./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0 --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 079e0853edf82767eb868f3965b8963752db80acaa33dba660b3f9bc983f76af --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:22:49,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:22:49,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:22:49,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:22:49,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:22:49,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:22:49,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:22:49,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:22:49,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:22:49,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:22:49,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:22:49,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:22:49,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:22:49,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:22:49,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:22:49,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:22:49,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:22:49,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:22:49,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:22:49,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:22:49,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:22:49,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:22:49,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:22:49,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:22:49,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:22:49,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:22:49,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:22:49,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:22:49,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:22:49,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:22:49,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:22:49,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:22:49,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:22:49,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:22:49,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:22:49,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:22:49,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:22:49,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:22:49,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:22:49,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:22:49,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:22:49,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 14:22:49,603 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:22:49,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:22:49,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:22:49,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:22:49,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:22:49,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:22:49,606 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:22:49,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:22:49,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:22:49,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:22:49,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:22:49,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:22:49,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:22:49,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:22:49,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:22:49,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:22:49,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:22:49,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:22:49,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:22:49,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:22:49,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:22:49,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:22:49,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:22:49,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:22:49,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:22:49,611 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:22:49,611 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:22:49,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:22:49,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:22:49,612 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079e0853edf82767eb868f3965b8963752db80acaa33dba660b3f9bc983f76af [2021-11-22 14:22:49,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:22:49,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:22:49,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:22:49,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:22:49,892 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:22:49,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i [2021-11-22 14:22:49,956 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/data/b9fa30ff8/d1d661a81b8241fc9a022f08817019f2/FLAG9a10c47b0 [2021-11-22 14:22:51,101 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:22:51,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i [2021-11-22 14:22:51,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/data/b9fa30ff8/d1d661a81b8241fc9a022f08817019f2/FLAG9a10c47b0 [2021-11-22 14:22:51,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/data/b9fa30ff8/d1d661a81b8241fc9a022f08817019f2 [2021-11-22 14:22:51,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:22:51,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:22:51,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:22:51,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:22:51,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:22:51,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:51" (1/1) ... [2021-11-22 14:22:51,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9a38e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:51, skipping insertion in model container [2021-11-22 14:22:51,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:51" (1/1) ... [2021-11-22 14:22:51,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:22:51,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:22:52,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i[216422,216435] [2021-11-22 14:22:55,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:22:55,898 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:22:56,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i[216422,216435] [2021-11-22 14:22:56,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:22:56,841 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:22:56,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56 WrapperNode [2021-11-22 14:22:56,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:22:56,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:22:56,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:22:56,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:22:56,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (1/1) ... [2021-11-22 14:22:57,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (1/1) ... [2021-11-22 14:23:06,925 INFO L137 Inliner]: procedures = 346, calls = 6656, calls flagged for inlining = 1666, calls inlined = 32799, statements flattened = 575737 [2021-11-22 14:23:06,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:23:06,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:23:06,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:23:06,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:23:06,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (1/1) ... [2021-11-22 14:23:06,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (1/1) ... [2021-11-22 14:23:10,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (1/1) ... [2021-11-22 14:23:10,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (1/1) ... [2021-11-22 14:23:15,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (1/1) ... [2021-11-22 14:23:17,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (1/1) ... [2021-11-22 14:23:18,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (1/1) ... [2021-11-22 14:23:20,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:23:20,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:23:20,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:23:20,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:23:20,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (1/1) ... [2021-11-22 14:23:20,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:23:20,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:23:20,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:23:20,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7da0f82b-fa1d-44ec-a5d4-cb32b482e015/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:23:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 14:23:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 14:23:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-22 14:23:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-22 14:23:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:23:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-22 14:23:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-22 14:23:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 14:23:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-22 14:23:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_interrupt_mask [2021-11-22 14:23:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_interrupt_mask [2021-11-22 14:23:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-22 14:23:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-22 14:23:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:23:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_enable_interrupt [2021-11-22 14:23:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_enable_interrupt [2021-11-22 14:23:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 14:23:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_hw_reg [2021-11-22 14:23:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_hw_reg [2021-11-22 14:23:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 14:23:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 14:23:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:23:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:23:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 14:23:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:23:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 14:23:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 14:23:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_disable_interrupt [2021-11-22 14:23:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_disable_interrupt [2021-11-22 14:23:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 14:23:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 14:23:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_card_disable [2021-11-22 14:23:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_card_disable [2021-11-22 14:23:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:23:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-11-22 14:23:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:23:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:23:23,576 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:23:23,578 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:28:16,805 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:28:17,144 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:28:17,144 INFO L301 CfgBuilder]: Removed 224 assume(true) statements. [2021-11-22 14:28:17,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:28:17 BoogieIcfgContainer [2021-11-22 14:28:17,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:28:17,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:28:17,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:28:17,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:28:17,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:22:51" (1/3) ... [2021-11-22 14:28:17,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc18d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:28:17, skipping insertion in model container [2021-11-22 14:28:17,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:56" (2/3) ... [2021-11-22 14:28:17,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc18d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:28:17, skipping insertion in model container [2021-11-22 14:28:17,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:28:17" (3/3) ... [2021-11-22 14:28:17,223 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i [2021-11-22 14:28:17,229 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:28:17,229 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-22 14:28:17,549 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:28:17,556 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 [2021-11-22 14:28:17,556 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-22 14:28:19,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 126916 states, 125455 states have (on average 1.532015463712088) internal successors, (192199), 125519 states have internal predecessors, (192199), 1446 states have call successors, (1446), 9 states have call predecessors, (1446), 9 states have return successors, (1446), 1406 states have call predecessors, (1446), 1446 states have call successors, (1446) [2021-11-22 14:28:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 14:28:19,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:19,350 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:19,351 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 14:28:19,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:19,364 INFO L85 PathProgramCache]: Analyzing trace with hash -859032890, now seen corresponding path program 1 times [2021-11-22 14:28:19,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:19,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715039145] [2021-11-22 14:28:19,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:19,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:20,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:20,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715039145] [2021-11-22 14:28:20,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715039145] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:20,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:20,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:28:20,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751994038] [2021-11-22 14:28:20,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:20,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:20,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:20,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:20,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:20,640 INFO L87 Difference]: Start difference. First operand has 126916 states, 125455 states have (on average 1.532015463712088) internal successors, (192199), 125519 states have internal predecessors, (192199), 1446 states have call successors, (1446), 9 states have call predecessors, (1446), 9 states have return successors, (1446), 1406 states have call predecessors, (1446), 1446 states have call successors, (1446) Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-11-22 14:28:23,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:23,653 INFO L93 Difference]: Finished difference Result 92159 states and 140993 transitions. [2021-11-22 14:28:23,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:23,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 [2021-11-22 14:28:23,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:23,904 INFO L225 Difference]: With dead ends: 92159 [2021-11-22 14:28:23,905 INFO L226 Difference]: Without dead ends: 30124 [2021-11-22 14:28:24,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:24,064 INFO L933 BasicCegarLoop]: 47043 mSDtfsCounter, 46772 mSDsluCounter, 46981 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46772 SdHoareTripleChecker+Valid, 94024 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:24,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46772 Valid, 94024 Invalid, 15 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:28:24,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30124 states. [2021-11-22 14:28:25,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30124 to 30124. [2021-11-22 14:28:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30124 states, 30009 states have (on average 1.4930187610383552) internal successors, (44804), 30019 states have internal predecessors, (44804), 100 states have call successors, (100), 10 states have call predecessors, (100), 10 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2021-11-22 14:28:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30124 states to 30124 states and 45004 transitions. [2021-11-22 14:28:25,431 INFO L78 Accepts]: Start accepts. Automaton has 30124 states and 45004 transitions. Word has length 82 [2021-11-22 14:28:25,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:25,433 INFO L470 AbstractCegarLoop]: Abstraction has 30124 states and 45004 transitions. [2021-11-22 14:28:25,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-11-22 14:28:25,435 INFO L276 IsEmpty]: Start isEmpty. Operand 30124 states and 45004 transitions. [2021-11-22 14:28:25,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 14:28:25,446 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:25,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:25,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:28:25,447 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 14:28:25,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:25,450 INFO L85 PathProgramCache]: Analyzing trace with hash -654126404, now seen corresponding path program 1 times [2021-11-22 14:28:25,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:25,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868945985] [2021-11-22 14:28:25,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:25,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:26,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:26,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868945985] [2021-11-22 14:28:26,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868945985] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:26,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:26,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:28:26,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275910457] [2021-11-22 14:28:26,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:26,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:26,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:26,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:26,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:26,272 INFO L87 Difference]: Start difference. First operand 30124 states and 45004 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 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) [2021-11-22 14:28:27,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:27,006 INFO L93 Difference]: Finished difference Result 30124 states and 45004 transitions. [2021-11-22 14:28:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:27,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 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 85 [2021-11-22 14:28:27,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:27,127 INFO L225 Difference]: With dead ends: 30124 [2021-11-22 14:28:27,128 INFO L226 Difference]: Without dead ends: 30122 [2021-11-22 14:28:27,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:27,144 INFO L933 BasicCegarLoop]: 22607 mSDtfsCounter, 22525 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22525 SdHoareTripleChecker+Valid, 22607 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:27,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22525 Valid, 22607 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:28:27,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30122 states. [2021-11-22 14:28:28,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30122 to 30122. [2021-11-22 14:28:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30122 states, 30008 states have (on average 1.4930018661690216) internal successors, (44802), 30017 states have internal predecessors, (44802), 100 states have call successors, (100), 10 states have call predecessors, (100), 10 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2021-11-22 14:28:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30122 states to 30122 states and 45002 transitions. [2021-11-22 14:28:28,556 INFO L78 Accepts]: Start accepts. Automaton has 30122 states and 45002 transitions. Word has length 85 [2021-11-22 14:28:28,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:28,558 INFO L470 AbstractCegarLoop]: Abstraction has 30122 states and 45002 transitions. [2021-11-22 14:28:28,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 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) [2021-11-22 14:28:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 30122 states and 45002 transitions. [2021-11-22 14:28:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 14:28:28,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:28,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:28,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:28:28,562 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 14:28:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:28,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1197381678, now seen corresponding path program 1 times [2021-11-22 14:28:28,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:28,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645352679] [2021-11-22 14:28:28,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:28,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:29,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:29,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:29,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645352679] [2021-11-22 14:28:29,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645352679] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:29,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:29,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:28:29,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136794939] [2021-11-22 14:28:29,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:29,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:29,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:29,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:29,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:29,224 INFO L87 Difference]: Start difference. First operand 30122 states and 45002 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 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) [2021-11-22 14:28:30,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:30,202 INFO L93 Difference]: Finished difference Result 30122 states and 45002 transitions. [2021-11-22 14:28:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:30,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 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 86 [2021-11-22 14:28:30,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:30,309 INFO L225 Difference]: With dead ends: 30122 [2021-11-22 14:28:30,309 INFO L226 Difference]: Without dead ends: 30120 [2021-11-22 14:28:30,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:30,326 INFO L933 BasicCegarLoop]: 22605 mSDtfsCounter, 22522 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22522 SdHoareTripleChecker+Valid, 22605 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:30,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22522 Valid, 22605 Invalid, 1 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:28:30,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30120 states. [2021-11-22 14:28:31,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30120 to 30120. [2021-11-22 14:28:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30120 states, 30007 states have (on average 1.4929849701736262) internal successors, (44800), 30015 states have internal predecessors, (44800), 100 states have call successors, (100), 10 states have call predecessors, (100), 10 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2021-11-22 14:28:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30120 states to 30120 states and 45000 transitions. [2021-11-22 14:28:31,262 INFO L78 Accepts]: Start accepts. Automaton has 30120 states and 45000 transitions. Word has length 86 [2021-11-22 14:28:31,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:31,262 INFO L470 AbstractCegarLoop]: Abstraction has 30120 states and 45000 transitions. [2021-11-22 14:28:31,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 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) [2021-11-22 14:28:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 30120 states and 45000 transitions. [2021-11-22 14:28:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 14:28:31,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:31,266 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:31,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 14:28:31,268 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 14:28:31,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:31,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1535409913, now seen corresponding path program 1 times [2021-11-22 14:28:31,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:31,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116658847] [2021-11-22 14:28:31,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:31,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:31,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:31,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116658847] [2021-11-22 14:28:31,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116658847] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:31,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:31,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:28:31,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831124433] [2021-11-22 14:28:31,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:31,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:31,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:31,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:31,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:31,999 INFO L87 Difference]: Start difference. First operand 30120 states and 45000 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 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) [2021-11-22 14:28:32,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:32,694 INFO L93 Difference]: Finished difference Result 30120 states and 45000 transitions. [2021-11-22 14:28:32,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:32,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 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 87 [2021-11-22 14:28:32,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:32,803 INFO L225 Difference]: With dead ends: 30120 [2021-11-22 14:28:32,804 INFO L226 Difference]: Without dead ends: 30118 [2021-11-22 14:28:32,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:32,821 INFO L933 BasicCegarLoop]: 22603 mSDtfsCounter, 22519 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22519 SdHoareTripleChecker+Valid, 22603 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:32,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22519 Valid, 22603 Invalid, 1 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:28:32,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30118 states. [2021-11-22 14:28:33,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30118 to 30118. [2021-11-22 14:28:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30118 states, 30006 states have (on average 1.4929680730520563) internal successors, (44798), 30013 states have internal predecessors, (44798), 100 states have call successors, (100), 10 states have call predecessors, (100), 10 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2021-11-22 14:28:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30118 states to 30118 states and 44998 transitions. [2021-11-22 14:28:33,958 INFO L78 Accepts]: Start accepts. Automaton has 30118 states and 44998 transitions. Word has length 87 [2021-11-22 14:28:33,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:33,959 INFO L470 AbstractCegarLoop]: Abstraction has 30118 states and 44998 transitions. [2021-11-22 14:28:33,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 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) [2021-11-22 14:28:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 30118 states and 44998 transitions. [2021-11-22 14:28:33,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 14:28:33,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:33,967 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:33,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 14:28:33,968 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 14:28:33,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:33,968 INFO L85 PathProgramCache]: Analyzing trace with hash -352603303, now seen corresponding path program 1 times [2021-11-22 14:28:33,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:33,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483971961] [2021-11-22 14:28:33,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:33,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:34,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:34,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:34,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483971961] [2021-11-22 14:28:34,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483971961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:34,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:34,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:28:34,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898452853] [2021-11-22 14:28:34,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:34,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:34,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:34,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:34,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:34,495 INFO L87 Difference]: Start difference. First operand 30118 states and 44998 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 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) [2021-11-22 14:28:35,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:35,324 INFO L93 Difference]: Finished difference Result 30118 states and 44998 transitions. [2021-11-22 14:28:35,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:35,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 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 [2021-11-22 14:28:35,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:35,423 INFO L225 Difference]: With dead ends: 30118 [2021-11-22 14:28:35,423 INFO L226 Difference]: Without dead ends: 30116 [2021-11-22 14:28:35,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:35,437 INFO L933 BasicCegarLoop]: 22601 mSDtfsCounter, 22516 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22516 SdHoareTripleChecker+Valid, 22601 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:35,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22516 Valid, 22601 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:28:35,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30116 states. [2021-11-22 14:28:36,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30116 to 30116. [2021-11-22 14:28:36,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30116 states, 30005 states have (on average 1.4929511748041993) internal successors, (44796), 30011 states have internal predecessors, (44796), 100 states have call successors, (100), 10 states have call predecessors, (100), 10 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2021-11-22 14:28:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30116 states to 30116 states and 44996 transitions. [2021-11-22 14:28:36,668 INFO L78 Accepts]: Start accepts. Automaton has 30116 states and 44996 transitions. Word has length 88 [2021-11-22 14:28:36,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:36,668 INFO L470 AbstractCegarLoop]: Abstraction has 30116 states and 44996 transitions. [2021-11-22 14:28:36,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 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) [2021-11-22 14:28:36,669 INFO L276 IsEmpty]: Start isEmpty. Operand 30116 states and 44996 transitions. [2021-11-22 14:28:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 14:28:36,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:36,671 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:36,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 14:28:36,671 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-22 14:28:36,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:36,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1954663250, now seen corresponding path program 1 times [2021-11-22 14:28:36,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:36,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045758673] [2021-11-22 14:28:36,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:36,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:37,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:37,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045758673] [2021-11-22 14:28:37,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045758673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:37,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:37,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:28:37,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301367702] [2021-11-22 14:28:37,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:37,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:37,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:37,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:37,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:37,142 INFO L87 Difference]: Start difference. First operand 30116 states and 44996 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 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) [2021-11-22 14:28:37,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:37,863 INFO L93 Difference]: Finished difference Result 30116 states and 44996 transitions. [2021-11-22 14:28:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:37,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 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 89 [2021-11-22 14:28:37,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:37,864 INFO L225 Difference]: With dead ends: 30116 [2021-11-22 14:28:37,864 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 14:28:37,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:37,911 INFO L933 BasicCegarLoop]: 22600 mSDtfsCounter, 22513 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22513 SdHoareTripleChecker+Valid, 22600 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:37,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22513 Valid, 22600 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:28:37,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 14:28:37,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 14:28:37,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 14:28:37,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2021-11-22 14:28:37,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:37,913 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:28:37,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 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) [2021-11-22 14:28:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 14:28:37,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 14:28:37,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-22 14:28:37,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-11-22 14:28:37,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2021-11-22 14:28:37,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2021-11-22 14:28:37,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-11-22 14:28:37,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 14:28:37,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.