal predecessors, (7418), 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) [2021-11-07 13:12:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5813 states to 5813 states and 7418 transitions. [2021-11-07 13:12:43,160 INFO L78 Accepts]: Start accepts. Automaton has 5813 states and 7418 transitions. Word has length 22 [2021-11-07 13:12:43,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:12:43,160 INFO L470 AbstractCegarLoop]: Abstraction has 5813 states and 7418 transitions. [2021-11-07 13:12:43,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-11-07 13:12:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand 5813 states and 7418 transitions. [2021-11-07 13:12:43,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 13:12:43,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:43,166 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] [2021-11-07 13:12:43,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 13:12:43,166 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:43,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:43,167 INFO L85 PathProgramCache]: Analyzing trace with hash -811032581, now seen corresponding path program 1 times [2021-11-07 13:12:43,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:43,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194393059] [2021-11-07 13:12:43,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:43,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:12:43,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:43,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194393059] [2021-11-07 13:12:43,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194393059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:43,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:12:43,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 13:12:43,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075869327] [2021-11-07 13:12:43,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:43,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 13:12:43,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:43,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 13:12:43,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:12:43,240 INFO L87 Difference]: Start difference. First operand 5813 states and 7418 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-07 13:12:43,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:12:43,447 INFO L93 Difference]: Finished difference Result 11683 states and 14919 transitions. [2021-11-07 13:12:43,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 13:12:43,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-07 13:12:43,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:12:43,473 INFO L225 Difference]: With dead ends: 11683 [2021-11-07 13:12:43,474 INFO L226 Difference]: Without dead ends: 5891 [2021-11-07 13:12:43,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.96ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:12:43,489 INFO L933 BasicCegarLoop]: 1930 mSDtfsCounter, 62 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 3756 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.02ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.05ms IncrementalHoareTripleChecker+Time [2021-11-07 13:12:43,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 3756 Invalid, 62 Unknown, 0 Unchecked, 4.02ms Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 78.05ms Time] [2021-11-07 13:12:43,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2021-11-07 13:12:43,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 5873. [2021-11-07 13:12:43,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5873 states, 5872 states have (on average 1.2775885558583107) internal successors, (7502), 5872 states have internal predecessors, (7502), 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) [2021-11-07 13:12:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5873 states to 5873 states and 7502 transitions. [2021-11-07 13:12:43,712 INFO L78 Accepts]: Start accepts. Automaton has 5873 states and 7502 transitions. Word has length 51 [2021-11-07 13:12:43,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:12:43,713 INFO L470 AbstractCegarLoop]: Abstraction has 5873 states and 7502 transitions. [2021-11-07 13:12:43,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-07 13:12:43,713 INFO L276 IsEmpty]: Start isEmpty. Operand 5873 states and 7502 transitions. [2021-11-07 13:12:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 13:12:43,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:43,720 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-07 13:12:43,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 13:12:43,721 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:43,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:43,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1067535698, now seen corresponding path program 1 times [2021-11-07 13:12:43,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:43,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760656059] [2021-11-07 13:12:43,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:43,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:12:43,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:43,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760656059] [2021-11-07 13:12:43,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760656059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:43,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:12:43,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 13:12:43,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111200478] [2021-11-07 13:12:43,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:43,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 13:12:43,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:43,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 13:12:43,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:12:43,835 INFO L87 Difference]: Start difference. First operand 5873 states and 7502 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-07 13:12:44,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:12:44,235 INFO L93 Difference]: Finished difference Result 11931 states and 15335 transitions. [2021-11-07 13:12:44,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 13:12:44,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 65 [2021-11-07 13:12:44,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:12:44,276 INFO L225 Difference]: With dead ends: 11931 [2021-11-07 13:12:44,276 INFO L226 Difference]: Without dead ends: 6079 [2021-11-07 13:12:44,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.66ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:12:44,295 INFO L933 BasicCegarLoop]: 1911 mSDtfsCounter, 973 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 204.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.22ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 234.65ms IncrementalHoareTripleChecker+Time [2021-11-07 13:12:44,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [973 Valid, 2856 Invalid, 100 Unknown, 0 Unchecked, 5.22ms Time], IncrementalHoareTripleChecker [37 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 234.65ms Time] [2021-11-07 13:12:44,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6079 states. [2021-11-07 13:12:44,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6079 to 6061. [2021-11-07 13:12:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6061 states, 6060 states have (on average 1.2801980198019802) internal successors, (7758), 6060 states have internal predecessors, (7758), 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) [2021-11-07 13:12:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6061 states to 6061 states and 7758 transitions. [2021-11-07 13:12:44,529 INFO L78 Accepts]: Start accepts. Automaton has 6061 states and 7758 transitions. Word has length 65 [2021-11-07 13:12:44,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:12:44,529 INFO L470 AbstractCegarLoop]: Abstraction has 6061 states and 7758 transitions. [2021-11-07 13:12:44,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-07 13:12:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 6061 states and 7758 transitions. [2021-11-07 13:12:44,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 13:12:44,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:44,535 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-07 13:12:44,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 13:12:44,535 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:44,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:44,536 INFO L85 PathProgramCache]: Analyzing trace with hash 104367796, now seen corresponding path program 1 times [2021-11-07 13:12:44,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:44,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488426890] [2021-11-07 13:12:44,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:44,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:12:44,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:44,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488426890] [2021-11-07 13:12:44,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488426890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:44,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:12:44,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 13:12:44,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452697884] [2021-11-07 13:12:44,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:44,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 13:12:44,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:44,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 13:12:44,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:12:44,653 INFO L87 Difference]: Start difference. First operand 6061 states and 7758 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-07 13:12:44,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:12:44,977 INFO L93 Difference]: Finished difference Result 15066 states and 19286 transitions. [2021-11-07 13:12:44,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 13:12:44,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 65 [2021-11-07 13:12:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:12:45,021 INFO L225 Difference]: With dead ends: 15066 [2021-11-07 13:12:45,022 INFO L226 Difference]: Without dead ends: 12025 [2021-11-07 13:12:45,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.94ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:12:45,036 INFO L933 BasicCegarLoop]: 3750 mSDtfsCounter, 1860 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.91ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.70ms IncrementalHoareTripleChecker+Time [2021-11-07 13:12:45,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1860 Valid, 5632 Invalid, 16 Unknown, 0 Unchecked, 9.91ms Time], IncrementalHoareTripleChecker [7 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 17.70ms Time] [2021-11-07 13:12:45,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12025 states. [2021-11-07 13:12:45,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12025 to 6073. [2021-11-07 13:12:45,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6073 states, 6072 states have (on average 1.2796442687747036) internal successors, (7770), 6072 states have internal predecessors, (7770), 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) [2021-11-07 13:12:45,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6073 states to 6073 states and 7770 transitions. [2021-11-07 13:12:45,322 INFO L78 Accepts]: Start accepts. Automaton has 6073 states and 7770 transitions. Word has length 65 [2021-11-07 13:12:45,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:12:45,324 INFO L470 AbstractCegarLoop]: Abstraction has 6073 states and 7770 transitions. [2021-11-07 13:12:45,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-07 13:12:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 6073 states and 7770 transitions. [2021-11-07 13:12:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 13:12:45,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:45,333 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1] [2021-11-07 13:12:45,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 13:12:45,333 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:45,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:45,339 INFO L85 PathProgramCache]: Analyzing trace with hash 622142579, now seen corresponding path program 1 times [2021-11-07 13:12:45,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:45,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712786984] [2021-11-07 13:12:45,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:45,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:12:45,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:45,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712786984] [2021-11-07 13:12:45,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712786984] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:45,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:12:45,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 13:12:45,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400932838] [2021-11-07 13:12:45,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:45,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 13:12:45,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:45,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 13:12:45,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:12:45,517 INFO L87 Difference]: Start difference. First operand 6073 states and 7770 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 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) [2021-11-07 13:12:46,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:12:46,236 INFO L93 Difference]: Finished difference Result 15072 states and 19271 transitions. [2021-11-07 13:12:46,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 13:12:46,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 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 [2021-11-07 13:12:46,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:12:46,262 INFO L225 Difference]: With dead ends: 15072 [2021-11-07 13:12:46,262 INFO L226 Difference]: Without dead ends: 9020 [2021-11-07 13:12:46,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.49ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:12:46,278 INFO L933 BasicCegarLoop]: 3707 mSDtfsCounter, 3639 mSDsluCounter, 3681 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 333.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 7388 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 72.00ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 368.10ms IncrementalHoareTripleChecker+Time [2021-11-07 13:12:46,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3639 Valid, 7388 Invalid, 78 Unknown, 0 Unchecked, 72.00ms Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 368.10ms Time] [2021-11-07 13:12:46,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9020 states. [2021-11-07 13:12:46,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9020 to 6055. [2021-11-07 13:12:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6055 states, 6054 states have (on average 1.2775024777006938) internal successors, (7734), 6054 states have internal predecessors, (7734), 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) [2021-11-07 13:12:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6055 states to 6055 states and 7734 transitions. [2021-11-07 13:12:46,486 INFO L78 Accepts]: Start accepts. Automaton has 6055 states and 7734 transitions. Word has length 67 [2021-11-07 13:12:46,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:12:46,487 INFO L470 AbstractCegarLoop]: Abstraction has 6055 states and 7734 transitions. [2021-11-07 13:12:46,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 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) [2021-11-07 13:12:46,487 INFO L276 IsEmpty]: Start isEmpty. Operand 6055 states and 7734 transitions. [2021-11-07 13:12:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 13:12:46,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:46,494 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:12:46,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 13:12:46,494 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:46,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:46,495 INFO L85 PathProgramCache]: Analyzing trace with hash 940016071, now seen corresponding path program 1 times [2021-11-07 13:12:46,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:46,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975284267] [2021-11-07 13:12:46,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:46,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:12:46,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:46,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975284267] [2021-11-07 13:12:46,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975284267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:46,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:12:46,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 13:12:46,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245931710] [2021-11-07 13:12:46,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:46,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 13:12:46,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:46,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 13:12:46,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:12:46,597 INFO L87 Difference]: Start difference. First operand 6055 states and 7734 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2021-11-07 13:12:47,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:12:47,438 INFO L93 Difference]: Finished difference Result 29192 states and 37315 transitions. [2021-11-07 13:12:47,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 13:12:47,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 81 [2021-11-07 13:12:47,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:12:47,503 INFO L225 Difference]: With dead ends: 29192 [2021-11-07 13:12:47,503 INFO L226 Difference]: Without dead ends: 23158 [2021-11-07 13:12:47,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.30ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 13:12:47,525 INFO L933 BasicCegarLoop]: 3643 mSDtfsCounter, 5404 mSDsluCounter, 5535 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5404 SdHoareTripleChecker+Valid, 9178 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.23ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.46ms IncrementalHoareTripleChecker+Time [2021-11-07 13:12:47,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5404 Valid, 9178 Invalid, 85 Unknown, 0 Unchecked, 20.23ms Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 76.46ms Time] [2021-11-07 13:12:47,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23158 states. [2021-11-07 13:12:47,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23158 to 6087. [2021-11-07 13:12:47,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6087 states, 6086 states have (on average 1.2760433782451528) internal successors, (7766), 6086 states have internal predecessors, (7766), 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) [2021-11-07 13:12:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6087 states to 6087 states and 7766 transitions. [2021-11-07 13:12:47,860 INFO L78 Accepts]: Start accepts. Automaton has 6087 states and 7766 transitions. Word has length 81 [2021-11-07 13:12:47,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:12:47,860 INFO L470 AbstractCegarLoop]: Abstraction has 6087 states and 7766 transitions. [2021-11-07 13:12:47,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2021-11-07 13:12:47,861 INFO L276 IsEmpty]: Start isEmpty. Operand 6087 states and 7766 transitions. [2021-11-07 13:12:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-07 13:12:47,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:47,867 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:12:47,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 13:12:47,868 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:47,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:47,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1292331796, now seen corresponding path program 1 times [2021-11-07 13:12:47,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:47,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007497431] [2021-11-07 13:12:47,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:47,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:48,080 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:12:48,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:48,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007497431] [2021-11-07 13:12:48,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007497431] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 13:12:48,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585975041] [2021-11-07 13:12:48,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:48,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 13:12:48,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 13:12:48,084 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) [2021-11-07 13:12:48,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 13:12:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:48,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 13:12:48,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:12:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:12:48,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 13:12:48,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585975041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:48,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 13:12:48,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-07 13:12:48,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849780179] [2021-11-07 13:12:48,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:48,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 13:12:48,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:48,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 13:12:48,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 13:12:48,793 INFO L87 Difference]: Start difference. First operand 6087 states and 7766 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2021-11-07 13:12:49,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:12:49,911 INFO L93 Difference]: Finished difference Result 18309 states and 23414 transitions. [2021-11-07 13:12:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 13:12:49,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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 88 [2021-11-07 13:12:49,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:12:49,957 INFO L225 Difference]: With dead ends: 18309 [2021-11-07 13:12:49,957 INFO L226 Difference]: Without dead ends: 15246 [2021-11-07 13:12:49,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 20.96ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 13:12:49,973 INFO L933 BasicCegarLoop]: 3922 mSDtfsCounter, 7182 mSDsluCounter, 5565 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 463.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7182 SdHoareTripleChecker+Valid, 9487 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.76ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 518.47ms IncrementalHoareTripleChecker+Time [2021-11-07 13:12:49,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7182 Valid, 9487 Invalid, 201 Unknown, 0 Unchecked, 16.76ms Time], IncrementalHoareTripleChecker [27 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 518.47ms Time] [2021-11-07 13:12:49,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15246 states. [2021-11-07 13:12:50,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15246 to 12157. [2021-11-07 13:12:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12157 states, 12156 states have (on average 1.278216518591642) internal successors, (15538), 12156 states have internal predecessors, (15538), 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) [2021-11-07 13:12:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12157 states to 12157 states and 15538 transitions. [2021-11-07 13:12:50,516 INFO L78 Accepts]: Start accepts. Automaton has 12157 states and 15538 transitions. Word has length 88 [2021-11-07 13:12:50,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:12:50,517 INFO L470 AbstractCegarLoop]: Abstraction has 12157 states and 15538 transitions. [2021-11-07 13:12:50,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2021-11-07 13:12:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 12157 states and 15538 transitions. [2021-11-07 13:12:50,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-07 13:12:50,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:50,524 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:12:50,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 13:12:50,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 13:12:50,740 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:50,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:50,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1769669515, now seen corresponding path program 1 times [2021-11-07 13:12:50,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:50,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511867392] [2021-11-07 13:12:50,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:50,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 13:12:50,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:50,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511867392] [2021-11-07 13:12:50,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511867392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:50,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:12:50,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 13:12:50,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670815121] [2021-11-07 13:12:50,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:50,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 13:12:50,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:50,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 13:12:50,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:12:50,856 INFO L87 Difference]: Start difference. First operand 12157 states and 15538 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2021-11-07 13:12:51,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:12:51,859 INFO L93 Difference]: Finished difference Result 42331 states and 54139 transitions. [2021-11-07 13:12:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 13:12:51,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 90 [2021-11-07 13:12:51,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:12:51,973 INFO L225 Difference]: With dead ends: 42331 [2021-11-07 13:12:51,974 INFO L226 Difference]: Without dead ends: 33198 [2021-11-07 13:12:52,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 13:12:52,019 INFO L933 BasicCegarLoop]: 5583 mSDtfsCounter, 3718 mSDsluCounter, 7450 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3718 SdHoareTripleChecker+Valid, 13033 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.38ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.20ms IncrementalHoareTripleChecker+Time [2021-11-07 13:12:52,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3718 Valid, 13033 Invalid, 84 Unknown, 0 Unchecked, 14.38ms Time], IncrementalHoareTripleChecker [9 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 75.20ms Time] [2021-11-07 13:12:52,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33198 states. [2021-11-07 13:12:52,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33198 to 12229. [2021-11-07 13:12:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12229 states, 12228 states have (on average 1.279031730454694) internal successors, (15640), 12228 states have internal predecessors, (15640), 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) [2021-11-07 13:12:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12229 states to 12229 states and 15640 transitions. [2021-11-07 13:12:52,671 INFO L78 Accepts]: Start accepts. Automaton has 12229 states and 15640 transitions. Word has length 90 [2021-11-07 13:12:52,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:12:52,671 INFO L470 AbstractCegarLoop]: Abstraction has 12229 states and 15640 transitions. [2021-11-07 13:12:52,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2021-11-07 13:12:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 12229 states and 15640 transitions. [2021-11-07 13:12:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-07 13:12:52,679 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:52,679 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:12:52,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 13:12:52,680 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:52,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:52,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1334233660, now seen corresponding path program 1 times [2021-11-07 13:12:52,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:52,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592543124] [2021-11-07 13:12:52,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:52,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:52,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 13:12:52,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:52,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592543124] [2021-11-07 13:12:52,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592543124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:52,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:12:52,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 13:12:52,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512326388] [2021-11-07 13:12:52,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:52,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 13:12:52,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:52,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 13:12:52,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:12:52,812 INFO L87 Difference]: Start difference. First operand 12229 states and 15640 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-07 13:12:53,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:12:53,948 INFO L93 Difference]: Finished difference Result 45653 states and 58315 transitions. [2021-11-07 13:12:53,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 13:12:53,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 92 [2021-11-07 13:12:53,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:12:54,134 INFO L225 Difference]: With dead ends: 45653 [2021-11-07 13:12:54,136 INFO L226 Difference]: Without dead ends: 33445 [2021-11-07 13:12:54,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.49ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 13:12:54,167 INFO L933 BasicCegarLoop]: 3531 mSDtfsCounter, 4888 mSDsluCounter, 5424 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4888 SdHoareTripleChecker+Valid, 8955 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.26ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.80ms IncrementalHoareTripleChecker+Time [2021-11-07 13:12:54,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4888 Valid, 8955 Invalid, 27 Unknown, 0 Unchecked, 10.26ms Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 30.80ms Time] [2021-11-07 13:12:54,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33445 states. [2021-11-07 13:12:54,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33445 to 12261. [2021-11-07 13:12:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12261 states, 12260 states have (on average 1.2783034257748775) internal successors, (15672), 12260 states have internal predecessors, (15672), 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) [2021-11-07 13:12:54,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12261 states to 12261 states and 15672 transitions. [2021-11-07 13:12:54,911 INFO L78 Accepts]: Start accepts. Automaton has 12261 states and 15672 transitions. Word has length 92 [2021-11-07 13:12:54,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:12:54,911 INFO L470 AbstractCegarLoop]: Abstraction has 12261 states and 15672 transitions. [2021-11-07 13:12:54,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-07 13:12:54,912 INFO L276 IsEmpty]: Start isEmpty. Operand 12261 states and 15672 transitions. [2021-11-07 13:12:54,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-07 13:12:54,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:12:54,920 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:12:54,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 13:12:54,920 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:12:54,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:12:54,921 INFO L85 PathProgramCache]: Analyzing trace with hash -736453507, now seen corresponding path program 1 times [2021-11-07 13:12:54,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:12:54,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564031870] [2021-11-07 13:12:54,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:54,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:12:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:12:56,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:12:56,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564031870] [2021-11-07 13:12:56,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564031870] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 13:12:56,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183315852] [2021-11-07 13:12:56,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:12:56,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 13:12:56,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 13:12:56,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 13:12:56,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 13:12:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:12:57,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-07 13:12:57,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:12:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:12:58,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 13:12:58,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183315852] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:12:58,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 13:12:58,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [22] total 31 [2021-11-07 13:12:58,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780604834] [2021-11-07 13:12:58,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:12:58,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 13:12:58,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:12:58,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 13:12:58,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2021-11-07 13:12:58,340 INFO L87 Difference]: Start difference. First operand 12261 states and 15672 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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) [2021-11-07 13:13:05,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:13:05,197 INFO L93 Difference]: Finished difference Result 104052 states and 133143 transitions. [2021-11-07 13:13:05,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 13:13:05,198 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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 93 [2021-11-07 13:13:05,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:13:05,395 INFO L225 Difference]: With dead ends: 104052 [2021-11-07 13:13:05,396 INFO L226 Difference]: Without dead ends: 91812 [2021-11-07 13:13:05,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1902.99ms TimeCoverageRelationStatistics Valid=340, Invalid=2740, Unknown=0, NotChecked=0, Total=3080 [2021-11-07 13:13:05,452 INFO L933 BasicCegarLoop]: 5375 mSDtfsCounter, 30248 mSDsluCounter, 40547 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 575.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30248 SdHoareTripleChecker+Valid, 45922 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 70.13ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 692.57ms IncrementalHoareTripleChecker+Time [2021-11-07 13:13:05,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30248 Valid, 45922 Invalid, 737 Unknown, 0 Unchecked, 70.13ms Time], IncrementalHoareTripleChecker [41 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 692.57ms Time] [2021-11-07 13:13:05,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91812 states. [2021-11-07 13:13:06,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91812 to 12309. [2021-11-07 13:13:06,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12309 states, 12308 states have (on average 1.2746181345466363) internal successors, (15688), 12308 states have internal predecessors, (15688), 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) [2021-11-07 13:13:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12309 states to 12309 states and 15688 transitions. [2021-11-07 13:13:06,788 INFO L78 Accepts]: Start accepts. Automaton has 12309 states and 15688 transitions. Word has length 93 [2021-11-07 13:13:06,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:13:06,789 INFO L470 AbstractCegarLoop]: Abstraction has 12309 states and 15688 transitions. [2021-11-07 13:13:06,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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) [2021-11-07 13:13:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 12309 states and 15688 transitions. [2021-11-07 13:13:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-07 13:13:06,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:13:06,796 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:13:06,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-07 13:13:07,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-07 13:13:07,002 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:13:07,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:13:07,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1492370141, now seen corresponding path program 1 times [2021-11-07 13:13:07,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:13:07,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716951242] [2021-11-07 13:13:07,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:13:07,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:13:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:13:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:13:07,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:13:07,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716951242] [2021-11-07 13:13:07,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716951242] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:13:07,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:13:07,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 13:13:07,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231401536] [2021-11-07 13:13:07,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:13:07,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 13:13:07,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:13:07,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 13:13:07,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:13:07,193 INFO L87 Difference]: Start difference. First operand 12309 states and 15688 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-11-07 13:13:08,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:13:08,513 INFO L93 Difference]: Finished difference Result 24613 states and 31385 transitions. [2021-11-07 13:13:08,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 13:13:08,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 95 [2021-11-07 13:13:08,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:13:08,532 INFO L225 Difference]: With dead ends: 24613 [2021-11-07 13:13:08,532 INFO L226 Difference]: Without dead ends: 12325 [2021-11-07 13:13:08,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:13:08,553 INFO L933 BasicCegarLoop]: 1907 mSDtfsCounter, 0 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3810 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.94ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.66ms IncrementalHoareTripleChecker+Time [2021-11-07 13:13:08,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3810 Invalid, 8 Unknown, 0 Unchecked, 4.94ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 11.66ms Time] [2021-11-07 13:13:08,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12325 states. [2021-11-07 13:13:09,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12325 to 12325. [2021-11-07 13:13:09,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12325 states, 12324 states have (on average 1.2742616033755274) internal successors, (15704), 12324 states have internal predecessors, (15704), 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) [2021-11-07 13:13:09,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12325 states to 12325 states and 15704 transitions. [2021-11-07 13:13:09,852 INFO L78 Accepts]: Start accepts. Automaton has 12325 states and 15704 transitions. Word has length 95 [2021-11-07 13:13:09,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:13:09,852 INFO L470 AbstractCegarLoop]: Abstraction has 12325 states and 15704 transitions. [2021-11-07 13:13:09,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-11-07 13:13:09,852 INFO L276 IsEmpty]: Start isEmpty. Operand 12325 states and 15704 transitions. [2021-11-07 13:13:09,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 13:13:09,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:13:09,859 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:13:09,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 13:13:09,859 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:13:09,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:13:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1269529461, now seen corresponding path program 1 times [2021-11-07 13:13:09,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:13:09,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508647537] [2021-11-07 13:13:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:13:09,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:13:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:13:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:13:10,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:13:10,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508647537] [2021-11-07 13:13:10,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508647537] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 13:13:10,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727082018] [2021-11-07 13:13:10,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:13:10,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 13:13:10,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 13:13:10,088 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 13:13:10,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 13:13:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:13:10,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 13:13:10,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:13:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:13:11,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:13:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:13:11,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727082018] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 13:13:11,302 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 13:13:11,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 13:13:11,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325736347] [2021-11-07 13:13:11,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 13:13:11,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 13:13:11,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:13:11,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 13:13:11,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-07 13:13:11,304 INFO L87 Difference]: Start difference. First operand 12325 states and 15704 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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) [2021-11-07 13:13:12,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:13:12,559 INFO L93 Difference]: Finished difference Result 24677 states and 31481 transitions. [2021-11-07 13:13:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 13:13:12,559 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 96 [2021-11-07 13:13:12,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:13:12,578 INFO L225 Difference]: With dead ends: 24677 [2021-11-07 13:13:12,578 INFO L226 Difference]: Without dead ends: 12373 [2021-11-07 13:13:12,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 55.68ms TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2021-11-07 13:13:12,597 INFO L933 BasicCegarLoop]: 1907 mSDtfsCounter, 0 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5713 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.69ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.96ms IncrementalHoareTripleChecker+Time [2021-11-07 13:13:12,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5713 Invalid, 38 Unknown, 0 Unchecked, 5.69ms Time], IncrementalHoareTripleChecker [16 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 38.96ms Time] [2021-11-07 13:13:12,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12373 states. [2021-11-07 13:13:13,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12373 to 12373. [2021-11-07 13:13:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12373 states, 12372 states have (on average 1.273197542838668) internal successors, (15752), 12372 states have internal predecessors, (15752), 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) [2021-11-07 13:13:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12373 states to 12373 states and 15752 transitions. [2021-11-07 13:13:13,587 INFO L78 Accepts]: Start accepts. Automaton has 12373 states and 15752 transitions. Word has length 96 [2021-11-07 13:13:13,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:13:13,588 INFO L470 AbstractCegarLoop]: Abstraction has 12373 states and 15752 transitions. [2021-11-07 13:13:13,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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) [2021-11-07 13:13:13,588 INFO L276 IsEmpty]: Start isEmpty. Operand 12373 states and 15752 transitions. [2021-11-07 13:13:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-07 13:13:13,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:13:13,593 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:13:13,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-07 13:13:13,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 13:13:13,794 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:13:13,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:13:13,794 INFO L85 PathProgramCache]: Analyzing trace with hash 627648733, now seen corresponding path program 2 times [2021-11-07 13:13:13,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:13:13,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873512593] [2021-11-07 13:13:13,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:13:13,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:13:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:13:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:13:14,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:13:14,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873512593] [2021-11-07 13:13:14,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873512593] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 13:13:14,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410222039] [2021-11-07 13:13:14,053 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 13:13:14,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 13:13:14,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 13:13:14,054 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 13:13:14,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 13:13:16,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 13:13:16,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 13:13:16,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 13:13:16,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:13:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:13:16,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:13:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:13:16,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410222039] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 13:13:16,542 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 13:13:16,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-07 13:13:16,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162479823] [2021-11-07 13:13:16,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 13:13:16,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 13:13:16,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:13:16,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 13:13:16,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-11-07 13:13:16,544 INFO L87 Difference]: Start difference. First operand 12373 states and 15752 transitions. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 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) [2021-11-07 13:13:17,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:13:17,925 INFO L93 Difference]: Finished difference Result 24821 states and 31673 transitions. [2021-11-07 13:13:17,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 13:13:17,926 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 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 99 [2021-11-07 13:13:17,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:13:17,943 INFO L225 Difference]: With dead ends: 24821 [2021-11-07 13:13:17,943 INFO L226 Difference]: Without dead ends: 12469 [2021-11-07 13:13:17,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 402.41ms TimeCoverageRelationStatistics Valid=110, Invalid=162, Unknown=0, NotChecked=0, Total=272 [2021-11-07 13:13:17,958 INFO L933 BasicCegarLoop]: 1907 mSDtfsCounter, 0 mSDsluCounter, 13321 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15228 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.58ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.31ms IncrementalHoareTripleChecker+Time [2021-11-07 13:13:17,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 15228 Invalid, 129 Unknown, 0 Unchecked, 8.58ms Time], IncrementalHoareTripleChecker [45 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 125.31ms Time] [2021-11-07 13:13:17,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12469 states. [2021-11-07 13:13:18,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12469 to 12469. [2021-11-07 13:13:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12469 states, 12468 states have (on average 1.2710940006416427) internal successors, (15848), 12468 states have internal predecessors, (15848), 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) [2021-11-07 13:13:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12469 states to 12469 states and 15848 transitions. [2021-11-07 13:13:18,920 INFO L78 Accepts]: Start accepts. Automaton has 12469 states and 15848 transitions. Word has length 99 [2021-11-07 13:13:18,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:13:18,920 INFO L470 AbstractCegarLoop]: Abstraction has 12469 states and 15848 transitions. [2021-11-07 13:13:18,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 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) [2021-11-07 13:13:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 12469 states and 15848 transitions. [2021-11-07 13:13:18,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 13:13:18,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:13:18,925 INFO L514 BasicCegarLoop]: trace histogram [10, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:13:18,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-07 13:13:19,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 13:13:19,126 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:13:19,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:13:19,126 INFO L85 PathProgramCache]: Analyzing trace with hash -789601827, now seen corresponding path program 3 times [2021-11-07 13:13:19,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:13:19,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301814990] [2021-11-07 13:13:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:13:19,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:13:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:13:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:13:19,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:13:19,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301814990] [2021-11-07 13:13:19,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301814990] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 13:13:19,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547276433] [2021-11-07 13:13:19,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 13:13:19,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 13:13:19,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 13:13:19,514 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 13:13:19,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 13:13:36,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-07 13:13:36,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 13:13:36,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-07 13:13:36,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:13:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:13:37,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:13:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 13:13:37,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547276433] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 13:13:37,442 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 13:13:37,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2021-11-07 13:13:37,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909592687] [2021-11-07 13:13:37,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 13:13:37,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 13:13:37,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:13:37,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 13:13:37,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2021-11-07 13:13:37,444 INFO L87 Difference]: Start difference. First operand 12469 states and 15848 transitions. Second operand has 25 states, 25 states have (on average 4.68) internal successors, (117), 25 states have internal predecessors, (117), 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) [2021-11-07 13:13:39,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:13:39,404 INFO L93 Difference]: Finished difference Result 25013 states and 31865 transitions. [2021-11-07 13:13:39,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 13:13:39,405 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.68) internal successors, (117), 25 states have internal predecessors, (117), 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 105 [2021-11-07 13:13:39,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:13:39,423 INFO L225 Difference]: With dead ends: 25013 [2021-11-07 13:13:39,424 INFO L226 Difference]: Without dead ends: 12565 [2021-11-07 13:13:39,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 834.55ms TimeCoverageRelationStatistics Valid=246, Invalid=566, Unknown=0, NotChecked=0, Total=812 [2021-11-07 13:13:39,442 INFO L933 BasicCegarLoop]: 1907 mSDtfsCounter, 0 mSDsluCounter, 20933 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 547.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22840 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.95ms SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 587.77ms IncrementalHoareTripleChecker+Time [2021-11-07 13:13:39,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22840 Invalid, 386 Unknown, 0 Unchecked, 10.95ms Time], IncrementalHoareTripleChecker [120 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 587.77ms Time] [2021-11-07 13:13:39,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12565 states. [2021-11-07 13:13:40,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12565 to 12565. [2021-11-07 13:13:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12565 states, 12564 states have (on average 1.2690226042661572) internal successors, (15944), 12564 states have internal predecessors, (15944), 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) [2021-11-07 13:13:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12565 states to 12565 states and 15944 transitions. [2021-11-07 13:13:40,373 INFO L78 Accepts]: Start accepts. Automaton has 12565 states and 15944 transitions. Word has length 105 [2021-11-07 13:13:40,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:13:40,373 INFO L470 AbstractCegarLoop]: Abstraction has 12565 states and 15944 transitions. [2021-11-07 13:13:40,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.68) internal successors, (117), 25 states have internal predecessors, (117), 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) [2021-11-07 13:13:40,374 INFO L276 IsEmpty]: Start isEmpty. Operand 12565 states and 15944 transitions. [2021-11-07 13:13:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-07 13:13:40,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:13:40,379 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:13:40,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-07 13:13:40,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-07 13:13:40,581 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:13:40,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:13:40,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1160069006, now seen corresponding path program 1 times [2021-11-07 13:13:40,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:13:40,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247143604] [2021-11-07 13:13:40,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:13:40,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:13:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:13:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 13:13:40,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:13:40,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247143604] [2021-11-07 13:13:40,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247143604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:13:40,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:13:40,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 13:13:40,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873929984] [2021-11-07 13:13:40,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:13:40,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 13:13:40,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:13:40,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 13:13:40,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:13:40,647 INFO L87 Difference]: Start difference. First operand 12565 states and 15944 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2021-11-07 13:13:42,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:13:42,257 INFO L93 Difference]: Finished difference Result 32131 states and 41136 transitions. [2021-11-07 13:13:42,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 13:13:42,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 109 [2021-11-07 13:13:42,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:13:42,285 INFO L225 Difference]: With dead ends: 32131 [2021-11-07 13:13:42,285 INFO L226 Difference]: Without dead ends: 19587 [2021-11-07 13:13:42,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:13:42,303 INFO L933 BasicCegarLoop]: 2754 mSDtfsCounter, 1661 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 163.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 3938 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.16ms SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 198.28ms IncrementalHoareTripleChecker+Time [2021-11-07 13:13:42,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1661 Valid, 3938 Invalid, 145 Unknown, 0 Unchecked, 5.16ms Time], IncrementalHoareTripleChecker [88 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 198.28ms Time] [2021-11-07 13:13:42,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19587 states. [2021-11-07 13:13:43,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19587 to 11957. [2021-11-07 13:13:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11957 states, 11956 states have (on average 1.257276681164269) internal successors, (15032), 11956 states have internal predecessors, (15032), 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) [2021-11-07 13:13:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11957 states to 11957 states and 15032 transitions. [2021-11-07 13:13:43,189 INFO L78 Accepts]: Start accepts. Automaton has 11957 states and 15032 transitions. Word has length 109 [2021-11-07 13:13:43,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:13:43,189 INFO L470 AbstractCegarLoop]: Abstraction has 11957 states and 15032 transitions. [2021-11-07 13:13:43,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2021-11-07 13:13:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 11957 states and 15032 transitions. [2021-11-07 13:13:43,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-07 13:13:43,195 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:13:43,195 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:13:43,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 13:13:43,195 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:13:43,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:13:43,196 INFO L85 PathProgramCache]: Analyzing trace with hash -663827244, now seen corresponding path program 1 times [2021-11-07 13:13:43,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:13:43,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885773207] [2021-11-07 13:13:43,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:13:43,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:13:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:13:43,286 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 13:13:43,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:13:43,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885773207] [2021-11-07 13:13:43,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885773207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:13:43,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:13:43,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 13:13:43,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931292109] [2021-11-07 13:13:43,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:13:43,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 13:13:43,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:13:43,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 13:13:43,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:13:43,289 INFO L87 Difference]: Start difference. First operand 11957 states and 15032 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2021-11-07 13:13:45,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:13:45,077 INFO L93 Difference]: Finished difference Result 34579 states and 43472 transitions. [2021-11-07 13:13:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 13:13:45,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 109 [2021-11-07 13:13:45,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:13:45,109 INFO L225 Difference]: With dead ends: 34579 [2021-11-07 13:13:45,110 INFO L226 Difference]: Without dead ends: 22643 [2021-11-07 13:13:45,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:13:45,127 INFO L933 BasicCegarLoop]: 3349 mSDtfsCounter, 1686 mSDsluCounter, 1671 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1686 SdHoareTripleChecker+Valid, 5020 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.93ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.62ms IncrementalHoareTripleChecker+Time [2021-11-07 13:13:45,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1686 Valid, 5020 Invalid, 15 Unknown, 0 Unchecked, 5.93ms Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 18.62ms Time] [2021-11-07 13:13:45,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22643 states. [2021-11-07 13:13:46,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22643 to 11941. [2021-11-07 13:13:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11941 states, 11940 states have (on average 1.2556113902847572) internal successors, (14992), 11940 states have internal predecessors, (14992), 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) [2021-11-07 13:13:46,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11941 states to 11941 states and 14992 transitions. [2021-11-07 13:13:46,041 INFO L78 Accepts]: Start accepts. Automaton has 11941 states and 14992 transitions. Word has length 109 [2021-11-07 13:13:46,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:13:46,041 INFO L470 AbstractCegarLoop]: Abstraction has 11941 states and 14992 transitions. [2021-11-07 13:13:46,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2021-11-07 13:13:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 11941 states and 14992 transitions. [2021-11-07 13:13:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-07 13:13:46,046 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:13:46,046 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:13:46,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 13:13:46,047 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:13:46,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:13:46,047 INFO L85 PathProgramCache]: Analyzing trace with hash 15445010, now seen corresponding path program 1 times [2021-11-07 13:13:46,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:13:46,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688217363] [2021-11-07 13:13:46,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:13:46,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:13:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:13:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 13:13:46,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:13:46,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688217363] [2021-11-07 13:13:46,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688217363] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:13:46,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:13:46,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-07 13:13:46,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639345602] [2021-11-07 13:13:46,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:13:46,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 13:13:46,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:13:46,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 13:13:46,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-07 13:13:46,380 INFO L87 Difference]: Start difference. First operand 11941 states and 14992 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2021-11-07 13:13:51,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:13:51,452 INFO L93 Difference]: Finished difference Result 56258 states and 70861 transitions. [2021-11-07 13:13:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 13:13:51,453 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 109 [2021-11-07 13:13:51,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:13:51,520 INFO L225 Difference]: With dead ends: 56258 [2021-11-07 13:13:51,521 INFO L226 Difference]: Without dead ends: 44338 [2021-11-07 13:13:51,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 381.45ms TimeCoverageRelationStatistics Valid=210, Invalid=492, Unknown=0, NotChecked=0, Total=702 [2021-11-07 13:13:51,547 INFO L933 BasicCegarLoop]: 4935 mSDtfsCounter, 11806 mSDsluCounter, 29591 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 404.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11806 SdHoareTripleChecker+Valid, 34526 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.81ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 489.07ms IncrementalHoareTripleChecker+Time [2021-11-07 13:13:51,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11806 Valid, 34526 Invalid, 586 Unknown, 0 Unchecked, 39.81ms Time], IncrementalHoareTripleChecker [34 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 489.07ms Time] [2021-11-07 13:13:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44338 states. [2021-11-07 13:13:52,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44338 to 11965. [2021-11-07 13:13:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11965 states, 11964 states have (on average 1.2550986292209962) internal successors, (15016), 11964 states have internal predecessors, (15016), 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) [2021-11-07 13:13:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11965 states to 11965 states and 15016 transitions. [2021-11-07 13:13:52,914 INFO L78 Accepts]: Start accepts. Automaton has 11965 states and 15016 transitions. Word has length 109 [2021-11-07 13:13:52,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:13:52,915 INFO L470 AbstractCegarLoop]: Abstraction has 11965 states and 15016 transitions. [2021-11-07 13:13:52,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2021-11-07 13:13:52,915 INFO L276 IsEmpty]: Start isEmpty. Operand 11965 states and 15016 transitions. [2021-11-07 13:13:52,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-07 13:13:52,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:13:52,921 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:13:52,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 13:13:52,921 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:13:52,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:13:52,922 INFO L85 PathProgramCache]: Analyzing trace with hash -511061056, now seen corresponding path program 1 times [2021-11-07 13:13:52,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:13:52,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508020336] [2021-11-07 13:13:52,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:13:52,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:13:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:13:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 13:13:53,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 13:13:53,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508020336] [2021-11-07 13:13:53,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508020336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 13:13:53,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:13:53,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-07 13:13:53,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699431085] [2021-11-07 13:13:53,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 13:13:53,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 13:13:53,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 13:13:53,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 13:13:53,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-07 13:13:53,224 INFO L87 Difference]: Start difference. First operand 11965 states and 15016 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2021-11-07 13:13:58,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:13:58,885 INFO L93 Difference]: Finished difference Result 56282 states and 70877 transitions. [2021-11-07 13:13:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 13:13:58,886 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 109 [2021-11-07 13:13:58,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:13:58,953 INFO L225 Difference]: With dead ends: 56282 [2021-11-07 13:13:58,953 INFO L226 Difference]: Without dead ends: 44338 [2021-11-07 13:13:58,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 357.97ms TimeCoverageRelationStatistics Valid=210, Invalid=492, Unknown=0, NotChecked=0, Total=702 [2021-11-07 13:13:58,974 INFO L933 BasicCegarLoop]: 4912 mSDtfsCounter, 13593 mSDsluCounter, 26239 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 341.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13593 SdHoareTripleChecker+Valid, 31151 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.73ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 412.62ms IncrementalHoareTripleChecker+Time [2021-11-07 13:13:58,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13593 Valid, 31151 Invalid, 558 Unknown, 0 Unchecked, 35.73ms Time], IncrementalHoareTripleChecker [34 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 412.62ms Time] [2021-11-07 13:13:59,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44338 states. [2021-11-07 13:14:00,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44338 to 11989. [2021-11-07 13:14:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11989 states, 11988 states have (on average 1.2545879212545878) internal successors, (15040), 11988 states have internal predecessors, (15040), 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) [2021-11-07 13:14:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11989 states to 11989 states and 15040 transitions. [2021-11-07 13:14:00,453 INFO L78 Accepts]: Start accepts. Automaton has 11989 states and 15040 transitions. Word has length 109 [2021-11-07 13:14:00,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:14:00,454 INFO L470 AbstractCegarLoop]: Abstraction has 11989 states and 15040 transitions. [2021-11-07 13:14:00,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2021-11-07 13:14:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 11989 states and 15040 transitions. [2021-11-07 13:14:00,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 13:14:00,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:14:00,459 INFO L514 BasicCegarLoop]: trace histogram [16, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:14:00,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 13:14:00,459 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:14:00,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:14:00,460 INFO L85 PathProgramCache]: Analyzing trace with hash 301423325, now seen corresponding path program 4 times [2021-11-07 13:14:00,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 13:14:00,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620000501] [2021-11-07 13:14:00,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:14:00,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 13:14:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 13:14:00,692 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 13:14:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 13:14:01,293 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 13:14:01,295 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-07 13:14:01,296 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-07 13:14:01,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 13:14:01,300 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:14:01,303 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 13:14:01,365 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,365 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,366 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,366 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,367 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,367 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,367 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,367 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,368 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,368 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,369 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,369 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,369 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,369 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,374 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,375 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,375 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,375 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,376 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,376 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,377 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,377 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,377 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,378 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,378 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,378 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,379 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,379 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,380 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,380 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,381 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,381 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,382 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,382 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,382 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,383 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,383 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,384 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,384 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,385 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,385 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,385 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,385 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,386 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,386 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,386 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,386 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,387 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,387 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,387 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,388 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,388 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,388 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,388 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,389 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,389 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,389 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,389 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,390 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,390 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,390 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,390 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,391 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,391 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,391 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,391 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,392 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,392 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,392 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,393 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,393 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,393 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,393 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,394 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,394 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,394 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,394 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,395 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,395 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,395 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,395 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,396 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,396 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,396 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,397 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,397 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,397 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,398 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,398 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,398 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,398 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,399 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,399 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,399 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,399 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,400 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,400 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,400 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,401 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,401 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,401 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,401 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,402 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,402 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,402 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,402 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,403 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,403 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,403 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,403 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,404 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,404 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,404 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,404 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,404 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,405 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,405 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,405 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,405 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,406 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,406 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,406 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,406 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,406 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,407 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,407 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,407 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,407 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,408 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,408 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,408 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,409 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,409 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,409 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,409 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,409 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,410 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,410 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,410 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,410 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,411 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,411 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,411 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,411 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,412 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,412 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,412 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,412 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,413 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,413 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,413 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,413 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,413 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,414 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,414 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,414 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,414 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,415 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,415 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,415 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,415 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,416 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,416 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,416 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,416 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,417 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,417 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,417 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,417 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,418 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,418 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,418 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,418 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,419 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,419 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,419 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,419 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,420 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,420 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,420 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,420 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,421 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,421 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,421 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,421 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,422 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,422 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,422 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,422 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,422 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,424 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,424 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,424 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,424 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,425 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,432 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,432 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,433 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,433 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,433 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,434 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,434 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,434 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,434 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,435 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,435 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,435 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,435 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,436 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,436 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,436 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,436 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,436 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,437 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,437 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,437 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,438 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,438 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,438 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,439 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,439 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,439 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,439 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,440 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,441 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,441 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,441 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,442 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,442 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,442 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,442 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,443 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,443 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,443 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,443 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,444 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,444 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,444 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,444 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,447 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,447 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,447 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,449 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,451 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,451 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,451 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,452 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,452 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,452 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,452 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,453 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,453 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,453 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,453 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,454 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,454 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,454 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,455 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,455 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,455 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,455 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,456 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,456 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,456 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,456 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-11-07 13:14:01,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-11-07 13:14:01,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:14:01 BoogieIcfgContainer [2021-11-07 13:14:01,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 13:14:01,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 13:14:01,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 13:14:01,637 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 13:14:01,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:12:41" (3/4) ... [2021-11-07 13:14:01,641 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 13:14:01,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 13:14:01,642 INFO L158 Benchmark]: Toolchain (without parser) took 87827.87ms. Allocated memory was 86.0MB in the beginning and 5.0GB in the end (delta: 4.9GB). Free memory was 59.8MB in the beginning and 2.0GB in the end (delta: -2.0GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2021-11-07 13:14:01,642 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-07 13:14:01,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1681.73ms. Allocated memory was 86.0MB in the beginning and 157.3MB in the end (delta: 71.3MB). Free memory was 59.5MB in the beginning and 105.3MB in the end (delta: -45.7MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2021-11-07 13:14:01,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 339.31ms. Allocated memory is still 157.3MB. Free memory was 105.3MB in the beginning and 70.8MB in the end (delta: 34.5MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2021-11-07 13:14:01,644 INFO L158 Benchmark]: Boogie Preprocessor took 446.33ms. Allocated memory is still 157.3MB. Free memory was 70.8MB in the beginning and 61.4MB in the end (delta: 9.4MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2021-11-07 13:14:01,647 INFO L158 Benchmark]: RCFGBuilder took 5066.74ms. Allocated memory was 157.3MB in the beginning and 476.1MB in the end (delta: 318.8MB). Free memory was 61.4MB in the beginning and 297.4MB in the end (delta: -236.1MB). Peak memory consumption was 188.7MB. Max. memory is 16.1GB. [2021-11-07 13:14:01,648 INFO L158 Benchmark]: TraceAbstraction took 80278.90ms. Allocated memory was 476.1MB in the beginning and 5.0GB in the end (delta: 4.5GB). Free memory was 296.4MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2021-11-07 13:14:01,648 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 5.0GB. Free memory is still 2.0GB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-07 13:14:01,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1681.73ms. Allocated memory was 86.0MB in the beginning and 157.3MB in the end (delta: 71.3MB). Free memory was 59.5MB in the beginning and 105.3MB in the end (delta: -45.7MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 339.31ms. Allocated memory is still 157.3MB. Free memory was 105.3MB in the beginning and 70.8MB in the end (delta: 34.5MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 446.33ms. Allocated memory is still 157.3MB. Free memory was 70.8MB in the beginning and 61.4MB in the end (delta: 9.4MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5066.74ms. Allocated memory was 157.3MB in the beginning and 476.1MB in the end (delta: 318.8MB). Free memory was 61.4MB in the beginning and 297.4MB in the end (delta: -236.1MB). Peak memory consumption was 188.7MB. Max. memory is 16.1GB. * TraceAbstraction took 80278.90ms. Allocated memory was 476.1MB in the beginning and 5.0GB in the end (delta: 4.5GB). Free memory was 296.4MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 5.0GB. Free memory is still 2.0GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 5649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5773, overapproximation of bitwiseOr at line 5854, overapproximation of bitwiseAnd at line 6497. Possible FailurePath: [L5672] int LDV_IN_INTERRUPT = 1; [L5673] int ref_cnt ; [L5674] struct phy_device *dp83640_driver_group0 ; [L5675] int ldv_state_variable_1 ; [L5676] struct sk_buff *dp83640_driver_group1 ; [L5677] int ldv_state_variable_0 ; [L5717] static int chosen_phy = -1; [L5718-L5720] static ushort gpio_tab[8U] = { 1U, 2U, 3U, 4U, 8U, 9U, 10U, 11U}; [L5772] static struct list_head phyter_clocks = {& phyter_clocks, & phyter_clocks}; [L5773-L5776] static struct mutex phyter_clocks_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "phyter_clocks_lock.wait_lock", 0, 0UL}}}}, {& phyter_clocks_lock.wait_list, & phyter_clocks_lock.wait_list}, 0, 0, (void *)(& phyter_clocks_lock), {0, {0, 0}, "phyter_clocks_lock", 0, 0UL}}; [L6084-L6085] static u8 status_frame_dst[6U] = { 1U, 27U, 25U, 0U, 0U, 0U}; [L6086-L6087] static u8 status_frame_src[6U] = { 8U, 0U, 23U, 11U, 107U, 15U}; [L7237-L7242] static struct phy_driver dp83640_driver = {536894689U, (char *)"NatSemi DP83640", 4294967280U, 719U, 1U, 0, & dp83640_config_init, & dp83640_probe, 0, 0, & genphy_config_aneg, 0, & genphy_read_status, & dp83640_ack_interrupt, & dp83640_config_intr, 0, & dp83640_remove, 0, & dp83640_ts_info, & dp83640_hwtstamp, & dp83640_rxtstamp, & dp83640_txtstamp, 0, 0, {0, 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L7259] struct mdio_device_id const __mod_mdio__dp83640_tbl_device_table ; [L7260] int ldv_retval_0 ; [L7261] int ldv_retval_1 ; [L7590] Element set_impl[15] ; [L7591] int last_index = 0; [L7725] Set LDV_SKBS ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7278] int ldvarg1 ; [L7279] int tmp ; [L7280] struct ifreq *ldvarg3 ; [L7281] void *tmp___0 ; [L7282] struct ethtool_ts_info *ldvarg0 ; [L7283] void *tmp___1 ; [L7284] int ldvarg2 ; [L7285] int tmp___2 ; [L7286] int tmp___3 ; [L7287] int tmp___4 ; [L7288] int tmp___5 ; [L7290] tmp = __VERIFIER_nondet_int() [L7291] ldvarg1 = tmp [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7292] tmp___0 = ldv_zalloc(40UL) [L7293] ldvarg3 = (struct ifreq *)tmp___0 [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7294] tmp___1 = ldv_zalloc(44UL) [L7295] ldvarg0 = (struct ethtool_ts_info *)tmp___1 [L7296] tmp___2 = __VERIFIER_nondet_int() [L7297] ldvarg2 = tmp___2 [L7596] set = set_impl [L7597] last_index = 0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7299] ldv_state_variable_1 = 0 [L7300] ref_cnt = 0 [L7301] ldv_state_variable_0 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: [L7450] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7451] COND TRUE ldv_state_variable_0 == 1 [L7245] int tmp ; [L7899] return __VERIFIER_nondet_int(); [L7247] tmp = phy_driver_register(& dp83640_driver) [L7248] return (tmp); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7452] ldv_retval_1 = dp83640_init() [L7453] COND TRUE ldv_retval_1 == 0 [L7454] ldv_state_variable_0 = 3 [L7455] ldv_state_variable_1 = 1 [L7266] void *tmp ; [L7267] void *tmp___0 ; [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7269] tmp = ldv_zalloc(2048UL) [L7270] dp83640_driver_group0 = (struct phy_device *)tmp [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7271] tmp___0 = ldv_zalloc(232UL) [L7272] dp83640_driver_group1 = (struct sk_buff *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7459] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7306] COND TRUE ldv_state_variable_1 != 0 [L7307] tmp___4 = __VERIFIER_nondet_int() [L7309] case 0: [L7321] case 1: [L7332] case 2: [L7344] case 3: [L7356] case 4: [L7368] case 5: [L7380] case 6: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7381] COND TRUE ldv_state_variable_1 == 1 [L7172] struct dp83640_private *dp83640 ; [L7173] bool tmp ; [L7175] EXPR phydev->priv [L7175] dp83640 = (struct dp83640_private *)phydev->priv [L7176] EXPR dp83640->hwts_rx_en VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7176] COND FALSE !(dp83640->hwts_rx_en == 0) [L6126] struct ethhdr *h ; [L6127] struct ethhdr *tmp ; [L6128] int tmp___0 ; [L5681] unsigned char *tmp ; [L5577] EXPR skb->head [L5577] EXPR skb->mac_header [L5577] return ((unsigned char *)skb->head + (unsigned long )skb->mac_header); [L5683] tmp = skb_mac_header(skb) [L5684] return ((struct ethhdr *)tmp); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6130] tmp = eth_hdr((struct sk_buff const *)skb) [L6131] h = tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6132] COND TRUE type == 50 [L6133-L6134] tmp___0 = memcmp((void const *)(& h->h_source), (void const *)(& status_frame_src), 6UL) [L6135] COND TRUE tmp___0 == 0 [L6136] return (1); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7180] tmp = is_status_frame(skb, type) [L7181] COND TRUE (int )tmp [L6482] struct phy_rxts *phy_rxts ; [L6483] struct phy_txts *phy_txts ; [L6484] u8 *ptr ; [L6485] int len ; [L6486] int size ; [L6487] u16 ests ; [L6488] u16 type ; [L6489] unsigned int tmp ; [L6491] EXPR skb->data [L6491] ptr = skb->data + 2U [L5571] EXPR skb->len [L5571] EXPR skb->data_len [L5571] return ((unsigned int )skb->len - (unsigned int )skb->data_len); [L6492] tmp = skb_headlen((struct sk_buff const *)skb) [L6493] len = (int )(tmp - 2U) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6520] COND TRUE (unsigned int )len > 2U VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6496] EXPR \read(*ptr) [L6496] type = *((u16 *)ptr) [L6497] ests = (unsigned int )type & 4095U [L6498] type = (unsigned int )type & 61440U [L6499] len = (int )((unsigned int )len - 2U) [L6500] ptr = ptr + 2UL VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6501] COND FALSE !((unsigned int )type == 8192U && (unsigned int )len > 11U) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6506] COND TRUE (unsigned int )type == 4096U && (unsigned int )len > 7U [L6507] phy_txts = (struct phy_txts *)ptr [L6451] struct skb_shared_hwtstamps shhwtstamps ; [L6452] struct sk_buff *skb ; [L6453] u64 ns ; [L6454] struct _ddebug descriptor ; [L6455] long tmp ; [L7537] struct sk_buff *tmp ; [L7728] void *skb ; [L7729] void *tmp___7 ; [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND FALSE !(tmp___0 != 0) [L5621] tmp = calloc(1UL, size) [L5622] p = tmp [L5590] COND FALSE !(!cond) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7494] bool tmp ; [L7692] return ((unsigned long )ptr > 2012UL); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7496] tmp = ldv_is_err(ptr) [L7497] return (tmp); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L5590] COND FALSE !(!cond) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L5625] return (p); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7731] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L7732] skb = (struct sk_buff___0 *)tmp___7 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7733] COND FALSE !(! skb) [L7604] int i ; [L7606] i = 0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7607] COND TRUE 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7608] COND FALSE !(i < last_index) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7618] COND TRUE last_index < 15 [L7619] set_impl[last_index] = e [L7620] last_index = last_index + 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7737] return (skb); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7539] tmp = ldv_skb_alloc() [L7540] return (tmp); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6457] skb = ldv_skb_dequeue_12(& dp83640->tx_queue) [L6458] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) [L5850] u64 ns ; [L5851] u32 sec ; [L5853] EXPR p->sec_lo [L5853] sec = (u32 )p->sec_lo [L5854] EXPR p->sec_hi [L5854] sec = (u32 )((int )p->sec_hi << 16) | sec [L5855] EXPR p->ns_lo [L5855] ns = (u64 )p->ns_lo [L5856] EXPR p->ns_hi [L5856] ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns [L5857] ns = (unsigned long long )sec * 1000000000ULL + ns [L5858] return (ns); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6473] ns = phy2txts(phy_txts) [L5415] ktime_t ktime_zero ; [L5416] ktime_t __constr_expr_0 ; [L5418] ktime_zero.tv64 = 0LL [L5419] EXPR ktime_zero.tv64 [L5419] __constr_expr_0.tv64 = (long long )((unsigned long long )ktime_zero.tv64 + ns) [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6475] shhwtstamps.hwtstamp = ns_to_ktime(ns) [L6477] return; [L6477] return; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6509] size = 8 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6517] ptr = ptr + (unsigned long )size [L6518] len = len - size VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L6520] COND FALSE !((unsigned int )len > 2U) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7629] int i ; [L7630] int deleted_index ; [L7632] deleted_index = -1 [L7633] i = 0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7634] COND TRUE 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7635] COND TRUE i < last_index VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7639] EXPR set_impl[i] VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7639] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L7644] i = i + 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7634] COND TRUE 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7635] COND FALSE !(i < last_index) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7646] COND FALSE !(deleted_index != -1) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7184] return (1); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7383] ldv_state_variable_1 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7386] COND FALSE !(ldv_state_variable_1 == 2) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7443] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L6625] struct dp83640_clock *clock ; [L6626] struct list_head *this ; [L6627] struct list_head *next ; [L6628] struct list_head const *__mptr ; [L6629] int tmp ; [L6632] EXPR phyter_clocks.next [L6632] this = phyter_clocks.next [L6633] EXPR this->next [L6633] next = this->next [L6656] COND FALSE !((unsigned long )this != (unsigned long )(& phyter_clocks)) [L7445] ldv_state_variable_0 = 2 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7795] int tmp___7 ; [L7686] return (last_index == 0); VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L7797] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7798] COND FALSE !(\read(tmp___7)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] [L5649] reach_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551713:18446744073709551712}, chosen_phy=-1, dp83640_driver={82:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={66:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={62:0}, phyter_clocks_lock={65:0}, ref_cnt=0, set_impl={81:0}, status_frame_dst={74:0}, status_frame_src={78:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1507 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 79880.21ms, OverallIterations: 20, TraceHistogramMax: 16, PathProgramHistogramMax: 4, EmptinessCheckTime: 129.18ms, AutomataDifference: 34853.72ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 38.05ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90447 SdHoareTripleChecker+Valid, 4225.13ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90447 mSDsluCounter, 239763 SdHoareTripleChecker+Invalid, 3635.82ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 179031 mSDsCounter, 499 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2896 IncrementalHoareTripleChecker+Invalid, 3395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 499 mSolverCounterUnsat, 60732 mSDtfsCounter, 2896 mSolverCounterSat, 369.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 979 GetRequests, 797 SyntacticMatches, 2 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 4033.04ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12565occurred in iteration=15, InterpolantAutomatonStates: 155, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 13689.00ms AutomataMinimizationTime, 19 MinimizatonAttempts, 233847 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 425.67ms SsaConstructionTime, 21939.57ms SatisfiabilityAnalysisTime, 5706.77ms InterpolantComputationTime, 2158 NumberOfCodeBlocks, 2158 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 2320 ConstructedInterpolants, 0 QuantifiedInterpolants, 5823 SizeOfPredicates, 30 NumberOfNonLiveVariables, 6212 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 27 InterpolantComputations, 16 PerfectInterpolantSequences, 293/495 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 13:14:01,720 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 13:14:03,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 13:14:03,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 13:14:03,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 13:14:03,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 13:14:03,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 13:14:03,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 13:14:03,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 13:14:03,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 13:14:03,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 13:14:03,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 13:14:03,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 13:14:03,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 13:14:03,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 13:14:03,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 13:14:03,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 13:14:03,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 13:14:03,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 13:14:03,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 13:14:03,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 13:14:03,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 13:14:03,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 13:14:03,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 13:14:03,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 13:14:03,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 13:14:03,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 13:14:03,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 13:14:03,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 13:14:03,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 13:14:03,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 13:14:03,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 13:14:03,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 13:14:03,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 13:14:03,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 13:14:03,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 13:14:03,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 13:14:03,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 13:14:03,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 13:14:03,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 13:14:03,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 13:14:03,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 13:14:03,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-07 13:14:04,016 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 13:14:04,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 13:14:04,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 13:14:04,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 13:14:04,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 13:14:04,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 13:14:04,020 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 13:14:04,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 13:14:04,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 13:14:04,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 13:14:04,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 13:14:04,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 13:14:04,021 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 13:14:04,021 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 13:14:04,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 13:14:04,022 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 13:14:04,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 13:14:04,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 13:14:04,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 13:14:04,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 13:14:04,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 13:14:04,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 13:14:04,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 13:14:04,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 13:14:04,023 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-07 13:14:04,023 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 13:14:04,023 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 13:14:04,023 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 13:14:04,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 13:14:04,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 13:14:04,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 13:14:04,024 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2021-11-07 13:14:04,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 13:14:04,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 13:14:04,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 13:14:04,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 13:14:04,362 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 13:14:04,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-11-07 13:14:04,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d025ea455/73cab18d2cb94372af7d6d65c908ce34/FLAG95ff2b3d5 [2021-11-07 13:14:05,182 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 13:14:05,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-11-07 13:14:05,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d025ea455/73cab18d2cb94372af7d6d65c908ce34/FLAG95ff2b3d5 [2021-11-07 13:14:05,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d025ea455/73cab18d2cb94372af7d6d65c908ce34 [2021-11-07 13:14:05,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 13:14:05,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 13:14:05,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 13:14:05,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 13:14:05,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 13:14:05,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:14:05" (1/1) ... [2021-11-07 13:14:05,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d42d06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:05, skipping insertion in model container [2021-11-07 13:14:05,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:14:05" (1/1) ... [2021-11-07 13:14:05,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 13:14:05,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 13:14:06,463 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2021-11-07 13:14:07,063 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-07 13:14:07,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 13:14:07,105 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 13:14:07,243 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2021-11-07 13:14:07,414 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-07 13:14:07,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 13:14:07,482 INFO L208 MainTranslator]: Completed translation [2021-11-07 13:14:07,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07 WrapperNode [2021-11-07 13:14:07,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 13:14:07,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 13:14:07,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 13:14:07,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 13:14:07,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (1/1) ... [2021-11-07 13:14:07,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (1/1) ... [2021-11-07 13:14:07,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 13:14:07,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 13:14:07,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 13:14:07,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 13:14:07,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (1/1) ... [2021-11-07 13:14:07,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (1/1) ... [2021-11-07 13:14:07,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (1/1) ... [2021-11-07 13:14:07,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (1/1) ... [2021-11-07 13:14:08,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (1/1) ... [2021-11-07 13:14:08,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (1/1) ... [2021-11-07 13:14:08,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (1/1) ... [2021-11-07 13:14:08,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 13:14:08,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 13:14:08,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 13:14:08,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 13:14:08,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (1/1) ... [2021-11-07 13:14:08,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 13:14:08,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 13:14:08,385 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) [2021-11-07 13:14:08,407 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 [2021-11-07 13:14:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 13:14:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 13:14:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 13:14:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 13:14:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 13:14:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 13:14:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 13:14:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 13:14:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 13:14:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-07 13:14:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 13:14:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 13:14:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 13:14:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 13:14:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 13:14:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 13:14:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 13:14:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 13:14:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 13:14:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 13:14:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 13:14:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 13:14:26,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 13:14:26,862 INFO L299 CfgBuilder]: Removed 1870 assume(true) statements. [2021-11-07 13:14:26,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:14:26 BoogieIcfgContainer [2021-11-07 13:14:26,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 13:14:26,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 13:14:26,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 13:14:26,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 13:14:26,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:14:05" (1/3) ... [2021-11-07 13:14:26,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215f7910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:14:26, skipping insertion in model container [2021-11-07 13:14:26,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:14:07" (2/3) ... [2021-11-07 13:14:26,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215f7910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:14:26, skipping insertion in model container [2021-11-07 13:14:26,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:14:26" (3/3) ... [2021-11-07 13:14:26,872 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-11-07 13:14:26,876 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 13:14:26,876 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 13:14:26,920 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 13:14:26,925 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 [2021-11-07 13:14:26,926 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 13:14:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 1507 states, 1505 states have (on average 1.307641196013289) internal successors, (1968), 1506 states have internal predecessors, (1968), 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) [2021-11-07 13:14:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 13:14:26,980 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:14:26,981 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] [2021-11-07 13:14:26,982 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:14:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:14:26,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1861169288, now seen corresponding path program 1 times [2021-11-07 13:14:27,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:14:27,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551409693] [2021-11-07 13:14:27,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:14:27,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:14:27,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:14:27,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:14:27,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 13:14:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:14:27,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 13:14:27,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:14:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:14:27,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:14:27,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:14:27,853 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:14:27,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551409693] [2021-11-07 13:14:27,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [551409693] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:14:27,854 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:14:27,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 13:14:27,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116604412] [2021-11-07 13:14:27,856 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:14:27,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 13:14:27,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:14:27,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 13:14:27,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:14:27,889 INFO L87 Difference]: Start difference. First operand has 1507 states, 1505 states have (on average 1.307641196013289) internal successors, (1968), 1506 states have internal predecessors, (1968), 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 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-11-07 13:14:29,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 13:14:30,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:14:30,329 INFO L93 Difference]: Finished difference Result 5892 states and 7703 transitions. [2021-11-07 13:14:30,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 13:14:30,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 21 [2021-11-07 13:14:30,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:14:30,360 INFO L225 Difference]: With dead ends: 5892 [2021-11-07 13:14:30,360 INFO L226 Difference]: Without dead ends: 4376 [2021-11-07 13:14:30,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.96ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:14:30,371 INFO L933 BasicCegarLoop]: 1918 mSDtfsCounter, 3713 mSDsluCounter, 5627 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2133.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3713 SdHoareTripleChecker+Valid, 7545 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.13ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2166.92ms IncrementalHoareTripleChecker+Time [2021-11-07 13:14:30,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3713 Valid, 7545 Invalid, 31 Unknown, 0 Unchecked, 63.13ms Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 2166.92ms Time] [2021-11-07 13:14:30,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4376 states. [2021-11-07 13:14:30,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4376 to 4376. [2021-11-07 13:14:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4376 states, 4375 states have (on average 1.277942857142857) internal successors, (5591), 4375 states have internal predecessors, (5591), 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) [2021-11-07 13:14:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 4376 states and 5591 transitions. [2021-11-07 13:14:30,557 INFO L78 Accepts]: Start accepts. Automaton has 4376 states and 5591 transitions. Word has length 21 [2021-11-07 13:14:30,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:14:30,557 INFO L470 AbstractCegarLoop]: Abstraction has 4376 states and 5591 transitions. [2021-11-07 13:14:30,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-11-07 13:14:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 4376 states and 5591 transitions. [2021-11-07 13:14:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 13:14:30,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:14:30,559 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] [2021-11-07 13:14:30,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 13:14:30,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:14:30,777 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:14:30,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:14:30,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1125897843, now seen corresponding path program 1 times [2021-11-07 13:14:30,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:14:30,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175230800] [2021-11-07 13:14:30,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:14:30,779 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:14:30,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:14:30,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:14:30,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 13:14:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:14:31,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 13:14:31,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:14:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:14:31,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:14:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:14:31,603 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:14:31,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175230800] [2021-11-07 13:14:31,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175230800] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:14:31,603 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:14:31,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-07 13:14:31,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842369079] [2021-11-07 13:14:31,604 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:14:31,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 13:14:31,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:14:31,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 13:14:31,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 13:14:31,606 INFO L87 Difference]: Start difference. First operand 4376 states and 5591 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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) [2021-11-07 13:14:32,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:14:32,643 INFO L93 Difference]: Finished difference Result 13084 states and 16726 transitions. [2021-11-07 13:14:32,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 13:14:32,644 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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 22 [2021-11-07 13:14:32,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:14:32,684 INFO L225 Difference]: With dead ends: 13084 [2021-11-07 13:14:32,684 INFO L226 Difference]: Without dead ends: 8713 [2021-11-07 13:14:32,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 121.86ms TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-07 13:14:32,697 INFO L933 BasicCegarLoop]: 1884 mSDtfsCounter, 1883 mSDsluCounter, 9388 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 548.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 11272 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.62ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 640.23ms IncrementalHoareTripleChecker+Time [2021-11-07 13:14:32,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1883 Valid, 11272 Invalid, 184 Unknown, 0 Unchecked, 22.62ms Time], IncrementalHoareTripleChecker [5 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 640.23ms Time] [2021-11-07 13:14:32,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8713 states. [2021-11-07 13:14:32,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8713 to 8677. [2021-11-07 13:14:32,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8677 states, 8676 states have (on average 1.2772014753342553) internal successors, (11081), 8676 states have internal predecessors, (11081), 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) [2021-11-07 13:14:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8677 states to 8677 states and 11081 transitions. [2021-11-07 13:14:33,001 INFO L78 Accepts]: Start accepts. Automaton has 8677 states and 11081 transitions. Word has length 22 [2021-11-07 13:14:33,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:14:33,002 INFO L470 AbstractCegarLoop]: Abstraction has 8677 states and 11081 transitions. [2021-11-07 13:14:33,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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) [2021-11-07 13:14:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 8677 states and 11081 transitions. [2021-11-07 13:14:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 13:14:33,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:14:33,010 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] [2021-11-07 13:14:33,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 13:14:33,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:14:33,223 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:14:33,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:14:33,223 INFO L85 PathProgramCache]: Analyzing trace with hash -811032581, now seen corresponding path program 1 times [2021-11-07 13:14:33,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:14:33,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293921806] [2021-11-07 13:14:33,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:14:33,225 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:14:33,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:14:33,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:14:33,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 13:14:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:14:33,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 13:14:33,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:14:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:14:33,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:14:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:14:34,086 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:14:34,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293921806] [2021-11-07 13:14:34,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293921806] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:14:34,087 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:14:34,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 13:14:34,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480642739] [2021-11-07 13:14:34,087 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:14:34,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 13:14:34,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:14:34,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 13:14:34,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:14:34,088 INFO L87 Difference]: Start difference. First operand 8677 states and 11081 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-07 13:14:34,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:14:34,691 INFO L93 Difference]: Finished difference Result 17437 states and 22285 transitions. [2021-11-07 13:14:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 13:14:34,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-07 13:14:34,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:14:34,732 INFO L225 Difference]: With dead ends: 17437 [2021-11-07 13:14:34,732 INFO L226 Difference]: Without dead ends: 8781 [2021-11-07 13:14:34,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:14:34,755 INFO L933 BasicCegarLoop]: 1930 mSDtfsCounter, 62 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 320.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 3756 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.90ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 380.38ms IncrementalHoareTripleChecker+Time [2021-11-07 13:14:34,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 3756 Invalid, 62 Unknown, 0 Unchecked, 4.90ms Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 380.38ms Time] [2021-11-07 13:14:34,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8781 states. [2021-11-07 13:14:35,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8781 to 8750. [2021-11-07 13:14:35,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8750 states, 8749 states have (on average 1.2783175220025145) internal successors, (11184), 8749 states have internal predecessors, (11184), 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) [2021-11-07 13:14:35,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8750 states to 8750 states and 11184 transitions. [2021-11-07 13:14:35,164 INFO L78 Accepts]: Start accepts. Automaton has 8750 states and 11184 transitions. Word has length 51 [2021-11-07 13:14:35,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:14:35,164 INFO L470 AbstractCegarLoop]: Abstraction has 8750 states and 11184 transitions. [2021-11-07 13:14:35,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-07 13:14:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 8750 states and 11184 transitions. [2021-11-07 13:14:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 13:14:35,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:14:35,175 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-07 13:14:35,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 13:14:35,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:14:35,396 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:14:35,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:14:35,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1067535698, now seen corresponding path program 1 times [2021-11-07 13:14:35,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:14:35,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107513348] [2021-11-07 13:14:35,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:14:35,398 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:14:35,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:14:35,399 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:14:35,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 13:14:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:14:35,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 13:14:35,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:14:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:14:36,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:14:36,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 13:14:36,347 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:14:36,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107513348] [2021-11-07 13:14:36,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107513348] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:14:36,348 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:14:36,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 13:14:36,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066857893] [2021-11-07 13:14:36,348 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:14:36,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 13:14:36,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:14:36,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 13:14:36,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:14:36,350 INFO L87 Difference]: Start difference. First operand 8750 states and 11184 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-07 13:14:38,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 13:14:38,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:14:38,981 INFO L93 Difference]: Finished difference Result 17775 states and 22863 transitions. [2021-11-07 13:14:38,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 13:14:38,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 65 [2021-11-07 13:14:38,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:14:39,014 INFO L225 Difference]: With dead ends: 17775 [2021-11-07 13:14:39,014 INFO L226 Difference]: Without dead ends: 9046 [2021-11-07 13:14:39,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.16ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:14:39,031 INFO L933 BasicCegarLoop]: 1911 mSDtfsCounter, 973 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2344.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.32ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2410.37ms IncrementalHoareTripleChecker+Time [2021-11-07 13:14:39,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [973 Valid, 2856 Invalid, 100 Unknown, 0 Unchecked, 5.32ms Time], IncrementalHoareTripleChecker [37 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 2410.37ms Time] [2021-11-07 13:14:39,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9046 states. [2021-11-07 13:14:39,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9046 to 9028. [2021-11-07 13:14:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9028 states, 9027 states have (on average 1.2810457516339868) internal successors, (11564), 9027 states have internal predecessors, (11564), 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) [2021-11-07 13:14:39,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9028 states to 9028 states and 11564 transitions. [2021-11-07 13:14:39,357 INFO L78 Accepts]: Start accepts. Automaton has 9028 states and 11564 transitions. Word has length 65 [2021-11-07 13:14:39,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:14:39,357 INFO L470 AbstractCegarLoop]: Abstraction has 9028 states and 11564 transitions. [2021-11-07 13:14:39,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-07 13:14:39,358 INFO L276 IsEmpty]: Start isEmpty. Operand 9028 states and 11564 transitions. [2021-11-07 13:14:39,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 13:14:39,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:14:39,365 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-07 13:14:39,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 13:14:39,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:14:39,579 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:14:39,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:14:39,580 INFO L85 PathProgramCache]: Analyzing trace with hash 104367796, now seen corresponding path program 1 times [2021-11-07 13:14:39,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:14:39,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498429359] [2021-11-07 13:14:39,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:14:39,581 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:14:39,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:14:39,583 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:14:39,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 13:14:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:14:40,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 13:14:40,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:14:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:14:40,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:14:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:14:40,369 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:14:40,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498429359] [2021-11-07 13:14:40,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498429359] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:14:40,370 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:14:40,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 13:14:40,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18618914] [2021-11-07 13:14:40,370 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:14:40,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 13:14:40,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:14:40,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 13:14:40,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:14:40,371 INFO L87 Difference]: Start difference. First operand 9028 states and 11564 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-07 13:14:41,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:14:41,217 INFO L93 Difference]: Finished difference Result 41612 states and 53192 transitions. [2021-11-07 13:14:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 13:14:41,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 65 [2021-11-07 13:14:41,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:14:41,315 INFO L225 Difference]: With dead ends: 41612 [2021-11-07 13:14:41,315 INFO L226 Difference]: Without dead ends: 32605 [2021-11-07 13:14:41,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.86ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 13:14:41,337 INFO L933 BasicCegarLoop]: 3531 mSDtfsCounter, 6516 mSDsluCounter, 7038 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 109.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6516 SdHoareTripleChecker+Valid, 10569 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.44ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.58ms IncrementalHoareTripleChecker+Time [2021-11-07 13:14:41,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6516 Valid, 10569 Invalid, 27 Unknown, 0 Unchecked, 15.44ms Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 128.58ms Time] [2021-11-07 13:14:41,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32605 states. [2021-11-07 13:14:41,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32605 to 9052. [2021-11-07 13:14:41,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9052 states, 9051 states have (on average 1.2803005192796375) internal successors, (11588), 9051 states have internal predecessors, (11588), 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) [2021-11-07 13:14:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9052 states to 9052 states and 11588 transitions. [2021-11-07 13:14:41,940 INFO L78 Accepts]: Start accepts. Automaton has 9052 states and 11588 transitions. Word has length 65 [2021-11-07 13:14:41,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:14:41,941 INFO L470 AbstractCegarLoop]: Abstraction has 9052 states and 11588 transitions. [2021-11-07 13:14:41,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-07 13:14:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 9052 states and 11588 transitions. [2021-11-07 13:14:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-07 13:14:41,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:14:41,949 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-07 13:14:41,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 13:14:42,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:14:42,166 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:14:42,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:14:42,166 INFO L85 PathProgramCache]: Analyzing trace with hash 71053587, now seen corresponding path program 1 times [2021-11-07 13:14:42,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:14:42,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866831826] [2021-11-07 13:14:42,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:14:42,167 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:14:42,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:14:42,168 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:14:42,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 13:14:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:14:42,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 13:14:42,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:14:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:14:42,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:14:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:14:42,910 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:14:42,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866831826] [2021-11-07 13:14:42,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866831826] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:14:42,910 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:14:42,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 13:14:42,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061065292] [2021-11-07 13:14:42,911 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:14:42,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 13:14:42,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:14:42,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 13:14:42,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:14:42,912 INFO L87 Difference]: Start difference. First operand 9052 states and 11588 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-07 13:14:43,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:14:43,432 INFO L93 Difference]: Finished difference Result 22518 states and 28827 transitions. [2021-11-07 13:14:43,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 13:14:43,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 66 [2021-11-07 13:14:43,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:14:43,474 INFO L225 Difference]: With dead ends: 22518 [2021-11-07 13:14:43,474 INFO L226 Difference]: Without dead ends: 17969 [2021-11-07 13:14:43,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.41ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 13:14:43,589 INFO L933 BasicCegarLoop]: 3750 mSDtfsCounter, 1860 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.11ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.89ms IncrementalHoareTripleChecker+Time [2021-11-07 13:14:43,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1860 Valid, 5632 Invalid, 16 Unknown, 0 Unchecked, 6.11ms Time], IncrementalHoareTripleChecker [7 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 45.89ms Time] [2021-11-07 13:14:43,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17969 states. [2021-11-07 13:14:43,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17969 to 9070. [2021-11-07 13:14:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9070 states, 9069 states have (on average 1.279744183482192) internal successors, (11606), 9069 states have internal predecessors, (11606), 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) [2021-11-07 13:14:43,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9070 states to 9070 states and 11606 transitions. [2021-11-07 13:14:43,953 INFO L78 Accepts]: Start accepts. Automaton has 9070 states and 11606 transitions. Word has length 66 [2021-11-07 13:14:43,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:14:43,954 INFO L470 AbstractCegarLoop]: Abstraction has 9070 states and 11606 transitions. [2021-11-07 13:14:43,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-07 13:14:43,954 INFO L276 IsEmpty]: Start isEmpty. Operand 9070 states and 11606 transitions. [2021-11-07 13:14:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-07 13:14:43,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:14:43,962 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1, 1] [2021-11-07 13:14:43,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 13:14:44,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:14:44,181 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:14:44,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:14:44,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1328041198, now seen corresponding path program 1 times [2021-11-07 13:14:44,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:14:44,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710174422] [2021-11-07 13:14:44,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:14:44,183 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:14:44,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:14:44,184 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:14:44,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 13:14:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:14:44,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 13:14:44,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:14:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:14:44,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:14:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:14:45,082 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:14:45,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710174422] [2021-11-07 13:14:45,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710174422] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:14:45,082 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:14:45,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 13:14:45,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896822642] [2021-11-07 13:14:45,083 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:14:45,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 13:14:45,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:14:45,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 13:14:45,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 13:14:45,084 INFO L87 Difference]: Start difference. First operand 9070 states and 11606 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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) [2021-11-07 13:14:47,136 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 13:14:48,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:14:48,277 INFO L93 Difference]: Finished difference Result 26991 states and 34514 transitions. [2021-11-07 13:14:48,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 13:14:48,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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 [2021-11-07 13:14:48,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:14:48,318 INFO L225 Difference]: With dead ends: 26991 [2021-11-07 13:14:48,319 INFO L226 Difference]: Without dead ends: 17942 [2021-11-07 13:14:48,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 28.14ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 13:14:48,342 INFO L933 BasicCegarLoop]: 3702 mSDtfsCounter, 9119 mSDsluCounter, 3956 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2396.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9119 SdHoareTripleChecker+Valid, 7658 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.75ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2476.59ms IncrementalHoareTripleChecker+Time [2021-11-07 13:14:48,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9119 Valid, 7658 Invalid, 147 Unknown, 0 Unchecked, 13.75ms Time], IncrementalHoareTripleChecker [14 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 2476.59ms Time] [2021-11-07 13:14:48,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17942 states. [2021-11-07 13:14:48,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17942 to 9043. [2021-11-07 13:14:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9043 states, 9042 states have (on average 1.2775934527759345) internal successors, (11552), 9042 states have internal predecessors, (11552), 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) [2021-11-07 13:14:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9043 states to 9043 states and 11552 transitions. [2021-11-07 13:14:48,900 INFO L78 Accepts]: Start accepts. Automaton has 9043 states and 11552 transitions. Word has length 68 [2021-11-07 13:14:48,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:14:48,900 INFO L470 AbstractCegarLoop]: Abstraction has 9043 states and 11552 transitions. [2021-11-07 13:14:48,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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) [2021-11-07 13:14:48,900 INFO L276 IsEmpty]: Start isEmpty. Operand 9043 states and 11552 transitions. [2021-11-07 13:14:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 13:14:48,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:14:48,909 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:14:48,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 13:14:49,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:14:49,137 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:14:49,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:14:49,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1937732058, now seen corresponding path program 1 times [2021-11-07 13:14:49,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:14:49,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006843125] [2021-11-07 13:14:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:14:49,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:14:49,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:14:49,139 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:14:49,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 13:14:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:14:49,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 13:14:49,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:14:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:14:49,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:14:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:14:49,992 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:14:49,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006843125] [2021-11-07 13:14:49,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006843125] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:14:49,992 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:14:49,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 13:14:49,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453196582] [2021-11-07 13:14:49,993 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:14:49,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 13:14:49,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:14:49,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 13:14:49,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:14:49,994 INFO L87 Difference]: Start difference. First operand 9043 states and 11552 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2021-11-07 13:14:51,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:14:51,585 INFO L93 Difference]: Finished difference Result 43663 states and 55808 transitions. [2021-11-07 13:14:51,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 13:14:51,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 82 [2021-11-07 13:14:51,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:14:51,634 INFO L225 Difference]: With dead ends: 43663 [2021-11-07 13:14:51,634 INFO L226 Difference]: Without dead ends: 34641 [2021-11-07 13:14:51,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.57ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 13:14:51,656 INFO L933 BasicCegarLoop]: 3643 mSDtfsCounter, 5404 mSDsluCounter, 5535 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 171.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5404 SdHoareTripleChecker+Valid, 9178 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.49ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 198.17ms IncrementalHoareTripleChecker+Time [2021-11-07 13:14:51,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5404 Valid, 9178 Invalid, 85 Unknown, 0 Unchecked, 12.49ms Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 198.17ms Time] [2021-11-07 13:14:51,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34641 states. [2021-11-07 13:14:52,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34641 to 9091. [2021-11-07 13:14:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9091 states, 9090 states have (on average 1.2761276127612762) internal successors, (11600), 9090 states have internal predecessors, (11600), 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) [2021-11-07 13:14:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 11600 transitions. [2021-11-07 13:14:52,398 INFO L78 Accepts]: Start accepts. Automaton has 9091 states and 11600 transitions. Word has length 82 [2021-11-07 13:14:52,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:14:52,398 INFO L470 AbstractCegarLoop]: Abstraction has 9091 states and 11600 transitions. [2021-11-07 13:14:52,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2021-11-07 13:14:52,398 INFO L276 IsEmpty]: Start isEmpty. Operand 9091 states and 11600 transitions. [2021-11-07 13:14:52,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-07 13:14:52,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:14:52,406 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:14:52,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-07 13:14:52,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:14:52,620 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:14:52,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:14:52,620 INFO L85 PathProgramCache]: Analyzing trace with hash -921139755, now seen corresponding path program 1 times [2021-11-07 13:14:52,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:14:52,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581314219] [2021-11-07 13:14:52,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:14:52,621 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:14:52,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:14:52,622 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:14:52,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 13:14:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:14:53,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 13:14:53,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:14:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:14:53,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:14:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:14:53,916 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:14:53,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581314219] [2021-11-07 13:14:53,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581314219] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:14:53,916 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:14:53,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 10 [2021-11-07 13:14:53,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288631027] [2021-11-07 13:14:53,917 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:14:53,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 13:14:53,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:14:53,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 13:14:53,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-07 13:14:53,918 INFO L87 Difference]: Start difference. First operand 9091 states and 11600 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 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) [2021-11-07 13:15:09,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:15:09,816 INFO L93 Difference]: Finished difference Result 111004 states and 141833 transitions. [2021-11-07 13:15:09,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 13:15:09,818 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 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 89 [2021-11-07 13:15:09,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:15:09,991 INFO L225 Difference]: With dead ends: 111004 [2021-11-07 13:15:09,991 INFO L226 Difference]: Without dead ends: 101934 [2021-11-07 13:15:10,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 3747.65ms TimeCoverageRelationStatistics Valid=485, Invalid=1585, Unknown=0, NotChecked=0, Total=2070 [2021-11-07 13:15:10,024 INFO L933 BasicCegarLoop]: 7162 mSDtfsCounter, 24952 mSDsluCounter, 59677 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4876.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24952 SdHoareTripleChecker+Valid, 66839 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 82.81ms SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5439.06ms IncrementalHoareTripleChecker+Time [2021-11-07 13:15:10,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24952 Valid, 66839 Invalid, 1000 Unknown, 0 Unchecked, 82.81ms Time], IncrementalHoareTripleChecker [42 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 5439.06ms Time] [2021-11-07 13:15:10,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101934 states. [2021-11-07 13:15:11,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101934 to 9127. [2021-11-07 13:15:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9127 states, 9126 states have (on average 1.272408503177734) internal successors, (11612), 9126 states have internal predecessors, (11612), 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) [2021-11-07 13:15:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9127 states to 9127 states and 11612 transitions. [2021-11-07 13:15:11,642 INFO L78 Accepts]: Start accepts. Automaton has 9127 states and 11612 transitions. Word has length 89 [2021-11-07 13:15:11,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:15:11,643 INFO L470 AbstractCegarLoop]: Abstraction has 9127 states and 11612 transitions. [2021-11-07 13:15:11,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 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) [2021-11-07 13:15:11,643 INFO L276 IsEmpty]: Start isEmpty. Operand 9127 states and 11612 transitions. [2021-11-07 13:15:11,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-07 13:15:11,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:15:11,651 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:15:11,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 13:15:11,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:15:11,867 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:15:11,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:15:11,868 INFO L85 PathProgramCache]: Analyzing trace with hash 440654901, now seen corresponding path program 1 times [2021-11-07 13:15:11,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:15:11,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380473202] [2021-11-07 13:15:11,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:15:11,869 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:15:11,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:15:11,870 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:15:11,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 13:15:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:15:12,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 13:15:12,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:15:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:15:12,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:15:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:15:12,745 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:15:12,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380473202] [2021-11-07 13:15:12,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380473202] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:15:12,746 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:15:12,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 13:15:12,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083031021] [2021-11-07 13:15:12,746 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:15:12,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 13:15:12,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:15:12,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 13:15:12,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:15:12,748 INFO L87 Difference]: Start difference. First operand 9127 states and 11612 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2021-11-07 13:15:13,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:15:13,955 INFO L93 Difference]: Finished difference Result 18257 states and 23249 transitions. [2021-11-07 13:15:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 13:15:13,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 91 [2021-11-07 13:15:13,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:15:13,967 INFO L225 Difference]: With dead ends: 18257 [2021-11-07 13:15:13,967 INFO L226 Difference]: Without dead ends: 9151 [2021-11-07 13:15:13,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.00ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 13:15:13,980 INFO L933 BasicCegarLoop]: 1907 mSDtfsCounter, 0 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5713 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.30ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.90ms IncrementalHoareTripleChecker+Time [2021-11-07 13:15:13,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5713 Invalid, 15 Unknown, 0 Unchecked, 4.30ms Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 61.90ms Time] [2021-11-07 13:15:13,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9151 states. [2021-11-07 13:15:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9151 to 9151. [2021-11-07 13:15:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9151 states, 9150 states have (on average 1.2716939890710381) internal successors, (11636), 9150 states have internal predecessors, (11636), 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) [2021-11-07 13:15:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9151 states to 9151 states and 11636 transitions. [2021-11-07 13:15:14,867 INFO L78 Accepts]: Start accepts. Automaton has 9151 states and 11636 transitions. Word has length 91 [2021-11-07 13:15:14,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:15:14,867 INFO L470 AbstractCegarLoop]: Abstraction has 9151 states and 11636 transitions. [2021-11-07 13:15:14,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2021-11-07 13:15:14,868 INFO L276 IsEmpty]: Start isEmpty. Operand 9151 states and 11636 transitions. [2021-11-07 13:15:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-07 13:15:14,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:15:14,875 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:15:14,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 13:15:15,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:15:15,090 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:15:15,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:15:15,091 INFO L85 PathProgramCache]: Analyzing trace with hash -709071051, now seen corresponding path program 1 times [2021-11-07 13:15:15,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:15:15,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280284384] [2021-11-07 13:15:15,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:15:15,092 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:15:15,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:15:15,093 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:15:15,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 13:15:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:15:15,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 13:15:15,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:15:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:15:15,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:15:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:15:16,154 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:15:16,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280284384] [2021-11-07 13:15:16,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280284384] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 13:15:16,154 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 13:15:16,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-07 13:15:16,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518271565] [2021-11-07 13:15:16,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-07 13:15:16,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 13:15:16,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:15:16,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 13:15:16,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 13:15:16,156 INFO L87 Difference]: Start difference. First operand 9151 states and 11636 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 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) [2021-11-07 13:15:17,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:15:17,390 INFO L93 Difference]: Finished difference Result 18329 states and 23345 transitions. [2021-11-07 13:15:17,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 13:15:17,392 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 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 93 [2021-11-07 13:15:17,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:15:17,402 INFO L225 Difference]: With dead ends: 18329 [2021-11-07 13:15:17,402 INFO L226 Difference]: Without dead ends: 9199 [2021-11-07 13:15:17,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 373.57ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-07 13:15:17,408 INFO L933 BasicCegarLoop]: 1907 mSDtfsCounter, 0 mSDsluCounter, 9515 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 214.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11422 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.82ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 235.52ms IncrementalHoareTripleChecker+Time [2021-11-07 13:15:17,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 11422 Invalid, 59 Unknown, 0 Unchecked, 5.82ms Time], IncrementalHoareTripleChecker [19 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 235.52ms Time] [2021-11-07 13:15:17,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9199 states. [2021-11-07 13:15:18,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9199 to 9199. [2021-11-07 13:15:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9199 states, 9198 states have (on average 1.2702761469884758) internal successors, (11684), 9198 states have internal predecessors, (11684), 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) [2021-11-07 13:15:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9199 states to 9199 states and 11684 transitions. [2021-11-07 13:15:18,127 INFO L78 Accepts]: Start accepts. Automaton has 9199 states and 11684 transitions. Word has length 93 [2021-11-07 13:15:18,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:15:18,127 INFO L470 AbstractCegarLoop]: Abstraction has 9199 states and 11684 transitions. [2021-11-07 13:15:18,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 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) [2021-11-07 13:15:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 9199 states and 11684 transitions. [2021-11-07 13:15:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-07 13:15:18,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:15:18,133 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:15:18,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-07 13:15:18,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:15:18,333 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:15:18,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:15:18,334 INFO L85 PathProgramCache]: Analyzing trace with hash -330083019, now seen corresponding path program 2 times [2021-11-07 13:15:18,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:15:18,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189344220] [2021-11-07 13:15:18,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 13:15:18,335 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:15:18,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:15:18,336 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:15:18,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 13:15:26,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 13:15:26,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 13:15:27,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 13:15:27,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:15:27,495 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:15:27,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:15:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:15:28,377 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:15:28,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189344220] [2021-11-07 13:15:28,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189344220] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 13:15:28,377 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 13:15:28,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-07 13:15:28,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476905481] [2021-11-07 13:15:28,377 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-07 13:15:28,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 13:15:28,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:15:28,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 13:15:28,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-11-07 13:15:28,378 INFO L87 Difference]: Start difference. First operand 9199 states and 11684 transitions. Second operand has 16 states, 16 states have (on average 6.5) internal successors, (104), 16 states have internal predecessors, (104), 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) [2021-11-07 13:15:33,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:15:33,459 INFO L93 Difference]: Finished difference Result 18473 states and 23537 transitions. [2021-11-07 13:15:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 13:15:33,460 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.5) internal successors, (104), 16 states have internal predecessors, (104), 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 97 [2021-11-07 13:15:33,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:15:33,470 INFO L225 Difference]: With dead ends: 18473 [2021-11-07 13:15:33,470 INFO L226 Difference]: Without dead ends: 9295 [2021-11-07 13:15:33,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2161.44ms TimeCoverageRelationStatistics Valid=174, Invalid=288, Unknown=0, NotChecked=0, Total=462 [2021-11-07 13:15:33,478 INFO L933 BasicCegarLoop]: 1907 mSDtfsCounter, 0 mSDsluCounter, 13321 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2754.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15228 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.11ms SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2842.63ms IncrementalHoareTripleChecker+Time [2021-11-07 13:15:33,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 15228 Invalid, 230 Unknown, 0 Unchecked, 8.11ms Time], IncrementalHoareTripleChecker [90 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 2842.63ms Time] [2021-11-07 13:15:33,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9295 states. [2021-11-07 13:15:34,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9295 to 9295. [2021-11-07 13:15:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9295 states, 9294 states have (on average 1.2674843985366904) internal successors, (11780), 9294 states have internal predecessors, (11780), 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) [2021-11-07 13:15:34,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9295 states to 9295 states and 11780 transitions. [2021-11-07 13:15:34,591 INFO L78 Accepts]: Start accepts. Automaton has 9295 states and 11780 transitions. Word has length 97 [2021-11-07 13:15:34,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:15:34,591 INFO L470 AbstractCegarLoop]: Abstraction has 9295 states and 11780 transitions. [2021-11-07 13:15:34,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.5) internal successors, (104), 16 states have internal predecessors, (104), 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) [2021-11-07 13:15:34,592 INFO L276 IsEmpty]: Start isEmpty. Operand 9295 states and 11780 transitions. [2021-11-07 13:15:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 13:15:34,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:15:34,599 INFO L514 BasicCegarLoop]: trace histogram [14, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:15:34,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-11-07 13:15:34,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:15:34,801 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:15:34,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:15:34,801 INFO L85 PathProgramCache]: Analyzing trace with hash 223879477, now seen corresponding path program 3 times [2021-11-07 13:15:34,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:15:34,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695634790] [2021-11-07 13:15:34,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 13:15:34,803 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:15:34,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:15:34,804 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:15:34,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 13:15:41,392 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 13:15:41,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 13:15:41,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 13:15:41,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:15:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-07 13:15:41,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:15:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-07 13:15:42,646 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:15:42,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695634790] [2021-11-07 13:15:42,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695634790] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 13:15:42,646 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 13:15:42,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 10 [2021-11-07 13:15:42,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107729202] [2021-11-07 13:15:42,647 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-07 13:15:42,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 13:15:42,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:15:42,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 13:15:42,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-07 13:15:42,648 INFO L87 Difference]: Start difference. First operand 9295 states and 11780 transitions. Second operand has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 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) [2021-11-07 13:15:44,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 13:15:46,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 13:15:53,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:15:53,902 INFO L93 Difference]: Finished difference Result 65042 states and 82621 transitions. [2021-11-07 13:15:53,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 13:15:53,903 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 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 105 [2021-11-07 13:15:53,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:15:54,000 INFO L225 Difference]: With dead ends: 65042 [2021-11-07 13:15:54,000 INFO L226 Difference]: Without dead ends: 60342 [2021-11-07 13:15:54,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 297.33ms TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-07 13:15:54,026 INFO L933 BasicCegarLoop]: 3957 mSDtfsCounter, 26008 mSDsluCounter, 29985 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 160 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5553.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26008 SdHoareTripleChecker+Valid, 33942 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.63ms SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5814.44ms IncrementalHoareTripleChecker+Time [2021-11-07 13:15:54,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26008 Valid, 33942 Invalid, 811 Unknown, 0 Unchecked, 45.63ms Time], IncrementalHoareTripleChecker [160 Valid, 649 Invalid, 2 Unknown, 0 Unchecked, 5814.44ms Time] [2021-11-07 13:15:54,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60342 states. [2021-11-07 13:15:56,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60342 to 27886. [2021-11-07 13:15:56,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27886 states, 27885 states have (on average 1.2695355926125156) internal successors, (35401), 27885 states have internal predecessors, (35401), 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) [2021-11-07 13:15:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27886 states to 27886 states and 35401 transitions. [2021-11-07 13:15:56,856 INFO L78 Accepts]: Start accepts. Automaton has 27886 states and 35401 transitions. Word has length 105 [2021-11-07 13:15:56,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:15:56,856 INFO L470 AbstractCegarLoop]: Abstraction has 27886 states and 35401 transitions. [2021-11-07 13:15:56,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 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) [2021-11-07 13:15:56,856 INFO L276 IsEmpty]: Start isEmpty. Operand 27886 states and 35401 transitions. [2021-11-07 13:15:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-07 13:15:56,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:15:56,864 INFO L514 BasicCegarLoop]: trace histogram [14, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:15:56,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 13:15:57,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:15:57,065 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:15:57,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:15:57,066 INFO L85 PathProgramCache]: Analyzing trace with hash -2055164330, now seen corresponding path program 1 times [2021-11-07 13:15:57,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:15:57,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416480923] [2021-11-07 13:15:57,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:15:57,067 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:15:57,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:15:57,068 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:15:57,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 13:15:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:15:57,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 13:15:57,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:15:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:15:58,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:16:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:16:00,306 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:16:00,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [416480923] [2021-11-07 13:16:00,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [416480923] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 13:16:00,306 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 13:16:00,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-11-07 13:16:00,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631923498] [2021-11-07 13:16:00,306 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-07 13:16:00,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-07 13:16:00,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:16:00,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-07 13:16:00,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=797, Unknown=0, NotChecked=0, Total=992 [2021-11-07 13:16:00,308 INFO L87 Difference]: Start difference. First operand 27886 states and 35401 transitions. Second operand has 32 states, 32 states have (on average 3.8125) internal successors, (122), 32 states have internal predecessors, (122), 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) [2021-11-07 13:16:04,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:16:04,463 INFO L93 Difference]: Finished difference Result 55823 states and 70923 transitions. [2021-11-07 13:16:04,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 13:16:04,465 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.8125) internal successors, (122), 32 states have internal predecessors, (122), 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 107 [2021-11-07 13:16:04,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:16:04,508 INFO L225 Difference]: With dead ends: 55823 [2021-11-07 13:16:04,508 INFO L226 Difference]: Without dead ends: 27958 [2021-11-07 13:16:04,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 2146.77ms TimeCoverageRelationStatistics Valid=195, Invalid=797, Unknown=0, NotChecked=0, Total=992 [2021-11-07 13:16:04,548 INFO L933 BasicCegarLoop]: 1907 mSDtfsCounter, 0 mSDsluCounter, 36157 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1435.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38064 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.30ms SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1663.03ms IncrementalHoareTripleChecker+Time [2021-11-07 13:16:04,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 38064 Invalid, 652 Unknown, 0 Unchecked, 17.30ms Time], IncrementalHoareTripleChecker [96 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 1663.03ms Time] [2021-11-07 13:16:04,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27958 states. [2021-11-07 13:16:07,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27958 to 27958. [2021-11-07 13:16:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27958 states, 27957 states have (on average 1.2688414350609865) internal successors, (35473), 27957 states have internal predecessors, (35473), 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) [2021-11-07 13:16:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27958 states to 27958 states and 35473 transitions. [2021-11-07 13:16:07,202 INFO L78 Accepts]: Start accepts. Automaton has 27958 states and 35473 transitions. Word has length 107 [2021-11-07 13:16:07,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:16:07,202 INFO L470 AbstractCegarLoop]: Abstraction has 27958 states and 35473 transitions. [2021-11-07 13:16:07,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.8125) internal successors, (122), 32 states have internal predecessors, (122), 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) [2021-11-07 13:16:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 27958 states and 35473 transitions. [2021-11-07 13:16:07,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-07 13:16:07,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:16:07,210 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:16:07,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 13:16:07,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:16:07,410 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:16:07,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:16:07,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1160069006, now seen corresponding path program 1 times [2021-11-07 13:16:07,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:16:07,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293930549] [2021-11-07 13:16:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:16:07,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:16:07,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:16:07,419 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:16:07,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 13:16:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 13:16:08,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 13:16:08,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:16:08,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-07 13:16:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:16:08,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:16:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 13:16:08,741 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:16:08,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293930549] [2021-11-07 13:16:08,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1293930549] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:16:08,741 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:16:08,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-07 13:16:08,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876307263] [2021-11-07 13:16:08,742 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:16:08,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 13:16:08,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:16:08,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 13:16:08,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 13:16:08,743 INFO L87 Difference]: Start difference. First operand 27958 states and 35473 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 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) [2021-11-07 13:16:10,817 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 13:16:14,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 13:16:17,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 13:16:22,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 13:16:29,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:16:29,473 INFO L93 Difference]: Finished difference Result 69585 states and 88993 transitions. [2021-11-07 13:16:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 13:16:29,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 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 109 [2021-11-07 13:16:29,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:16:29,536 INFO L225 Difference]: With dead ends: 69585 [2021-11-07 13:16:29,536 INFO L226 Difference]: Without dead ends: 41648 [2021-11-07 13:16:29,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 99.61ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-07 13:16:29,579 INFO L933 BasicCegarLoop]: 2206 mSDtfsCounter, 1729 mSDsluCounter, 4401 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15692.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 6607 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.97ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16881.85ms IncrementalHoareTripleChecker+Time [2021-11-07 13:16:29,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1729 Valid, 6607 Invalid, 1097 Unknown, 0 Unchecked, 14.97ms Time], IncrementalHoareTripleChecker [4 Valid, 1089 Invalid, 4 Unknown, 0 Unchecked, 16881.85ms Time] [2021-11-07 13:16:29,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41648 states. [2021-11-07 13:16:32,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41648 to 34978. [2021-11-07 13:16:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34978 states, 34977 states have (on average 1.2990536638362353) internal successors, (45437), 34977 states have internal predecessors, (45437), 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) [2021-11-07 13:16:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34978 states to 34978 states and 45437 transitions. [2021-11-07 13:16:32,906 INFO L78 Accepts]: Start accepts. Automaton has 34978 states and 45437 transitions. Word has length 109 [2021-11-07 13:16:32,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:16:32,906 INFO L470 AbstractCegarLoop]: Abstraction has 34978 states and 45437 transitions. [2021-11-07 13:16:32,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 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) [2021-11-07 13:16:32,907 INFO L276 IsEmpty]: Start isEmpty. Operand 34978 states and 45437 transitions. [2021-11-07 13:16:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-07 13:16:32,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:16:32,919 INFO L514 BasicCegarLoop]: trace histogram [16, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:16:32,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 13:16:33,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:16:33,119 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:16:33,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:16:33,120 INFO L85 PathProgramCache]: Analyzing trace with hash -613203626, now seen corresponding path program 2 times [2021-11-07 13:16:33,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:16:33,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106435730] [2021-11-07 13:16:33,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 13:16:33,121 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:16:33,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:16:33,122 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:16:33,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 13:16:43,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 13:16:43,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 13:16:43,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 13:16:43,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 13:16:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-11-07 13:16:43,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 13:16:44,003 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-11-07 13:16:44,003 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 13:16:44,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106435730] [2021-11-07 13:16:44,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106435730] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 13:16:44,004 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 13:16:44,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 13:16:44,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892014100] [2021-11-07 13:16:44,004 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-07 13:16:44,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 13:16:44,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 13:16:44,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 13:16:44,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 13:16:44,005 INFO L87 Difference]: Start difference. First operand 34978 states and 45437 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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) [2021-11-07 13:17:01,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 13:17:01,999 INFO L93 Difference]: Finished difference Result 213609 states and 277477 transitions. [2021-11-07 13:17:02,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 13:17:02,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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 109 [2021-11-07 13:17:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 13:17:02,360 INFO L225 Difference]: With dead ends: 213609 [2021-11-07 13:17:02,360 INFO L226 Difference]: Without dead ends: 184384 [2021-11-07 13:17:02,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 64.00ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-07 13:17:02,444 INFO L933 BasicCegarLoop]: 5574 mSDtfsCounter, 9307 mSDsluCounter, 18546 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 348.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9307 SdHoareTripleChecker+Valid, 24120 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.97ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 397.79ms IncrementalHoareTripleChecker+Time [2021-11-07 13:17:02,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9307 Valid, 24120 Invalid, 166 Unknown, 0 Unchecked, 23.97ms Time], IncrementalHoareTripleChecker [28 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 397.79ms Time] [2021-11-07 13:17:02,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184384 states. [2021-11-07 13:17:07,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184384 to 35563. [2021-11-07 13:17:07,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35563 states, 35562 states have (on average 1.3017265620606264) internal successors, (46292), 35562 states have internal predecessors, (46292), 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) [2021-11-07 13:17:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35563 states to 35563 states and 46292 transitions. [2021-11-07 13:17:07,704 INFO L78 Accepts]: Start accepts. Automaton has 35563 states and 46292 transitions. Word has length 109 [2021-11-07 13:17:07,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 13:17:07,704 INFO L470 AbstractCegarLoop]: Abstraction has 35563 states and 46292 transitions. [2021-11-07 13:17:07,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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) [2021-11-07 13:17:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 35563 states and 46292 transitions. [2021-11-07 13:17:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 13:17:07,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 13:17:07,714 INFO L514 BasicCegarLoop]: trace histogram [16, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 13:17:07,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-07 13:17:07,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-07 13:17:07,914 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 13:17:07,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 13:17:07,915 INFO L85 PathProgramCache]: Analyzing trace with hash 301423325, now seen corresponding path program 1 times [2021-11-07 13:17:07,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 13:17:07,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960773644] [2021-11-07 13:17:07,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 13:17:07,916 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 13:17:07,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-07 13:17:07,917 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 13:17:07,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process